2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 /* The caprices of the preprocessor require that this be declared right here */
27 #define CREATE_TRACE_POINTS
29 #include "dm_services_types.h"
31 #include "dc_link_dp.h"
32 #include "link_enc_cfg.h"
33 #include "dc/inc/core_types.h"
34 #include "dal_asic_id.h"
35 #include "dmub/dmub_srv.h"
36 #include "dc/inc/hw/dmcu.h"
37 #include "dc/inc/hw/abm.h"
38 #include "dc/dc_dmub_srv.h"
39 #include "dc/dc_edid_parser.h"
40 #include "dc/dc_stat.h"
41 #include "amdgpu_dm_trace.h"
45 #include "amdgpu_display.h"
46 #include "amdgpu_ucode.h"
48 #include "amdgpu_dm.h"
49 #include "amdgpu_dm_plane.h"
50 #include "amdgpu_dm_crtc.h"
51 #ifdef CONFIG_DRM_AMD_DC_HDCP
52 #include "amdgpu_dm_hdcp.h"
53 #include <drm/display/drm_hdcp_helper.h>
55 #include "amdgpu_pm.h"
56 #include "amdgpu_atombios.h"
58 #include "amd_shared.h"
59 #include "amdgpu_dm_irq.h"
60 #include "dm_helpers.h"
61 #include "amdgpu_dm_mst_types.h"
62 #if defined(CONFIG_DEBUG_FS)
63 #include "amdgpu_dm_debugfs.h"
65 #include "amdgpu_dm_psr.h"
67 #include "ivsrcid/ivsrcid_vislands30.h"
69 #include "i2caux_interface.h"
70 #include <linux/module.h>
71 #include <linux/moduleparam.h>
72 #include <linux/types.h>
73 #include <linux/pm_runtime.h>
74 #include <linux/pci.h>
75 #include <linux/firmware.h>
76 #include <linux/component.h>
77 #include <linux/dmi.h>
79 #include <drm/display/drm_dp_mst_helper.h>
80 #include <drm/display/drm_hdmi_helper.h>
81 #include <drm/drm_atomic.h>
82 #include <drm/drm_atomic_uapi.h>
83 #include <drm/drm_atomic_helper.h>
84 #include <drm/drm_blend.h>
85 #include <drm/drm_fourcc.h>
86 #include <drm/drm_edid.h>
87 #include <drm/drm_vblank.h>
88 #include <drm/drm_audio_component.h>
89 #include <drm/drm_gem_atomic_helper.h>
90 #include <drm/drm_plane_helper.h>
92 #include <acpi/video.h>
94 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
96 #include "dcn/dcn_1_0_offset.h"
97 #include "dcn/dcn_1_0_sh_mask.h"
98 #include "soc15_hw_ip.h"
99 #include "soc15_common.h"
100 #include "vega10_ip_offset.h"
102 #include "gc/gc_11_0_0_offset.h"
103 #include "gc/gc_11_0_0_sh_mask.h"
105 #include "modules/inc/mod_freesync.h"
106 #include "modules/power/power_helpers.h"
107 #include "modules/inc/mod_info_packet.h"
109 #define FIRMWARE_RENOIR_DMUB "amdgpu/renoir_dmcub.bin"
110 MODULE_FIRMWARE(FIRMWARE_RENOIR_DMUB);
111 #define FIRMWARE_SIENNA_CICHLID_DMUB "amdgpu/sienna_cichlid_dmcub.bin"
112 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID_DMUB);
113 #define FIRMWARE_NAVY_FLOUNDER_DMUB "amdgpu/navy_flounder_dmcub.bin"
114 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER_DMUB);
115 #define FIRMWARE_GREEN_SARDINE_DMUB "amdgpu/green_sardine_dmcub.bin"
116 MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE_DMUB);
117 #define FIRMWARE_VANGOGH_DMUB "amdgpu/vangogh_dmcub.bin"
118 MODULE_FIRMWARE(FIRMWARE_VANGOGH_DMUB);
119 #define FIRMWARE_DIMGREY_CAVEFISH_DMUB "amdgpu/dimgrey_cavefish_dmcub.bin"
120 MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH_DMUB);
121 #define FIRMWARE_BEIGE_GOBY_DMUB "amdgpu/beige_goby_dmcub.bin"
122 MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY_DMUB);
123 #define FIRMWARE_YELLOW_CARP_DMUB "amdgpu/yellow_carp_dmcub.bin"
124 MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP_DMUB);
125 #define FIRMWARE_DCN_314_DMUB "amdgpu/dcn_3_1_4_dmcub.bin"
126 MODULE_FIRMWARE(FIRMWARE_DCN_314_DMUB);
127 #define FIRMWARE_DCN_315_DMUB "amdgpu/dcn_3_1_5_dmcub.bin"
128 MODULE_FIRMWARE(FIRMWARE_DCN_315_DMUB);
129 #define FIRMWARE_DCN316_DMUB "amdgpu/dcn_3_1_6_dmcub.bin"
130 MODULE_FIRMWARE(FIRMWARE_DCN316_DMUB);
132 #define FIRMWARE_DCN_V3_2_0_DMCUB "amdgpu/dcn_3_2_0_dmcub.bin"
133 MODULE_FIRMWARE(FIRMWARE_DCN_V3_2_0_DMCUB);
134 #define FIRMWARE_DCN_V3_2_1_DMCUB "amdgpu/dcn_3_2_1_dmcub.bin"
135 MODULE_FIRMWARE(FIRMWARE_DCN_V3_2_1_DMCUB);
137 #define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
138 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
140 #define FIRMWARE_NAVI12_DMCU "amdgpu/navi12_dmcu.bin"
141 MODULE_FIRMWARE(FIRMWARE_NAVI12_DMCU);
143 /* Number of bytes in PSP header for firmware. */
144 #define PSP_HEADER_BYTES 0x100
146 /* Number of bytes in PSP footer for firmware. */
147 #define PSP_FOOTER_BYTES 0x100
152 * The AMDgpu display manager, **amdgpu_dm** (or even simpler,
153 * **dm**) sits between DRM and DC. It acts as a liaison, converting DRM
154 * requests into DC requests, and DC responses into DRM responses.
156 * The root control structure is &struct amdgpu_display_manager.
159 /* basic init/fini API */
160 static int amdgpu_dm_init(struct amdgpu_device *adev);
161 static void amdgpu_dm_fini(struct amdgpu_device *adev);
162 static bool is_freesync_video_mode(const struct drm_display_mode *mode, struct amdgpu_dm_connector *aconnector);
164 static enum drm_mode_subconnector get_subconnector_type(struct dc_link *link)
166 switch (link->dpcd_caps.dongle_type) {
167 case DISPLAY_DONGLE_NONE:
168 return DRM_MODE_SUBCONNECTOR_Native;
169 case DISPLAY_DONGLE_DP_VGA_CONVERTER:
170 return DRM_MODE_SUBCONNECTOR_VGA;
171 case DISPLAY_DONGLE_DP_DVI_CONVERTER:
172 case DISPLAY_DONGLE_DP_DVI_DONGLE:
173 return DRM_MODE_SUBCONNECTOR_DVID;
174 case DISPLAY_DONGLE_DP_HDMI_CONVERTER:
175 case DISPLAY_DONGLE_DP_HDMI_DONGLE:
176 return DRM_MODE_SUBCONNECTOR_HDMIA;
177 case DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE:
179 return DRM_MODE_SUBCONNECTOR_Unknown;
183 static void update_subconnector_property(struct amdgpu_dm_connector *aconnector)
185 struct dc_link *link = aconnector->dc_link;
186 struct drm_connector *connector = &aconnector->base;
187 enum drm_mode_subconnector subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
189 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
192 if (aconnector->dc_sink)
193 subconnector = get_subconnector_type(link);
195 drm_object_property_set_value(&connector->base,
196 connector->dev->mode_config.dp_subconnector_property,
201 * initializes drm_device display related structures, based on the information
202 * provided by DAL. The drm strcutures are: drm_crtc, drm_connector,
203 * drm_encoder, drm_mode_config
205 * Returns 0 on success
207 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev);
208 /* removes and deallocates the drm structures, created by the above function */
209 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm);
211 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
212 struct amdgpu_dm_connector *amdgpu_dm_connector,
214 struct amdgpu_encoder *amdgpu_encoder);
215 static int amdgpu_dm_encoder_init(struct drm_device *dev,
216 struct amdgpu_encoder *aencoder,
217 uint32_t link_index);
219 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector);
221 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state);
223 static int amdgpu_dm_atomic_check(struct drm_device *dev,
224 struct drm_atomic_state *state);
226 static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector);
227 static void handle_hpd_rx_irq(void *param);
230 is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state,
231 struct drm_crtc_state *new_crtc_state);
233 * dm_vblank_get_counter
236 * Get counter for number of vertical blanks
239 * struct amdgpu_device *adev - [in] desired amdgpu device
240 * int disp_idx - [in] which CRTC to get the counter from
243 * Counter for vertical blanks
245 static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc)
247 if (crtc >= adev->mode_info.num_crtc)
250 struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
252 if (acrtc->dm_irq_params.stream == NULL) {
253 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
258 return dc_stream_get_vblank_counter(acrtc->dm_irq_params.stream);
262 static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
263 u32 *vbl, u32 *position)
265 uint32_t v_blank_start, v_blank_end, h_position, v_position;
267 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
270 struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
272 if (acrtc->dm_irq_params.stream == NULL) {
273 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
279 * TODO rework base driver to use values directly.
280 * for now parse it back into reg-format
282 dc_stream_get_scanoutpos(acrtc->dm_irq_params.stream,
288 *position = v_position | (h_position << 16);
289 *vbl = v_blank_start | (v_blank_end << 16);
295 static bool dm_is_idle(void *handle)
301 static int dm_wait_for_idle(void *handle)
307 static bool dm_check_soft_reset(void *handle)
312 static int dm_soft_reset(void *handle)
318 static struct amdgpu_crtc *
319 get_crtc_by_otg_inst(struct amdgpu_device *adev,
322 struct drm_device *dev = adev_to_drm(adev);
323 struct drm_crtc *crtc;
324 struct amdgpu_crtc *amdgpu_crtc;
326 if (WARN_ON(otg_inst == -1))
327 return adev->mode_info.crtcs[0];
329 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
330 amdgpu_crtc = to_amdgpu_crtc(crtc);
332 if (amdgpu_crtc->otg_inst == otg_inst)
339 static inline bool is_dc_timing_adjust_needed(struct dm_crtc_state *old_state,
340 struct dm_crtc_state *new_state)
342 if (new_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED)
344 else if (amdgpu_dm_vrr_active(old_state) != amdgpu_dm_vrr_active(new_state))
351 * dm_pflip_high_irq() - Handle pageflip interrupt
352 * @interrupt_params: ignored
354 * Handles the pageflip interrupt by notifying all interested parties
355 * that the pageflip has been completed.
357 static void dm_pflip_high_irq(void *interrupt_params)
359 struct amdgpu_crtc *amdgpu_crtc;
360 struct common_irq_params *irq_params = interrupt_params;
361 struct amdgpu_device *adev = irq_params->adev;
363 struct drm_pending_vblank_event *e;
364 uint32_t vpos, hpos, v_blank_start, v_blank_end;
367 amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP);
369 /* IRQ could occur when in initial stage */
370 /* TODO work and BO cleanup */
371 if (amdgpu_crtc == NULL) {
372 DC_LOG_PFLIP("CRTC is null, returning.\n");
376 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
378 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
379 DC_LOG_PFLIP("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n",
380 amdgpu_crtc->pflip_status,
381 AMDGPU_FLIP_SUBMITTED,
382 amdgpu_crtc->crtc_id,
384 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
388 /* page flip completed. */
389 e = amdgpu_crtc->event;
390 amdgpu_crtc->event = NULL;
394 vrr_active = amdgpu_dm_vrr_active_irq(amdgpu_crtc);
396 /* Fixed refresh rate, or VRR scanout position outside front-porch? */
398 !dc_stream_get_scanoutpos(amdgpu_crtc->dm_irq_params.stream, &v_blank_start,
399 &v_blank_end, &hpos, &vpos) ||
400 (vpos < v_blank_start)) {
401 /* Update to correct count and vblank timestamp if racing with
402 * vblank irq. This also updates to the correct vblank timestamp
403 * even in VRR mode, as scanout is past the front-porch atm.
405 drm_crtc_accurate_vblank_count(&amdgpu_crtc->base);
407 /* Wake up userspace by sending the pageflip event with proper
408 * count and timestamp of vblank of flip completion.
411 drm_crtc_send_vblank_event(&amdgpu_crtc->base, e);
413 /* Event sent, so done with vblank for this flip */
414 drm_crtc_vblank_put(&amdgpu_crtc->base);
417 /* VRR active and inside front-porch: vblank count and
418 * timestamp for pageflip event will only be up to date after
419 * drm_crtc_handle_vblank() has been executed from late vblank
420 * irq handler after start of back-porch (vline 0). We queue the
421 * pageflip event for send-out by drm_crtc_handle_vblank() with
422 * updated timestamp and count, once it runs after us.
424 * We need to open-code this instead of using the helper
425 * drm_crtc_arm_vblank_event(), as that helper would
426 * call drm_crtc_accurate_vblank_count(), which we must
427 * not call in VRR mode while we are in front-porch!
430 /* sequence will be replaced by real count during send-out. */
431 e->sequence = drm_crtc_vblank_count(&amdgpu_crtc->base);
432 e->pipe = amdgpu_crtc->crtc_id;
434 list_add_tail(&e->base.link, &adev_to_drm(adev)->vblank_event_list);
438 /* Keep track of vblank of this flip for flip throttling. We use the
439 * cooked hw counter, as that one incremented at start of this vblank
440 * of pageflip completion, so last_flip_vblank is the forbidden count
441 * for queueing new pageflips if vsync + VRR is enabled.
443 amdgpu_crtc->dm_irq_params.last_flip_vblank =
444 amdgpu_get_vblank_counter_kms(&amdgpu_crtc->base);
446 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
447 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
449 DC_LOG_PFLIP("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_NONE, vrr[%d]-fp %d\n",
450 amdgpu_crtc->crtc_id, amdgpu_crtc,
451 vrr_active, (int) !e);
454 static void dm_vupdate_high_irq(void *interrupt_params)
456 struct common_irq_params *irq_params = interrupt_params;
457 struct amdgpu_device *adev = irq_params->adev;
458 struct amdgpu_crtc *acrtc;
459 struct drm_device *drm_dev;
460 struct drm_vblank_crtc *vblank;
461 ktime_t frame_duration_ns, previous_timestamp;
465 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VUPDATE);
468 vrr_active = amdgpu_dm_vrr_active_irq(acrtc);
469 drm_dev = acrtc->base.dev;
470 vblank = &drm_dev->vblank[acrtc->base.index];
471 previous_timestamp = atomic64_read(&irq_params->previous_timestamp);
472 frame_duration_ns = vblank->time - previous_timestamp;
474 if (frame_duration_ns > 0) {
475 trace_amdgpu_refresh_rate_track(acrtc->base.index,
477 ktime_divns(NSEC_PER_SEC, frame_duration_ns));
478 atomic64_set(&irq_params->previous_timestamp, vblank->time);
481 DC_LOG_VBLANK("crtc:%d, vupdate-vrr:%d\n",
485 /* Core vblank handling is done here after end of front-porch in
486 * vrr mode, as vblank timestamping will give valid results
487 * while now done after front-porch. This will also deliver
488 * page-flip completion events that have been queued to us
489 * if a pageflip happened inside front-porch.
492 dm_crtc_handle_vblank(acrtc);
494 /* BTR processing for pre-DCE12 ASICs */
495 if (acrtc->dm_irq_params.stream &&
496 adev->family < AMDGPU_FAMILY_AI) {
497 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
498 mod_freesync_handle_v_update(
499 adev->dm.freesync_module,
500 acrtc->dm_irq_params.stream,
501 &acrtc->dm_irq_params.vrr_params);
503 dc_stream_adjust_vmin_vmax(
505 acrtc->dm_irq_params.stream,
506 &acrtc->dm_irq_params.vrr_params.adjust);
507 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
514 * dm_crtc_high_irq() - Handles CRTC interrupt
515 * @interrupt_params: used for determining the CRTC instance
517 * Handles the CRTC/VSYNC interrupt by notfying DRM's VBLANK
520 static void dm_crtc_high_irq(void *interrupt_params)
522 struct common_irq_params *irq_params = interrupt_params;
523 struct amdgpu_device *adev = irq_params->adev;
524 struct amdgpu_crtc *acrtc;
528 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK);
532 vrr_active = amdgpu_dm_vrr_active_irq(acrtc);
534 DC_LOG_VBLANK("crtc:%d, vupdate-vrr:%d, planes:%d\n", acrtc->crtc_id,
535 vrr_active, acrtc->dm_irq_params.active_planes);
538 * Core vblank handling at start of front-porch is only possible
539 * in non-vrr mode, as only there vblank timestamping will give
540 * valid results while done in front-porch. Otherwise defer it
541 * to dm_vupdate_high_irq after end of front-porch.
544 dm_crtc_handle_vblank(acrtc);
547 * Following stuff must happen at start of vblank, for crc
548 * computation and below-the-range btr support in vrr mode.
550 amdgpu_dm_crtc_handle_crc_irq(&acrtc->base);
552 /* BTR updates need to happen before VUPDATE on Vega and above. */
553 if (adev->family < AMDGPU_FAMILY_AI)
556 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
558 if (acrtc->dm_irq_params.stream &&
559 acrtc->dm_irq_params.vrr_params.supported &&
560 acrtc->dm_irq_params.freesync_config.state ==
561 VRR_STATE_ACTIVE_VARIABLE) {
562 mod_freesync_handle_v_update(adev->dm.freesync_module,
563 acrtc->dm_irq_params.stream,
564 &acrtc->dm_irq_params.vrr_params);
566 dc_stream_adjust_vmin_vmax(adev->dm.dc, acrtc->dm_irq_params.stream,
567 &acrtc->dm_irq_params.vrr_params.adjust);
571 * If there aren't any active_planes then DCH HUBP may be clock-gated.
572 * In that case, pageflip completion interrupts won't fire and pageflip
573 * completion events won't get delivered. Prevent this by sending
574 * pending pageflip events from here if a flip is still pending.
576 * If any planes are enabled, use dm_pflip_high_irq() instead, to
577 * avoid race conditions between flip programming and completion,
578 * which could cause too early flip completion events.
580 if (adev->family >= AMDGPU_FAMILY_RV &&
581 acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED &&
582 acrtc->dm_irq_params.active_planes == 0) {
584 drm_crtc_send_vblank_event(&acrtc->base, acrtc->event);
586 drm_crtc_vblank_put(&acrtc->base);
588 acrtc->pflip_status = AMDGPU_FLIP_NONE;
591 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
594 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
596 * dm_dcn_vertical_interrupt0_high_irq() - Handles OTG Vertical interrupt0 for
597 * DCN generation ASICs
598 * @interrupt_params: interrupt parameters
600 * Used to set crc window/read out crc value at vertical line 0 position
602 static void dm_dcn_vertical_interrupt0_high_irq(void *interrupt_params)
604 struct common_irq_params *irq_params = interrupt_params;
605 struct amdgpu_device *adev = irq_params->adev;
606 struct amdgpu_crtc *acrtc;
608 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VLINE0);
613 amdgpu_dm_crtc_handle_crc_window_irq(&acrtc->base);
615 #endif /* CONFIG_DRM_AMD_SECURE_DISPLAY */
618 * dmub_aux_setconfig_callback - Callback for AUX or SET_CONFIG command.
619 * @adev: amdgpu_device pointer
620 * @notify: dmub notification structure
622 * Dmub AUX or SET_CONFIG command completion processing callback
623 * Copies dmub notification to DM which is to be read by AUX command.
624 * issuing thread and also signals the event to wake up the thread.
626 static void dmub_aux_setconfig_callback(struct amdgpu_device *adev,
627 struct dmub_notification *notify)
629 if (adev->dm.dmub_notify)
630 memcpy(adev->dm.dmub_notify, notify, sizeof(struct dmub_notification));
631 if (notify->type == DMUB_NOTIFICATION_AUX_REPLY)
632 complete(&adev->dm.dmub_aux_transfer_done);
636 * dmub_hpd_callback - DMUB HPD interrupt processing callback.
637 * @adev: amdgpu_device pointer
638 * @notify: dmub notification structure
640 * Dmub Hpd interrupt processing callback. Gets displayindex through the
641 * ink index and calls helper to do the processing.
643 static void dmub_hpd_callback(struct amdgpu_device *adev,
644 struct dmub_notification *notify)
646 struct amdgpu_dm_connector *aconnector;
647 struct amdgpu_dm_connector *hpd_aconnector = NULL;
648 struct drm_connector *connector;
649 struct drm_connector_list_iter iter;
650 struct dc_link *link;
651 uint8_t link_index = 0;
652 struct drm_device *dev;
657 if (notify == NULL) {
658 DRM_ERROR("DMUB HPD callback notification was NULL");
662 if (notify->link_index > adev->dm.dc->link_count) {
663 DRM_ERROR("DMUB HPD index (%u)is abnormal", notify->link_index);
667 link_index = notify->link_index;
668 link = adev->dm.dc->links[link_index];
671 drm_connector_list_iter_begin(dev, &iter);
672 drm_for_each_connector_iter(connector, &iter) {
673 aconnector = to_amdgpu_dm_connector(connector);
674 if (link && aconnector->dc_link == link) {
675 DRM_INFO("DMUB HPD callback: link_index=%u\n", link_index);
676 hpd_aconnector = aconnector;
680 drm_connector_list_iter_end(&iter);
682 if (hpd_aconnector) {
683 if (notify->type == DMUB_NOTIFICATION_HPD)
684 handle_hpd_irq_helper(hpd_aconnector);
685 else if (notify->type == DMUB_NOTIFICATION_HPD_IRQ)
686 handle_hpd_rx_irq(hpd_aconnector);
691 * register_dmub_notify_callback - Sets callback for DMUB notify
692 * @adev: amdgpu_device pointer
693 * @type: Type of dmub notification
694 * @callback: Dmub interrupt callback function
695 * @dmub_int_thread_offload: offload indicator
697 * API to register a dmub callback handler for a dmub notification
698 * Also sets indicator whether callback processing to be offloaded.
699 * to dmub interrupt handling thread
700 * Return: true if successfully registered, false if there is existing registration
702 static bool register_dmub_notify_callback(struct amdgpu_device *adev,
703 enum dmub_notification_type type,
704 dmub_notify_interrupt_callback_t callback,
705 bool dmub_int_thread_offload)
707 if (callback != NULL && type < ARRAY_SIZE(adev->dm.dmub_thread_offload)) {
708 adev->dm.dmub_callback[type] = callback;
709 adev->dm.dmub_thread_offload[type] = dmub_int_thread_offload;
716 static void dm_handle_hpd_work(struct work_struct *work)
718 struct dmub_hpd_work *dmub_hpd_wrk;
720 dmub_hpd_wrk = container_of(work, struct dmub_hpd_work, handle_hpd_work);
722 if (!dmub_hpd_wrk->dmub_notify) {
723 DRM_ERROR("dmub_hpd_wrk dmub_notify is NULL");
727 if (dmub_hpd_wrk->dmub_notify->type < ARRAY_SIZE(dmub_hpd_wrk->adev->dm.dmub_callback)) {
728 dmub_hpd_wrk->adev->dm.dmub_callback[dmub_hpd_wrk->dmub_notify->type](dmub_hpd_wrk->adev,
729 dmub_hpd_wrk->dmub_notify);
732 kfree(dmub_hpd_wrk->dmub_notify);
737 #define DMUB_TRACE_MAX_READ 64
739 * dm_dmub_outbox1_low_irq() - Handles Outbox interrupt
740 * @interrupt_params: used for determining the Outbox instance
742 * Handles the Outbox Interrupt
745 static void dm_dmub_outbox1_low_irq(void *interrupt_params)
747 struct dmub_notification notify;
748 struct common_irq_params *irq_params = interrupt_params;
749 struct amdgpu_device *adev = irq_params->adev;
750 struct amdgpu_display_manager *dm = &adev->dm;
751 struct dmcub_trace_buf_entry entry = { 0 };
753 struct dmub_hpd_work *dmub_hpd_wrk;
754 struct dc_link *plink = NULL;
756 if (dc_enable_dmub_notifications(adev->dm.dc) &&
757 irq_params->irq_src == DC_IRQ_SOURCE_DMCUB_OUTBOX) {
760 dc_stat_get_dmub_notification(adev->dm.dc, ¬ify);
761 if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) {
762 DRM_ERROR("DM: notify type %d invalid!", notify.type);
765 if (!dm->dmub_callback[notify.type]) {
766 DRM_DEBUG_DRIVER("DMUB notification skipped, no handler: type=%d\n", notify.type);
769 if (dm->dmub_thread_offload[notify.type] == true) {
770 dmub_hpd_wrk = kzalloc(sizeof(*dmub_hpd_wrk), GFP_ATOMIC);
772 DRM_ERROR("Failed to allocate dmub_hpd_wrk");
775 dmub_hpd_wrk->dmub_notify = kzalloc(sizeof(struct dmub_notification), GFP_ATOMIC);
776 if (!dmub_hpd_wrk->dmub_notify) {
778 DRM_ERROR("Failed to allocate dmub_hpd_wrk->dmub_notify");
781 INIT_WORK(&dmub_hpd_wrk->handle_hpd_work, dm_handle_hpd_work);
782 if (dmub_hpd_wrk->dmub_notify)
783 memcpy(dmub_hpd_wrk->dmub_notify, ¬ify, sizeof(struct dmub_notification));
784 dmub_hpd_wrk->adev = adev;
785 if (notify.type == DMUB_NOTIFICATION_HPD) {
786 plink = adev->dm.dc->links[notify.link_index];
789 notify.hpd_status == DP_HPD_PLUG;
792 queue_work(adev->dm.delayed_hpd_wq, &dmub_hpd_wrk->handle_hpd_work);
794 dm->dmub_callback[notify.type](adev, ¬ify);
796 } while (notify.pending_notification);
801 if (dc_dmub_srv_get_dmub_outbox0_msg(dm->dc, &entry)) {
802 trace_amdgpu_dmub_trace_high_irq(entry.trace_code, entry.tick_count,
803 entry.param0, entry.param1);
805 DRM_DEBUG_DRIVER("trace_code:%u, tick_count:%u, param0:%u, param1:%u\n",
806 entry.trace_code, entry.tick_count, entry.param0, entry.param1);
812 } while (count <= DMUB_TRACE_MAX_READ);
814 if (count > DMUB_TRACE_MAX_READ)
815 DRM_DEBUG_DRIVER("Warning : count > DMUB_TRACE_MAX_READ");
818 static int dm_set_clockgating_state(void *handle,
819 enum amd_clockgating_state state)
824 static int dm_set_powergating_state(void *handle,
825 enum amd_powergating_state state)
830 /* Prototypes of private functions */
831 static int dm_early_init(void* handle);
833 /* Allocate memory for FBC compressed data */
834 static void amdgpu_dm_fbc_init(struct drm_connector *connector)
836 struct drm_device *dev = connector->dev;
837 struct amdgpu_device *adev = drm_to_adev(dev);
838 struct dm_compressor_info *compressor = &adev->dm.compressor;
839 struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector);
840 struct drm_display_mode *mode;
841 unsigned long max_size = 0;
843 if (adev->dm.dc->fbc_compressor == NULL)
846 if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP)
849 if (compressor->bo_ptr)
853 list_for_each_entry(mode, &connector->modes, head) {
854 if (max_size < mode->htotal * mode->vtotal)
855 max_size = mode->htotal * mode->vtotal;
859 int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE,
860 AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr,
861 &compressor->gpu_addr, &compressor->cpu_addr);
864 DRM_ERROR("DM: Failed to initialize FBC\n");
866 adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr;
867 DRM_INFO("DM: FBC alloc %lu\n", max_size*4);
874 static int amdgpu_dm_audio_component_get_eld(struct device *kdev, int port,
875 int pipe, bool *enabled,
876 unsigned char *buf, int max_bytes)
878 struct drm_device *dev = dev_get_drvdata(kdev);
879 struct amdgpu_device *adev = drm_to_adev(dev);
880 struct drm_connector *connector;
881 struct drm_connector_list_iter conn_iter;
882 struct amdgpu_dm_connector *aconnector;
887 mutex_lock(&adev->dm.audio_lock);
889 drm_connector_list_iter_begin(dev, &conn_iter);
890 drm_for_each_connector_iter(connector, &conn_iter) {
891 aconnector = to_amdgpu_dm_connector(connector);
892 if (aconnector->audio_inst != port)
896 ret = drm_eld_size(connector->eld);
897 memcpy(buf, connector->eld, min(max_bytes, ret));
901 drm_connector_list_iter_end(&conn_iter);
903 mutex_unlock(&adev->dm.audio_lock);
905 DRM_DEBUG_KMS("Get ELD : idx=%d ret=%d en=%d\n", port, ret, *enabled);
910 static const struct drm_audio_component_ops amdgpu_dm_audio_component_ops = {
911 .get_eld = amdgpu_dm_audio_component_get_eld,
914 static int amdgpu_dm_audio_component_bind(struct device *kdev,
915 struct device *hda_kdev, void *data)
917 struct drm_device *dev = dev_get_drvdata(kdev);
918 struct amdgpu_device *adev = drm_to_adev(dev);
919 struct drm_audio_component *acomp = data;
921 acomp->ops = &amdgpu_dm_audio_component_ops;
923 adev->dm.audio_component = acomp;
928 static void amdgpu_dm_audio_component_unbind(struct device *kdev,
929 struct device *hda_kdev, void *data)
931 struct drm_device *dev = dev_get_drvdata(kdev);
932 struct amdgpu_device *adev = drm_to_adev(dev);
933 struct drm_audio_component *acomp = data;
937 adev->dm.audio_component = NULL;
940 static const struct component_ops amdgpu_dm_audio_component_bind_ops = {
941 .bind = amdgpu_dm_audio_component_bind,
942 .unbind = amdgpu_dm_audio_component_unbind,
945 static int amdgpu_dm_audio_init(struct amdgpu_device *adev)
952 adev->mode_info.audio.enabled = true;
954 adev->mode_info.audio.num_pins = adev->dm.dc->res_pool->audio_count;
956 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
957 adev->mode_info.audio.pin[i].channels = -1;
958 adev->mode_info.audio.pin[i].rate = -1;
959 adev->mode_info.audio.pin[i].bits_per_sample = -1;
960 adev->mode_info.audio.pin[i].status_bits = 0;
961 adev->mode_info.audio.pin[i].category_code = 0;
962 adev->mode_info.audio.pin[i].connected = false;
963 adev->mode_info.audio.pin[i].id =
964 adev->dm.dc->res_pool->audios[i]->inst;
965 adev->mode_info.audio.pin[i].offset = 0;
968 ret = component_add(adev->dev, &amdgpu_dm_audio_component_bind_ops);
972 adev->dm.audio_registered = true;
977 static void amdgpu_dm_audio_fini(struct amdgpu_device *adev)
982 if (!adev->mode_info.audio.enabled)
985 if (adev->dm.audio_registered) {
986 component_del(adev->dev, &amdgpu_dm_audio_component_bind_ops);
987 adev->dm.audio_registered = false;
990 /* TODO: Disable audio? */
992 adev->mode_info.audio.enabled = false;
995 static void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin)
997 struct drm_audio_component *acomp = adev->dm.audio_component;
999 if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) {
1000 DRM_DEBUG_KMS("Notify ELD: %d\n", pin);
1002 acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
1007 static int dm_dmub_hw_init(struct amdgpu_device *adev)
1009 const struct dmcub_firmware_header_v1_0 *hdr;
1010 struct dmub_srv *dmub_srv = adev->dm.dmub_srv;
1011 struct dmub_srv_fb_info *fb_info = adev->dm.dmub_fb_info;
1012 const struct firmware *dmub_fw = adev->dm.dmub_fw;
1013 struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu;
1014 struct abm *abm = adev->dm.dc->res_pool->abm;
1015 struct dmub_srv_hw_params hw_params;
1016 enum dmub_status status;
1017 const unsigned char *fw_inst_const, *fw_bss_data;
1018 uint32_t i, fw_inst_const_size, fw_bss_data_size;
1019 bool has_hw_support;
1022 /* DMUB isn't supported on the ASIC. */
1026 DRM_ERROR("No framebuffer info for DMUB service.\n");
1031 /* Firmware required for DMUB support. */
1032 DRM_ERROR("No firmware provided for DMUB.\n");
1036 status = dmub_srv_has_hw_support(dmub_srv, &has_hw_support);
1037 if (status != DMUB_STATUS_OK) {
1038 DRM_ERROR("Error checking HW support for DMUB: %d\n", status);
1042 if (!has_hw_support) {
1043 DRM_INFO("DMUB unsupported on ASIC\n");
1047 /* Reset DMCUB if it was previously running - before we overwrite its memory. */
1048 status = dmub_srv_hw_reset(dmub_srv);
1049 if (status != DMUB_STATUS_OK)
1050 DRM_WARN("Error resetting DMUB HW: %d\n", status);
1052 hdr = (const struct dmcub_firmware_header_v1_0 *)dmub_fw->data;
1054 fw_inst_const = dmub_fw->data +
1055 le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
1058 fw_bss_data = dmub_fw->data +
1059 le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
1060 le32_to_cpu(hdr->inst_const_bytes);
1062 /* Copy firmware and bios info into FB memory. */
1063 fw_inst_const_size = le32_to_cpu(hdr->inst_const_bytes) -
1064 PSP_HEADER_BYTES - PSP_FOOTER_BYTES;
1066 fw_bss_data_size = le32_to_cpu(hdr->bss_data_bytes);
1068 /* if adev->firmware.load_type == AMDGPU_FW_LOAD_PSP,
1069 * amdgpu_ucode_init_single_fw will load dmub firmware
1070 * fw_inst_const part to cw0; otherwise, the firmware back door load
1071 * will be done by dm_dmub_hw_init
1073 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1074 memcpy(fb_info->fb[DMUB_WINDOW_0_INST_CONST].cpu_addr, fw_inst_const,
1075 fw_inst_const_size);
1078 if (fw_bss_data_size)
1079 memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr,
1080 fw_bss_data, fw_bss_data_size);
1082 /* Copy firmware bios info into FB memory. */
1083 memcpy(fb_info->fb[DMUB_WINDOW_3_VBIOS].cpu_addr, adev->bios,
1086 /* Reset regions that need to be reset. */
1087 memset(fb_info->fb[DMUB_WINDOW_4_MAILBOX].cpu_addr, 0,
1088 fb_info->fb[DMUB_WINDOW_4_MAILBOX].size);
1090 memset(fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].cpu_addr, 0,
1091 fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].size);
1093 memset(fb_info->fb[DMUB_WINDOW_6_FW_STATE].cpu_addr, 0,
1094 fb_info->fb[DMUB_WINDOW_6_FW_STATE].size);
1096 /* Initialize hardware. */
1097 memset(&hw_params, 0, sizeof(hw_params));
1098 hw_params.fb_base = adev->gmc.fb_start;
1099 hw_params.fb_offset = adev->vm_manager.vram_base_offset;
1101 /* backdoor load firmware and trigger dmub running */
1102 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
1103 hw_params.load_inst_const = true;
1106 hw_params.psp_version = dmcu->psp_version;
1108 for (i = 0; i < fb_info->num_fb; ++i)
1109 hw_params.fb[i] = &fb_info->fb[i];
1111 switch (adev->ip_versions[DCE_HWIP][0]) {
1112 case IP_VERSION(3, 1, 3):
1113 case IP_VERSION(3, 1, 4):
1114 hw_params.dpia_supported = true;
1115 hw_params.disable_dpia = adev->dm.dc->debug.dpia_debug.bits.disable_dpia;
1121 status = dmub_srv_hw_init(dmub_srv, &hw_params);
1122 if (status != DMUB_STATUS_OK) {
1123 DRM_ERROR("Error initializing DMUB HW: %d\n", status);
1127 /* Wait for firmware load to finish. */
1128 status = dmub_srv_wait_for_auto_load(dmub_srv, 100000);
1129 if (status != DMUB_STATUS_OK)
1130 DRM_WARN("Wait for DMUB auto-load failed: %d\n", status);
1132 /* Init DMCU and ABM if available. */
1134 dmcu->funcs->dmcu_init(dmcu);
1135 abm->dmcu_is_running = dmcu->funcs->is_dmcu_initialized(dmcu);
1138 if (!adev->dm.dc->ctx->dmub_srv)
1139 adev->dm.dc->ctx->dmub_srv = dc_dmub_srv_create(adev->dm.dc, dmub_srv);
1140 if (!adev->dm.dc->ctx->dmub_srv) {
1141 DRM_ERROR("Couldn't allocate DC DMUB server!\n");
1145 DRM_INFO("DMUB hardware initialized: version=0x%08X\n",
1146 adev->dm.dmcub_fw_version);
1151 static void dm_dmub_hw_resume(struct amdgpu_device *adev)
1153 struct dmub_srv *dmub_srv = adev->dm.dmub_srv;
1154 enum dmub_status status;
1158 /* DMUB isn't supported on the ASIC. */
1162 status = dmub_srv_is_hw_init(dmub_srv, &init);
1163 if (status != DMUB_STATUS_OK)
1164 DRM_WARN("DMUB hardware init check failed: %d\n", status);
1166 if (status == DMUB_STATUS_OK && init) {
1167 /* Wait for firmware load to finish. */
1168 status = dmub_srv_wait_for_auto_load(dmub_srv, 100000);
1169 if (status != DMUB_STATUS_OK)
1170 DRM_WARN("Wait for DMUB auto-load failed: %d\n", status);
1172 /* Perform the full hardware initialization. */
1173 dm_dmub_hw_init(adev);
1177 static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_addr_space_config *pa_config)
1180 uint32_t logical_addr_low;
1181 uint32_t logical_addr_high;
1182 uint32_t agp_base, agp_bot, agp_top;
1183 PHYSICAL_ADDRESS_LOC page_table_start, page_table_end, page_table_base;
1185 memset(pa_config, 0, sizeof(*pa_config));
1187 logical_addr_low = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18;
1188 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
1190 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
1192 * Raven2 has a HW issue that it is unable to use the vram which
1193 * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
1194 * workaround that increase system aperture high address (add 1)
1195 * to get rid of the VM fault and hardware hang.
1197 logical_addr_high = max((adev->gmc.fb_end >> 18) + 0x1, adev->gmc.agp_end >> 18);
1199 logical_addr_high = max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18;
1202 agp_bot = adev->gmc.agp_start >> 24;
1203 agp_top = adev->gmc.agp_end >> 24;
1206 page_table_start.high_part = (u32)(adev->gmc.gart_start >> 44) & 0xF;
1207 page_table_start.low_part = (u32)(adev->gmc.gart_start >> 12);
1208 page_table_end.high_part = (u32)(adev->gmc.gart_end >> 44) & 0xF;
1209 page_table_end.low_part = (u32)(adev->gmc.gart_end >> 12);
1210 page_table_base.high_part = upper_32_bits(pt_base) & 0xF;
1211 page_table_base.low_part = lower_32_bits(pt_base);
1213 pa_config->system_aperture.start_addr = (uint64_t)logical_addr_low << 18;
1214 pa_config->system_aperture.end_addr = (uint64_t)logical_addr_high << 18;
1216 pa_config->system_aperture.agp_base = (uint64_t)agp_base << 24 ;
1217 pa_config->system_aperture.agp_bot = (uint64_t)agp_bot << 24;
1218 pa_config->system_aperture.agp_top = (uint64_t)agp_top << 24;
1220 pa_config->system_aperture.fb_base = adev->gmc.fb_start;
1221 pa_config->system_aperture.fb_offset = adev->vm_manager.vram_base_offset;
1222 pa_config->system_aperture.fb_top = adev->gmc.fb_end;
1224 pa_config->gart_config.page_table_start_addr = page_table_start.quad_part << 12;
1225 pa_config->gart_config.page_table_end_addr = page_table_end.quad_part << 12;
1226 pa_config->gart_config.page_table_base_addr = page_table_base.quad_part;
1228 pa_config->is_hvm_enabled = 0;
1232 static void dm_handle_hpd_rx_offload_work(struct work_struct *work)
1234 struct hpd_rx_irq_offload_work *offload_work;
1235 struct amdgpu_dm_connector *aconnector;
1236 struct dc_link *dc_link;
1237 struct amdgpu_device *adev;
1238 enum dc_connection_type new_connection_type = dc_connection_none;
1239 unsigned long flags;
1241 offload_work = container_of(work, struct hpd_rx_irq_offload_work, work);
1242 aconnector = offload_work->offload_wq->aconnector;
1245 DRM_ERROR("Can't retrieve aconnector in hpd_rx_irq_offload_work");
1249 adev = drm_to_adev(aconnector->base.dev);
1250 dc_link = aconnector->dc_link;
1252 mutex_lock(&aconnector->hpd_lock);
1253 if (!dc_link_detect_sink(dc_link, &new_connection_type))
1254 DRM_ERROR("KMS: Failed to detect connector\n");
1255 mutex_unlock(&aconnector->hpd_lock);
1257 if (new_connection_type == dc_connection_none)
1260 if (amdgpu_in_reset(adev))
1263 mutex_lock(&adev->dm.dc_lock);
1264 if (offload_work->data.bytes.device_service_irq.bits.AUTOMATED_TEST)
1265 dc_link_dp_handle_automated_test(dc_link);
1266 else if ((dc_link->connector_signal != SIGNAL_TYPE_EDP) &&
1267 hpd_rx_irq_check_link_loss_status(dc_link, &offload_work->data) &&
1268 dc_link_dp_allow_hpd_rx_irq(dc_link)) {
1269 dc_link_dp_handle_link_loss(dc_link);
1270 spin_lock_irqsave(&offload_work->offload_wq->offload_lock, flags);
1271 offload_work->offload_wq->is_handling_link_loss = false;
1272 spin_unlock_irqrestore(&offload_work->offload_wq->offload_lock, flags);
1274 mutex_unlock(&adev->dm.dc_lock);
1277 kfree(offload_work);
1281 static struct hpd_rx_irq_offload_work_queue *hpd_rx_irq_create_workqueue(struct dc *dc)
1283 int max_caps = dc->caps.max_links;
1285 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq = NULL;
1287 hpd_rx_offload_wq = kcalloc(max_caps, sizeof(*hpd_rx_offload_wq), GFP_KERNEL);
1289 if (!hpd_rx_offload_wq)
1293 for (i = 0; i < max_caps; i++) {
1294 hpd_rx_offload_wq[i].wq =
1295 create_singlethread_workqueue("amdgpu_dm_hpd_rx_offload_wq");
1297 if (hpd_rx_offload_wq[i].wq == NULL) {
1298 DRM_ERROR("create amdgpu_dm_hpd_rx_offload_wq fail!");
1302 spin_lock_init(&hpd_rx_offload_wq[i].offload_lock);
1305 return hpd_rx_offload_wq;
1308 for (i = 0; i < max_caps; i++) {
1309 if (hpd_rx_offload_wq[i].wq)
1310 destroy_workqueue(hpd_rx_offload_wq[i].wq);
1312 kfree(hpd_rx_offload_wq);
1316 struct amdgpu_stutter_quirk {
1324 static const struct amdgpu_stutter_quirk amdgpu_stutter_quirk_list[] = {
1325 /* https://bugzilla.kernel.org/show_bug.cgi?id=214417 */
1326 { 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc8 },
1330 static bool dm_should_disable_stutter(struct pci_dev *pdev)
1332 const struct amdgpu_stutter_quirk *p = amdgpu_stutter_quirk_list;
1334 while (p && p->chip_device != 0) {
1335 if (pdev->vendor == p->chip_vendor &&
1336 pdev->device == p->chip_device &&
1337 pdev->subsystem_vendor == p->subsys_vendor &&
1338 pdev->subsystem_device == p->subsys_device &&
1339 pdev->revision == p->revision) {
1347 static const struct dmi_system_id hpd_disconnect_quirk_table[] = {
1350 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1351 DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3660"),
1356 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1357 DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3260"),
1362 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1363 DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3460"),
1368 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1369 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower Plus 7010"),
1374 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1375 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower 7010"),
1380 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1381 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF Plus 7010"),
1386 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1387 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF 7010"),
1392 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1393 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro Plus 7010"),
1398 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1399 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro 7010"),
1403 /* TODO: refactor this from a fixed table to a dynamic option */
1406 static void retrieve_dmi_info(struct amdgpu_display_manager *dm)
1408 const struct dmi_system_id *dmi_id;
1410 dm->aux_hpd_discon_quirk = false;
1412 dmi_id = dmi_first_match(hpd_disconnect_quirk_table);
1414 dm->aux_hpd_discon_quirk = true;
1415 DRM_INFO("aux_hpd_discon_quirk attached\n");
1419 static int amdgpu_dm_init(struct amdgpu_device *adev)
1421 struct dc_init_data init_data;
1422 #ifdef CONFIG_DRM_AMD_DC_HDCP
1423 struct dc_callback_init init_params;
1427 adev->dm.ddev = adev_to_drm(adev);
1428 adev->dm.adev = adev;
1430 /* Zero all the fields */
1431 memset(&init_data, 0, sizeof(init_data));
1432 #ifdef CONFIG_DRM_AMD_DC_HDCP
1433 memset(&init_params, 0, sizeof(init_params));
1436 mutex_init(&adev->dm.dpia_aux_lock);
1437 mutex_init(&adev->dm.dc_lock);
1438 mutex_init(&adev->dm.audio_lock);
1440 if(amdgpu_dm_irq_init(adev)) {
1441 DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
1445 init_data.asic_id.chip_family = adev->family;
1447 init_data.asic_id.pci_revision_id = adev->pdev->revision;
1448 init_data.asic_id.hw_internal_rev = adev->external_rev_id;
1449 init_data.asic_id.chip_id = adev->pdev->device;
1451 init_data.asic_id.vram_width = adev->gmc.vram_width;
1452 /* TODO: initialize init_data.asic_id.vram_type here!!!! */
1453 init_data.asic_id.atombios_base_address =
1454 adev->mode_info.atom_context->bios;
1456 init_data.driver = adev;
1458 adev->dm.cgs_device = amdgpu_cgs_create_device(adev);
1460 if (!adev->dm.cgs_device) {
1461 DRM_ERROR("amdgpu: failed to create cgs device.\n");
1465 init_data.cgs_device = adev->dm.cgs_device;
1467 init_data.dce_environment = DCE_ENV_PRODUCTION_DRV;
1469 switch (adev->ip_versions[DCE_HWIP][0]) {
1470 case IP_VERSION(2, 1, 0):
1471 switch (adev->dm.dmcub_fw_version) {
1472 case 0: /* development */
1473 case 0x1: /* linux-firmware.git hash 6d9f399 */
1474 case 0x01000000: /* linux-firmware.git hash 9a0b0f4 */
1475 init_data.flags.disable_dmcu = false;
1478 init_data.flags.disable_dmcu = true;
1481 case IP_VERSION(2, 0, 3):
1482 init_data.flags.disable_dmcu = true;
1488 switch (adev->asic_type) {
1491 init_data.flags.gpu_vm_support = true;
1494 switch (adev->ip_versions[DCE_HWIP][0]) {
1495 case IP_VERSION(1, 0, 0):
1496 case IP_VERSION(1, 0, 1):
1497 /* enable S/G on PCO and RV2 */
1498 if ((adev->apu_flags & AMD_APU_IS_RAVEN2) ||
1499 (adev->apu_flags & AMD_APU_IS_PICASSO))
1500 init_data.flags.gpu_vm_support = true;
1502 case IP_VERSION(2, 1, 0):
1503 case IP_VERSION(3, 0, 1):
1504 case IP_VERSION(3, 1, 2):
1505 case IP_VERSION(3, 1, 3):
1506 case IP_VERSION(3, 1, 6):
1507 init_data.flags.gpu_vm_support = true;
1515 if (init_data.flags.gpu_vm_support)
1516 adev->mode_info.gpu_vm_support = true;
1518 if (amdgpu_dc_feature_mask & DC_FBC_MASK)
1519 init_data.flags.fbc_support = true;
1521 if (amdgpu_dc_feature_mask & DC_MULTI_MON_PP_MCLK_SWITCH_MASK)
1522 init_data.flags.multi_mon_pp_mclk_switch = true;
1524 if (amdgpu_dc_feature_mask & DC_DISABLE_FRACTIONAL_PWM_MASK)
1525 init_data.flags.disable_fractional_pwm = true;
1527 if (amdgpu_dc_feature_mask & DC_EDP_NO_POWER_SEQUENCING)
1528 init_data.flags.edp_no_power_sequencing = true;
1530 if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP1_4A)
1531 init_data.flags.allow_lttpr_non_transparent_mode.bits.DP1_4A = true;
1532 if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP2_0)
1533 init_data.flags.allow_lttpr_non_transparent_mode.bits.DP2_0 = true;
1535 init_data.flags.seamless_boot_edp_requested = false;
1537 if (check_seamless_boot_capability(adev)) {
1538 init_data.flags.seamless_boot_edp_requested = true;
1539 init_data.flags.allow_seamless_boot_optimization = true;
1540 DRM_INFO("Seamless boot condition check passed\n");
1543 init_data.flags.enable_mipi_converter_optimization = true;
1545 init_data.dcn_reg_offsets = adev->reg_offset[DCE_HWIP][0];
1546 init_data.nbio_reg_offsets = adev->reg_offset[NBIO_HWIP][0];
1548 INIT_LIST_HEAD(&adev->dm.da_list);
1550 retrieve_dmi_info(&adev->dm);
1552 /* Display Core create. */
1553 adev->dm.dc = dc_create(&init_data);
1556 DRM_INFO("Display Core initialized with v%s!\n", DC_VER);
1558 DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER);
1562 if (amdgpu_dc_debug_mask & DC_DISABLE_PIPE_SPLIT) {
1563 adev->dm.dc->debug.force_single_disp_pipe_split = false;
1564 adev->dm.dc->debug.pipe_split_policy = MPC_SPLIT_AVOID;
1567 if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
1568 adev->dm.dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
1569 if (dm_should_disable_stutter(adev->pdev))
1570 adev->dm.dc->debug.disable_stutter = true;
1572 if (amdgpu_dc_debug_mask & DC_DISABLE_STUTTER)
1573 adev->dm.dc->debug.disable_stutter = true;
1575 if (amdgpu_dc_debug_mask & DC_DISABLE_DSC) {
1576 adev->dm.dc->debug.disable_dsc = true;
1579 if (amdgpu_dc_debug_mask & DC_DISABLE_CLOCK_GATING)
1580 adev->dm.dc->debug.disable_clock_gate = true;
1582 if (amdgpu_dc_debug_mask & DC_FORCE_SUBVP_MCLK_SWITCH)
1583 adev->dm.dc->debug.force_subvp_mclk_switch = true;
1585 adev->dm.dc->debug.visual_confirm = amdgpu_dc_visual_confirm;
1587 /* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */
1588 adev->dm.dc->debug.ignore_cable_id = true;
1590 r = dm_dmub_hw_init(adev);
1592 DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
1596 dc_hardware_init(adev->dm.dc);
1598 adev->dm.hpd_rx_offload_wq = hpd_rx_irq_create_workqueue(adev->dm.dc);
1599 if (!adev->dm.hpd_rx_offload_wq) {
1600 DRM_ERROR("amdgpu: failed to create hpd rx offload workqueue.\n");
1604 if ((adev->flags & AMD_IS_APU) && (adev->asic_type >= CHIP_CARRIZO)) {
1605 struct dc_phy_addr_space_config pa_config;
1607 mmhub_read_system_context(adev, &pa_config);
1609 // Call the DC init_memory func
1610 dc_setup_system_context(adev->dm.dc, &pa_config);
1613 adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
1614 if (!adev->dm.freesync_module) {
1616 "amdgpu: failed to initialize freesync_module.\n");
1618 DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n",
1619 adev->dm.freesync_module);
1621 amdgpu_dm_init_color_mod();
1623 if (adev->dm.dc->caps.max_links > 0) {
1624 adev->dm.vblank_control_workqueue =
1625 create_singlethread_workqueue("dm_vblank_control_workqueue");
1626 if (!adev->dm.vblank_control_workqueue)
1627 DRM_ERROR("amdgpu: failed to initialize vblank_workqueue.\n");
1630 #ifdef CONFIG_DRM_AMD_DC_HDCP
1631 if (adev->dm.dc->caps.max_links > 0 && adev->family >= AMDGPU_FAMILY_RV) {
1632 adev->dm.hdcp_workqueue = hdcp_create_workqueue(adev, &init_params.cp_psp, adev->dm.dc);
1634 if (!adev->dm.hdcp_workqueue)
1635 DRM_ERROR("amdgpu: failed to initialize hdcp_workqueue.\n");
1637 DRM_DEBUG_DRIVER("amdgpu: hdcp_workqueue init done %p.\n", adev->dm.hdcp_workqueue);
1639 dc_init_callbacks(adev->dm.dc, &init_params);
1642 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
1643 adev->dm.crc_rd_wrk = amdgpu_dm_crtc_secure_display_create_work();
1645 if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
1646 init_completion(&adev->dm.dmub_aux_transfer_done);
1647 adev->dm.dmub_notify = kzalloc(sizeof(struct dmub_notification), GFP_KERNEL);
1648 if (!adev->dm.dmub_notify) {
1649 DRM_INFO("amdgpu: fail to allocate adev->dm.dmub_notify");
1653 adev->dm.delayed_hpd_wq = create_singlethread_workqueue("amdgpu_dm_hpd_wq");
1654 if (!adev->dm.delayed_hpd_wq) {
1655 DRM_ERROR("amdgpu: failed to create hpd offload workqueue.\n");
1659 amdgpu_dm_outbox_init(adev);
1660 if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_AUX_REPLY,
1661 dmub_aux_setconfig_callback, false)) {
1662 DRM_ERROR("amdgpu: fail to register dmub aux callback");
1665 if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD, dmub_hpd_callback, true)) {
1666 DRM_ERROR("amdgpu: fail to register dmub hpd callback");
1669 if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD_IRQ, dmub_hpd_callback, true)) {
1670 DRM_ERROR("amdgpu: fail to register dmub hpd callback");
1675 /* Enable outbox notification only after IRQ handlers are registered and DMUB is alive.
1676 * It is expected that DMUB will resend any pending notifications at this point, for
1677 * example HPD from DPIA.
1679 if (dc_is_dmub_outbox_supported(adev->dm.dc))
1680 dc_enable_dmub_outbox(adev->dm.dc);
1682 if (amdgpu_dm_initialize_drm_device(adev)) {
1684 "amdgpu: failed to initialize sw for display support.\n");
1688 /* create fake encoders for MST */
1689 dm_dp_create_fake_mst_encoders(adev);
1691 /* TODO: Add_display_info? */
1693 /* TODO use dynamic cursor width */
1694 adev_to_drm(adev)->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size;
1695 adev_to_drm(adev)->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size;
1697 if (drm_vblank_init(adev_to_drm(adev), adev->dm.display_indexes_num)) {
1699 "amdgpu: failed to initialize sw for display support.\n");
1704 DRM_DEBUG_DRIVER("KMS initialized.\n");
1708 amdgpu_dm_fini(adev);
1713 static int amdgpu_dm_early_fini(void *handle)
1715 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1717 amdgpu_dm_audio_fini(adev);
1722 static void amdgpu_dm_fini(struct amdgpu_device *adev)
1726 if (adev->dm.vblank_control_workqueue) {
1727 destroy_workqueue(adev->dm.vblank_control_workqueue);
1728 adev->dm.vblank_control_workqueue = NULL;
1731 amdgpu_dm_destroy_drm_device(&adev->dm);
1733 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
1734 if (adev->dm.crc_rd_wrk) {
1735 flush_work(&adev->dm.crc_rd_wrk->notify_ta_work);
1736 kfree(adev->dm.crc_rd_wrk);
1737 adev->dm.crc_rd_wrk = NULL;
1740 #ifdef CONFIG_DRM_AMD_DC_HDCP
1741 if (adev->dm.hdcp_workqueue) {
1742 hdcp_destroy(&adev->dev->kobj, adev->dm.hdcp_workqueue);
1743 adev->dm.hdcp_workqueue = NULL;
1747 dc_deinit_callbacks(adev->dm.dc);
1750 dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv);
1752 if (dc_enable_dmub_notifications(adev->dm.dc)) {
1753 kfree(adev->dm.dmub_notify);
1754 adev->dm.dmub_notify = NULL;
1755 destroy_workqueue(adev->dm.delayed_hpd_wq);
1756 adev->dm.delayed_hpd_wq = NULL;
1759 if (adev->dm.dmub_bo)
1760 amdgpu_bo_free_kernel(&adev->dm.dmub_bo,
1761 &adev->dm.dmub_bo_gpu_addr,
1762 &adev->dm.dmub_bo_cpu_addr);
1764 if (adev->dm.hpd_rx_offload_wq) {
1765 for (i = 0; i < adev->dm.dc->caps.max_links; i++) {
1766 if (adev->dm.hpd_rx_offload_wq[i].wq) {
1767 destroy_workqueue(adev->dm.hpd_rx_offload_wq[i].wq);
1768 adev->dm.hpd_rx_offload_wq[i].wq = NULL;
1772 kfree(adev->dm.hpd_rx_offload_wq);
1773 adev->dm.hpd_rx_offload_wq = NULL;
1776 /* DC Destroy TODO: Replace destroy DAL */
1778 dc_destroy(&adev->dm.dc);
1780 * TODO: pageflip, vlank interrupt
1782 * amdgpu_dm_irq_fini(adev);
1785 if (adev->dm.cgs_device) {
1786 amdgpu_cgs_destroy_device(adev->dm.cgs_device);
1787 adev->dm.cgs_device = NULL;
1789 if (adev->dm.freesync_module) {
1790 mod_freesync_destroy(adev->dm.freesync_module);
1791 adev->dm.freesync_module = NULL;
1794 mutex_destroy(&adev->dm.audio_lock);
1795 mutex_destroy(&adev->dm.dc_lock);
1796 mutex_destroy(&adev->dm.dpia_aux_lock);
1801 static int load_dmcu_fw(struct amdgpu_device *adev)
1803 const char *fw_name_dmcu = NULL;
1805 const struct dmcu_firmware_header_v1_0 *hdr;
1807 switch(adev->asic_type) {
1808 #if defined(CONFIG_DRM_AMD_DC_SI)
1823 case CHIP_POLARIS11:
1824 case CHIP_POLARIS10:
1825 case CHIP_POLARIS12:
1832 fw_name_dmcu = FIRMWARE_NAVI12_DMCU;
1835 if (ASICREV_IS_PICASSO(adev->external_rev_id))
1836 fw_name_dmcu = FIRMWARE_RAVEN_DMCU;
1837 else if (ASICREV_IS_RAVEN2(adev->external_rev_id))
1838 fw_name_dmcu = FIRMWARE_RAVEN_DMCU;
1843 switch (adev->ip_versions[DCE_HWIP][0]) {
1844 case IP_VERSION(2, 0, 2):
1845 case IP_VERSION(2, 0, 3):
1846 case IP_VERSION(2, 0, 0):
1847 case IP_VERSION(2, 1, 0):
1848 case IP_VERSION(3, 0, 0):
1849 case IP_VERSION(3, 0, 2):
1850 case IP_VERSION(3, 0, 3):
1851 case IP_VERSION(3, 0, 1):
1852 case IP_VERSION(3, 1, 2):
1853 case IP_VERSION(3, 1, 3):
1854 case IP_VERSION(3, 1, 4):
1855 case IP_VERSION(3, 1, 5):
1856 case IP_VERSION(3, 1, 6):
1857 case IP_VERSION(3, 2, 0):
1858 case IP_VERSION(3, 2, 1):
1863 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
1867 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
1868 DRM_DEBUG_KMS("dm: DMCU firmware not supported on direct or SMU loading\n");
1872 r = request_firmware_direct(&adev->dm.fw_dmcu, fw_name_dmcu, adev->dev);
1874 /* DMCU firmware is not necessary, so don't raise a fuss if it's missing */
1875 DRM_DEBUG_KMS("dm: DMCU firmware not found\n");
1876 adev->dm.fw_dmcu = NULL;
1880 dev_err(adev->dev, "amdgpu_dm: Can't load firmware \"%s\"\n",
1885 r = amdgpu_ucode_validate(adev->dm.fw_dmcu);
1887 dev_err(adev->dev, "amdgpu_dm: Can't validate firmware \"%s\"\n",
1889 release_firmware(adev->dm.fw_dmcu);
1890 adev->dm.fw_dmcu = NULL;
1894 hdr = (const struct dmcu_firmware_header_v1_0 *)adev->dm.fw_dmcu->data;
1895 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].ucode_id = AMDGPU_UCODE_ID_DMCU_ERAM;
1896 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].fw = adev->dm.fw_dmcu;
1897 adev->firmware.fw_size +=
1898 ALIGN(le32_to_cpu(hdr->header.ucode_size_bytes) - le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE);
1900 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].ucode_id = AMDGPU_UCODE_ID_DMCU_INTV;
1901 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].fw = adev->dm.fw_dmcu;
1902 adev->firmware.fw_size +=
1903 ALIGN(le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE);
1905 adev->dm.dmcu_fw_version = le32_to_cpu(hdr->header.ucode_version);
1907 DRM_DEBUG_KMS("PSP loading DMCU firmware\n");
1912 static uint32_t amdgpu_dm_dmub_reg_read(void *ctx, uint32_t address)
1914 struct amdgpu_device *adev = ctx;
1916 return dm_read_reg(adev->dm.dc->ctx, address);
1919 static void amdgpu_dm_dmub_reg_write(void *ctx, uint32_t address,
1922 struct amdgpu_device *adev = ctx;
1924 return dm_write_reg(adev->dm.dc->ctx, address, value);
1927 static int dm_dmub_sw_init(struct amdgpu_device *adev)
1929 struct dmub_srv_create_params create_params;
1930 struct dmub_srv_region_params region_params;
1931 struct dmub_srv_region_info region_info;
1932 struct dmub_srv_fb_params fb_params;
1933 struct dmub_srv_fb_info *fb_info;
1934 struct dmub_srv *dmub_srv;
1935 const struct dmcub_firmware_header_v1_0 *hdr;
1936 const char *fw_name_dmub;
1937 enum dmub_asic dmub_asic;
1938 enum dmub_status status;
1941 switch (adev->ip_versions[DCE_HWIP][0]) {
1942 case IP_VERSION(2, 1, 0):
1943 dmub_asic = DMUB_ASIC_DCN21;
1944 fw_name_dmub = FIRMWARE_RENOIR_DMUB;
1945 if (ASICREV_IS_GREEN_SARDINE(adev->external_rev_id))
1946 fw_name_dmub = FIRMWARE_GREEN_SARDINE_DMUB;
1948 case IP_VERSION(3, 0, 0):
1949 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 0)) {
1950 dmub_asic = DMUB_ASIC_DCN30;
1951 fw_name_dmub = FIRMWARE_SIENNA_CICHLID_DMUB;
1953 dmub_asic = DMUB_ASIC_DCN30;
1954 fw_name_dmub = FIRMWARE_NAVY_FLOUNDER_DMUB;
1957 case IP_VERSION(3, 0, 1):
1958 dmub_asic = DMUB_ASIC_DCN301;
1959 fw_name_dmub = FIRMWARE_VANGOGH_DMUB;
1961 case IP_VERSION(3, 0, 2):
1962 dmub_asic = DMUB_ASIC_DCN302;
1963 fw_name_dmub = FIRMWARE_DIMGREY_CAVEFISH_DMUB;
1965 case IP_VERSION(3, 0, 3):
1966 dmub_asic = DMUB_ASIC_DCN303;
1967 fw_name_dmub = FIRMWARE_BEIGE_GOBY_DMUB;
1969 case IP_VERSION(3, 1, 2):
1970 case IP_VERSION(3, 1, 3):
1971 dmub_asic = (adev->external_rev_id == YELLOW_CARP_B0) ? DMUB_ASIC_DCN31B : DMUB_ASIC_DCN31;
1972 fw_name_dmub = FIRMWARE_YELLOW_CARP_DMUB;
1974 case IP_VERSION(3, 1, 4):
1975 dmub_asic = DMUB_ASIC_DCN314;
1976 fw_name_dmub = FIRMWARE_DCN_314_DMUB;
1978 case IP_VERSION(3, 1, 5):
1979 dmub_asic = DMUB_ASIC_DCN315;
1980 fw_name_dmub = FIRMWARE_DCN_315_DMUB;
1982 case IP_VERSION(3, 1, 6):
1983 dmub_asic = DMUB_ASIC_DCN316;
1984 fw_name_dmub = FIRMWARE_DCN316_DMUB;
1986 case IP_VERSION(3, 2, 0):
1987 dmub_asic = DMUB_ASIC_DCN32;
1988 fw_name_dmub = FIRMWARE_DCN_V3_2_0_DMCUB;
1990 case IP_VERSION(3, 2, 1):
1991 dmub_asic = DMUB_ASIC_DCN321;
1992 fw_name_dmub = FIRMWARE_DCN_V3_2_1_DMCUB;
1995 /* ASIC doesn't support DMUB. */
1999 r = request_firmware_direct(&adev->dm.dmub_fw, fw_name_dmub, adev->dev);
2001 DRM_ERROR("DMUB firmware loading failed: %d\n", r);
2005 r = amdgpu_ucode_validate(adev->dm.dmub_fw);
2007 DRM_ERROR("Couldn't validate DMUB firmware: %d\n", r);
2011 hdr = (const struct dmcub_firmware_header_v1_0 *)adev->dm.dmub_fw->data;
2012 adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
2014 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
2015 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id =
2016 AMDGPU_UCODE_ID_DMCUB;
2017 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].fw =
2019 adev->firmware.fw_size +=
2020 ALIGN(le32_to_cpu(hdr->inst_const_bytes), PAGE_SIZE);
2022 DRM_INFO("Loading DMUB firmware via PSP: version=0x%08X\n",
2023 adev->dm.dmcub_fw_version);
2027 adev->dm.dmub_srv = kzalloc(sizeof(*adev->dm.dmub_srv), GFP_KERNEL);
2028 dmub_srv = adev->dm.dmub_srv;
2031 DRM_ERROR("Failed to allocate DMUB service!\n");
2035 memset(&create_params, 0, sizeof(create_params));
2036 create_params.user_ctx = adev;
2037 create_params.funcs.reg_read = amdgpu_dm_dmub_reg_read;
2038 create_params.funcs.reg_write = amdgpu_dm_dmub_reg_write;
2039 create_params.asic = dmub_asic;
2041 /* Create the DMUB service. */
2042 status = dmub_srv_create(dmub_srv, &create_params);
2043 if (status != DMUB_STATUS_OK) {
2044 DRM_ERROR("Error creating DMUB service: %d\n", status);
2048 /* Calculate the size of all the regions for the DMUB service. */
2049 memset(®ion_params, 0, sizeof(region_params));
2051 region_params.inst_const_size = le32_to_cpu(hdr->inst_const_bytes) -
2052 PSP_HEADER_BYTES - PSP_FOOTER_BYTES;
2053 region_params.bss_data_size = le32_to_cpu(hdr->bss_data_bytes);
2054 region_params.vbios_size = adev->bios_size;
2055 region_params.fw_bss_data = region_params.bss_data_size ?
2056 adev->dm.dmub_fw->data +
2057 le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
2058 le32_to_cpu(hdr->inst_const_bytes) : NULL;
2059 region_params.fw_inst_const =
2060 adev->dm.dmub_fw->data +
2061 le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
2064 status = dmub_srv_calc_region_info(dmub_srv, ®ion_params,
2067 if (status != DMUB_STATUS_OK) {
2068 DRM_ERROR("Error calculating DMUB region info: %d\n", status);
2073 * Allocate a framebuffer based on the total size of all the regions.
2074 * TODO: Move this into GART.
2076 r = amdgpu_bo_create_kernel(adev, region_info.fb_size, PAGE_SIZE,
2077 AMDGPU_GEM_DOMAIN_VRAM, &adev->dm.dmub_bo,
2078 &adev->dm.dmub_bo_gpu_addr,
2079 &adev->dm.dmub_bo_cpu_addr);
2083 /* Rebase the regions on the framebuffer address. */
2084 memset(&fb_params, 0, sizeof(fb_params));
2085 fb_params.cpu_addr = adev->dm.dmub_bo_cpu_addr;
2086 fb_params.gpu_addr = adev->dm.dmub_bo_gpu_addr;
2087 fb_params.region_info = ®ion_info;
2089 adev->dm.dmub_fb_info =
2090 kzalloc(sizeof(*adev->dm.dmub_fb_info), GFP_KERNEL);
2091 fb_info = adev->dm.dmub_fb_info;
2095 "Failed to allocate framebuffer info for DMUB service!\n");
2099 status = dmub_srv_calc_fb_info(dmub_srv, &fb_params, fb_info);
2100 if (status != DMUB_STATUS_OK) {
2101 DRM_ERROR("Error calculating DMUB FB info: %d\n", status);
2108 static int dm_sw_init(void *handle)
2110 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2113 r = dm_dmub_sw_init(adev);
2117 return load_dmcu_fw(adev);
2120 static int dm_sw_fini(void *handle)
2122 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2124 kfree(adev->dm.dmub_fb_info);
2125 adev->dm.dmub_fb_info = NULL;
2127 if (adev->dm.dmub_srv) {
2128 dmub_srv_destroy(adev->dm.dmub_srv);
2129 adev->dm.dmub_srv = NULL;
2132 release_firmware(adev->dm.dmub_fw);
2133 adev->dm.dmub_fw = NULL;
2135 release_firmware(adev->dm.fw_dmcu);
2136 adev->dm.fw_dmcu = NULL;
2141 static int detect_mst_link_for_all_connectors(struct drm_device *dev)
2143 struct amdgpu_dm_connector *aconnector;
2144 struct drm_connector *connector;
2145 struct drm_connector_list_iter iter;
2148 drm_connector_list_iter_begin(dev, &iter);
2149 drm_for_each_connector_iter(connector, &iter) {
2150 aconnector = to_amdgpu_dm_connector(connector);
2151 if (aconnector->dc_link->type == dc_connection_mst_branch &&
2152 aconnector->mst_mgr.aux) {
2153 DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n",
2155 aconnector->base.base.id);
2157 ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true);
2159 DRM_ERROR("DM_MST: Failed to start MST\n");
2160 aconnector->dc_link->type =
2161 dc_connection_single;
2166 drm_connector_list_iter_end(&iter);
2171 static int dm_late_init(void *handle)
2173 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2175 struct dmcu_iram_parameters params;
2176 unsigned int linear_lut[16];
2178 struct dmcu *dmcu = NULL;
2180 dmcu = adev->dm.dc->res_pool->dmcu;
2182 for (i = 0; i < 16; i++)
2183 linear_lut[i] = 0xFFFF * i / 15;
2186 params.backlight_ramping_override = false;
2187 params.backlight_ramping_start = 0xCCCC;
2188 params.backlight_ramping_reduction = 0xCCCCCCCC;
2189 params.backlight_lut_array_size = 16;
2190 params.backlight_lut_array = linear_lut;
2192 /* Min backlight level after ABM reduction, Don't allow below 1%
2193 * 0xFFFF x 0.01 = 0x28F
2195 params.min_abm_backlight = 0x28F;
2196 /* In the case where abm is implemented on dmcub,
2197 * dmcu object will be null.
2198 * ABM 2.4 and up are implemented on dmcub.
2201 if (!dmcu_load_iram(dmcu, params))
2203 } else if (adev->dm.dc->ctx->dmub_srv) {
2204 struct dc_link *edp_links[MAX_NUM_EDP];
2207 get_edp_links(adev->dm.dc, edp_links, &edp_num);
2208 for (i = 0; i < edp_num; i++) {
2209 if (!dmub_init_abm_config(adev->dm.dc->res_pool, params, i))
2214 return detect_mst_link_for_all_connectors(adev_to_drm(adev));
2217 static void s3_handle_mst(struct drm_device *dev, bool suspend)
2219 struct amdgpu_dm_connector *aconnector;
2220 struct drm_connector *connector;
2221 struct drm_connector_list_iter iter;
2222 struct drm_dp_mst_topology_mgr *mgr;
2224 bool need_hotplug = false;
2226 drm_connector_list_iter_begin(dev, &iter);
2227 drm_for_each_connector_iter(connector, &iter) {
2228 aconnector = to_amdgpu_dm_connector(connector);
2229 if (aconnector->dc_link->type != dc_connection_mst_branch ||
2230 aconnector->mst_port)
2233 mgr = &aconnector->mst_mgr;
2236 drm_dp_mst_topology_mgr_suspend(mgr);
2238 ret = drm_dp_mst_topology_mgr_resume(mgr, true);
2240 dm_helpers_dp_mst_stop_top_mgr(aconnector->dc_link->ctx,
2241 aconnector->dc_link);
2242 need_hotplug = true;
2246 drm_connector_list_iter_end(&iter);
2249 drm_kms_helper_hotplug_event(dev);
2252 static int amdgpu_dm_smu_write_watermarks_table(struct amdgpu_device *adev)
2256 /* This interface is for dGPU Navi1x.Linux dc-pplib interface depends
2257 * on window driver dc implementation.
2258 * For Navi1x, clock settings of dcn watermarks are fixed. the settings
2259 * should be passed to smu during boot up and resume from s3.
2260 * boot up: dc calculate dcn watermark clock settings within dc_create,
2261 * dcn20_resource_construct
2262 * then call pplib functions below to pass the settings to smu:
2263 * smu_set_watermarks_for_clock_ranges
2264 * smu_set_watermarks_table
2265 * navi10_set_watermarks_table
2266 * smu_write_watermarks_table
2268 * For Renoir, clock settings of dcn watermark are also fixed values.
2269 * dc has implemented different flow for window driver:
2270 * dc_hardware_init / dc_set_power_state
2275 * smu_set_watermarks_for_clock_ranges
2276 * renoir_set_watermarks_table
2277 * smu_write_watermarks_table
2280 * dc_hardware_init -> amdgpu_dm_init
2281 * dc_set_power_state --> dm_resume
2283 * therefore, this function apply to navi10/12/14 but not Renoir
2286 switch (adev->ip_versions[DCE_HWIP][0]) {
2287 case IP_VERSION(2, 0, 2):
2288 case IP_VERSION(2, 0, 0):
2294 ret = amdgpu_dpm_write_watermarks_table(adev);
2296 DRM_ERROR("Failed to update WMTABLE!\n");
2304 * dm_hw_init() - Initialize DC device
2305 * @handle: The base driver device containing the amdgpu_dm device.
2307 * Initialize the &struct amdgpu_display_manager device. This involves calling
2308 * the initializers of each DM component, then populating the struct with them.
2310 * Although the function implies hardware initialization, both hardware and
2311 * software are initialized here. Splitting them out to their relevant init
2312 * hooks is a future TODO item.
2314 * Some notable things that are initialized here:
2316 * - Display Core, both software and hardware
2317 * - DC modules that we need (freesync and color management)
2318 * - DRM software states
2319 * - Interrupt sources and handlers
2321 * - Debug FS entries, if enabled
2323 static int dm_hw_init(void *handle)
2325 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2326 /* Create DAL display manager */
2327 amdgpu_dm_init(adev);
2328 amdgpu_dm_hpd_init(adev);
2334 * dm_hw_fini() - Teardown DC device
2335 * @handle: The base driver device containing the amdgpu_dm device.
2337 * Teardown components within &struct amdgpu_display_manager that require
2338 * cleanup. This involves cleaning up the DRM device, DC, and any modules that
2339 * were loaded. Also flush IRQ workqueues and disable them.
2341 static int dm_hw_fini(void *handle)
2343 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2345 amdgpu_dm_hpd_fini(adev);
2347 amdgpu_dm_irq_fini(adev);
2348 amdgpu_dm_fini(adev);
2353 static void dm_gpureset_toggle_interrupts(struct amdgpu_device *adev,
2354 struct dc_state *state, bool enable)
2356 enum dc_irq_source irq_source;
2357 struct amdgpu_crtc *acrtc;
2361 for (i = 0; i < state->stream_count; i++) {
2362 acrtc = get_crtc_by_otg_inst(
2363 adev, state->stream_status[i].primary_otg_inst);
2365 if (acrtc && state->stream_status[i].plane_count != 0) {
2366 irq_source = IRQ_TYPE_PFLIP + acrtc->otg_inst;
2367 rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
2368 DRM_DEBUG_VBL("crtc %d - vupdate irq %sabling: r=%d\n",
2369 acrtc->crtc_id, enable ? "en" : "dis", rc);
2371 DRM_WARN("Failed to %s pflip interrupts\n",
2372 enable ? "enable" : "disable");
2375 rc = dm_enable_vblank(&acrtc->base);
2377 DRM_WARN("Failed to enable vblank interrupts\n");
2379 dm_disable_vblank(&acrtc->base);
2387 static enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc)
2389 struct dc_state *context = NULL;
2390 enum dc_status res = DC_ERROR_UNEXPECTED;
2392 struct dc_stream_state *del_streams[MAX_PIPES];
2393 int del_streams_count = 0;
2395 memset(del_streams, 0, sizeof(del_streams));
2397 context = dc_create_state(dc);
2398 if (context == NULL)
2399 goto context_alloc_fail;
2401 dc_resource_state_copy_construct_current(dc, context);
2403 /* First remove from context all streams */
2404 for (i = 0; i < context->stream_count; i++) {
2405 struct dc_stream_state *stream = context->streams[i];
2407 del_streams[del_streams_count++] = stream;
2410 /* Remove all planes for removed streams and then remove the streams */
2411 for (i = 0; i < del_streams_count; i++) {
2412 if (!dc_rem_all_planes_for_stream(dc, del_streams[i], context)) {
2413 res = DC_FAIL_DETACH_SURFACES;
2417 res = dc_remove_stream_from_ctx(dc, context, del_streams[i]);
2422 res = dc_commit_state(dc, context);
2425 dc_release_state(context);
2431 static void hpd_rx_irq_work_suspend(struct amdgpu_display_manager *dm)
2435 if (dm->hpd_rx_offload_wq) {
2436 for (i = 0; i < dm->dc->caps.max_links; i++)
2437 flush_workqueue(dm->hpd_rx_offload_wq[i].wq);
2441 static int dm_suspend(void *handle)
2443 struct amdgpu_device *adev = handle;
2444 struct amdgpu_display_manager *dm = &adev->dm;
2447 if (amdgpu_in_reset(adev)) {
2448 mutex_lock(&dm->dc_lock);
2450 dc_allow_idle_optimizations(adev->dm.dc, false);
2452 dm->cached_dc_state = dc_copy_state(dm->dc->current_state);
2454 dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false);
2456 amdgpu_dm_commit_zero_streams(dm->dc);
2458 amdgpu_dm_irq_suspend(adev);
2460 hpd_rx_irq_work_suspend(dm);
2465 WARN_ON(adev->dm.cached_state);
2466 adev->dm.cached_state = drm_atomic_helper_suspend(adev_to_drm(adev));
2468 s3_handle_mst(adev_to_drm(adev), true);
2470 amdgpu_dm_irq_suspend(adev);
2472 hpd_rx_irq_work_suspend(dm);
2474 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3);
2479 struct amdgpu_dm_connector *
2480 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
2481 struct drm_crtc *crtc)
2484 struct drm_connector_state *new_con_state;
2485 struct drm_connector *connector;
2486 struct drm_crtc *crtc_from_state;
2488 for_each_new_connector_in_state(state, connector, new_con_state, i) {
2489 crtc_from_state = new_con_state->crtc;
2491 if (crtc_from_state == crtc)
2492 return to_amdgpu_dm_connector(connector);
2498 static void emulated_link_detect(struct dc_link *link)
2500 struct dc_sink_init_data sink_init_data = { 0 };
2501 struct display_sink_capability sink_caps = { 0 };
2502 enum dc_edid_status edid_status;
2503 struct dc_context *dc_ctx = link->ctx;
2504 struct dc_sink *sink = NULL;
2505 struct dc_sink *prev_sink = NULL;
2507 link->type = dc_connection_none;
2508 prev_sink = link->local_sink;
2511 dc_sink_release(prev_sink);
2513 switch (link->connector_signal) {
2514 case SIGNAL_TYPE_HDMI_TYPE_A: {
2515 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
2516 sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A;
2520 case SIGNAL_TYPE_DVI_SINGLE_LINK: {
2521 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
2522 sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
2526 case SIGNAL_TYPE_DVI_DUAL_LINK: {
2527 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
2528 sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK;
2532 case SIGNAL_TYPE_LVDS: {
2533 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
2534 sink_caps.signal = SIGNAL_TYPE_LVDS;
2538 case SIGNAL_TYPE_EDP: {
2539 sink_caps.transaction_type =
2540 DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
2541 sink_caps.signal = SIGNAL_TYPE_EDP;
2545 case SIGNAL_TYPE_DISPLAY_PORT: {
2546 sink_caps.transaction_type =
2547 DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
2548 sink_caps.signal = SIGNAL_TYPE_VIRTUAL;
2553 DC_ERROR("Invalid connector type! signal:%d\n",
2554 link->connector_signal);
2558 sink_init_data.link = link;
2559 sink_init_data.sink_signal = sink_caps.signal;
2561 sink = dc_sink_create(&sink_init_data);
2563 DC_ERROR("Failed to create sink!\n");
2567 /* dc_sink_create returns a new reference */
2568 link->local_sink = sink;
2570 edid_status = dm_helpers_read_local_edid(
2575 if (edid_status != EDID_OK)
2576 DC_ERROR("Failed to read EDID");
2580 static void dm_gpureset_commit_state(struct dc_state *dc_state,
2581 struct amdgpu_display_manager *dm)
2584 struct dc_surface_update surface_updates[MAX_SURFACES];
2585 struct dc_plane_info plane_infos[MAX_SURFACES];
2586 struct dc_scaling_info scaling_infos[MAX_SURFACES];
2587 struct dc_flip_addrs flip_addrs[MAX_SURFACES];
2588 struct dc_stream_update stream_update;
2592 bundle = kzalloc(sizeof(*bundle), GFP_KERNEL);
2595 dm_error("Failed to allocate update bundle\n");
2599 for (k = 0; k < dc_state->stream_count; k++) {
2600 bundle->stream_update.stream = dc_state->streams[k];
2602 for (m = 0; m < dc_state->stream_status->plane_count; m++) {
2603 bundle->surface_updates[m].surface =
2604 dc_state->stream_status->plane_states[m];
2605 bundle->surface_updates[m].surface->force_full_update =
2608 dc_commit_updates_for_stream(
2609 dm->dc, bundle->surface_updates,
2610 dc_state->stream_status->plane_count,
2611 dc_state->streams[k], &bundle->stream_update, dc_state);
2620 static int dm_resume(void *handle)
2622 struct amdgpu_device *adev = handle;
2623 struct drm_device *ddev = adev_to_drm(adev);
2624 struct amdgpu_display_manager *dm = &adev->dm;
2625 struct amdgpu_dm_connector *aconnector;
2626 struct drm_connector *connector;
2627 struct drm_connector_list_iter iter;
2628 struct drm_crtc *crtc;
2629 struct drm_crtc_state *new_crtc_state;
2630 struct dm_crtc_state *dm_new_crtc_state;
2631 struct drm_plane *plane;
2632 struct drm_plane_state *new_plane_state;
2633 struct dm_plane_state *dm_new_plane_state;
2634 struct dm_atomic_state *dm_state = to_dm_atomic_state(dm->atomic_obj.state);
2635 enum dc_connection_type new_connection_type = dc_connection_none;
2636 struct dc_state *dc_state;
2639 if (amdgpu_in_reset(adev)) {
2640 dc_state = dm->cached_dc_state;
2643 * The dc->current_state is backed up into dm->cached_dc_state
2644 * before we commit 0 streams.
2646 * DC will clear link encoder assignments on the real state
2647 * but the changes won't propagate over to the copy we made
2648 * before the 0 streams commit.
2650 * DC expects that link encoder assignments are *not* valid
2651 * when committing a state, so as a workaround we can copy
2652 * off of the current state.
2654 * We lose the previous assignments, but we had already
2655 * commit 0 streams anyway.
2657 link_enc_cfg_copy(adev->dm.dc->current_state, dc_state);
2659 r = dm_dmub_hw_init(adev);
2661 DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
2663 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
2666 amdgpu_dm_irq_resume_early(adev);
2668 for (i = 0; i < dc_state->stream_count; i++) {
2669 dc_state->streams[i]->mode_changed = true;
2670 for (j = 0; j < dc_state->stream_status[i].plane_count; j++) {
2671 dc_state->stream_status[i].plane_states[j]->update_flags.raw
2676 if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
2677 amdgpu_dm_outbox_init(adev);
2678 dc_enable_dmub_outbox(adev->dm.dc);
2681 WARN_ON(!dc_commit_state(dm->dc, dc_state));
2683 dm_gpureset_commit_state(dm->cached_dc_state, dm);
2685 dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, true);
2687 dc_release_state(dm->cached_dc_state);
2688 dm->cached_dc_state = NULL;
2690 amdgpu_dm_irq_resume_late(adev);
2692 mutex_unlock(&dm->dc_lock);
2696 /* Recreate dc_state - DC invalidates it when setting power state to S3. */
2697 dc_release_state(dm_state->context);
2698 dm_state->context = dc_create_state(dm->dc);
2699 /* TODO: Remove dc_state->dccg, use dc->dccg directly. */
2700 dc_resource_state_construct(dm->dc, dm_state->context);
2702 /* Before powering on DC we need to re-initialize DMUB. */
2703 dm_dmub_hw_resume(adev);
2705 /* Re-enable outbox interrupts for DPIA. */
2706 if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
2707 amdgpu_dm_outbox_init(adev);
2708 dc_enable_dmub_outbox(adev->dm.dc);
2711 /* power on hardware */
2712 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
2714 /* program HPD filter */
2718 * early enable HPD Rx IRQ, should be done before set mode as short
2719 * pulse interrupts are used for MST
2721 amdgpu_dm_irq_resume_early(adev);
2723 /* On resume we need to rewrite the MSTM control bits to enable MST*/
2724 s3_handle_mst(ddev, false);
2727 drm_connector_list_iter_begin(ddev, &iter);
2728 drm_for_each_connector_iter(connector, &iter) {
2729 aconnector = to_amdgpu_dm_connector(connector);
2732 * this is the case when traversing through already created
2733 * MST connectors, should be skipped
2735 if (aconnector->dc_link &&
2736 aconnector->dc_link->type == dc_connection_mst_branch)
2739 mutex_lock(&aconnector->hpd_lock);
2740 if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
2741 DRM_ERROR("KMS: Failed to detect connector\n");
2743 if (aconnector->base.force && new_connection_type == dc_connection_none) {
2744 emulated_link_detect(aconnector->dc_link);
2746 mutex_lock(&dm->dc_lock);
2747 dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD);
2748 mutex_unlock(&dm->dc_lock);
2751 if (aconnector->fake_enable && aconnector->dc_link->local_sink)
2752 aconnector->fake_enable = false;
2754 if (aconnector->dc_sink)
2755 dc_sink_release(aconnector->dc_sink);
2756 aconnector->dc_sink = NULL;
2757 amdgpu_dm_update_connector_after_detect(aconnector);
2758 mutex_unlock(&aconnector->hpd_lock);
2760 drm_connector_list_iter_end(&iter);
2762 /* Force mode set in atomic commit */
2763 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i)
2764 new_crtc_state->active_changed = true;
2767 * atomic_check is expected to create the dc states. We need to release
2768 * them here, since they were duplicated as part of the suspend
2771 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) {
2772 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
2773 if (dm_new_crtc_state->stream) {
2774 WARN_ON(kref_read(&dm_new_crtc_state->stream->refcount) > 1);
2775 dc_stream_release(dm_new_crtc_state->stream);
2776 dm_new_crtc_state->stream = NULL;
2780 for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) {
2781 dm_new_plane_state = to_dm_plane_state(new_plane_state);
2782 if (dm_new_plane_state->dc_state) {
2783 WARN_ON(kref_read(&dm_new_plane_state->dc_state->refcount) > 1);
2784 dc_plane_state_release(dm_new_plane_state->dc_state);
2785 dm_new_plane_state->dc_state = NULL;
2789 drm_atomic_helper_resume(ddev, dm->cached_state);
2791 dm->cached_state = NULL;
2793 amdgpu_dm_irq_resume_late(adev);
2795 amdgpu_dm_smu_write_watermarks_table(adev);
2803 * DM (and consequently DC) is registered in the amdgpu base driver as a IP
2804 * block. When CONFIG_DRM_AMD_DC is enabled, the DM device IP block is added to
2805 * the base driver's device list to be initialized and torn down accordingly.
2807 * The functions to do so are provided as hooks in &struct amd_ip_funcs.
2810 static const struct amd_ip_funcs amdgpu_dm_funcs = {
2812 .early_init = dm_early_init,
2813 .late_init = dm_late_init,
2814 .sw_init = dm_sw_init,
2815 .sw_fini = dm_sw_fini,
2816 .early_fini = amdgpu_dm_early_fini,
2817 .hw_init = dm_hw_init,
2818 .hw_fini = dm_hw_fini,
2819 .suspend = dm_suspend,
2820 .resume = dm_resume,
2821 .is_idle = dm_is_idle,
2822 .wait_for_idle = dm_wait_for_idle,
2823 .check_soft_reset = dm_check_soft_reset,
2824 .soft_reset = dm_soft_reset,
2825 .set_clockgating_state = dm_set_clockgating_state,
2826 .set_powergating_state = dm_set_powergating_state,
2829 const struct amdgpu_ip_block_version dm_ip_block =
2831 .type = AMD_IP_BLOCK_TYPE_DCE,
2835 .funcs = &amdgpu_dm_funcs,
2845 static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
2846 .fb_create = amdgpu_display_user_framebuffer_create,
2847 .get_format_info = amd_get_format_info,
2848 .atomic_check = amdgpu_dm_atomic_check,
2849 .atomic_commit = drm_atomic_helper_commit,
2852 static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = {
2853 .atomic_commit_tail = amdgpu_dm_atomic_commit_tail,
2854 .atomic_commit_setup = drm_dp_mst_atomic_setup_commit,
2857 static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
2859 struct amdgpu_dm_backlight_caps *caps;
2860 struct amdgpu_display_manager *dm;
2861 struct drm_connector *conn_base;
2862 struct amdgpu_device *adev;
2863 struct dc_link *link = NULL;
2864 struct drm_luminance_range_info *luminance_range;
2867 if (!aconnector || !aconnector->dc_link)
2870 link = aconnector->dc_link;
2871 if (link->connector_signal != SIGNAL_TYPE_EDP)
2874 conn_base = &aconnector->base;
2875 adev = drm_to_adev(conn_base->dev);
2877 for (i = 0; i < dm->num_of_edps; i++) {
2878 if (link == dm->backlight_link[i])
2881 if (i >= dm->num_of_edps)
2883 caps = &dm->backlight_caps[i];
2884 caps->ext_caps = &aconnector->dc_link->dpcd_sink_ext_caps;
2885 caps->aux_support = false;
2887 if (caps->ext_caps->bits.oled == 1 /*||
2888 caps->ext_caps->bits.sdr_aux_backlight_control == 1 ||
2889 caps->ext_caps->bits.hdr_aux_backlight_control == 1*/)
2890 caps->aux_support = true;
2892 if (amdgpu_backlight == 0)
2893 caps->aux_support = false;
2894 else if (amdgpu_backlight == 1)
2895 caps->aux_support = true;
2897 luminance_range = &conn_base->display_info.luminance_range;
2898 caps->aux_min_input_signal = luminance_range->min_luminance;
2899 caps->aux_max_input_signal = luminance_range->max_luminance;
2902 void amdgpu_dm_update_connector_after_detect(
2903 struct amdgpu_dm_connector *aconnector)
2905 struct drm_connector *connector = &aconnector->base;
2906 struct drm_device *dev = connector->dev;
2907 struct dc_sink *sink;
2909 /* MST handled by drm_mst framework */
2910 if (aconnector->mst_mgr.mst_state == true)
2913 sink = aconnector->dc_link->local_sink;
2915 dc_sink_retain(sink);
2918 * Edid mgmt connector gets first update only in mode_valid hook and then
2919 * the connector sink is set to either fake or physical sink depends on link status.
2920 * Skip if already done during boot.
2922 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED
2923 && aconnector->dc_em_sink) {
2926 * For S3 resume with headless use eml_sink to fake stream
2927 * because on resume connector->sink is set to NULL
2929 mutex_lock(&dev->mode_config.mutex);
2932 if (aconnector->dc_sink) {
2933 amdgpu_dm_update_freesync_caps(connector, NULL);
2935 * retain and release below are used to
2936 * bump up refcount for sink because the link doesn't point
2937 * to it anymore after disconnect, so on next crtc to connector
2938 * reshuffle by UMD we will get into unwanted dc_sink release
2940 dc_sink_release(aconnector->dc_sink);
2942 aconnector->dc_sink = sink;
2943 dc_sink_retain(aconnector->dc_sink);
2944 amdgpu_dm_update_freesync_caps(connector,
2947 amdgpu_dm_update_freesync_caps(connector, NULL);
2948 if (!aconnector->dc_sink) {
2949 aconnector->dc_sink = aconnector->dc_em_sink;
2950 dc_sink_retain(aconnector->dc_sink);
2954 mutex_unlock(&dev->mode_config.mutex);
2957 dc_sink_release(sink);
2962 * TODO: temporary guard to look for proper fix
2963 * if this sink is MST sink, we should not do anything
2965 if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
2966 dc_sink_release(sink);
2970 if (aconnector->dc_sink == sink) {
2972 * We got a DP short pulse (Link Loss, DP CTS, etc...).
2975 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n",
2976 aconnector->connector_id);
2978 dc_sink_release(sink);
2982 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
2983 aconnector->connector_id, aconnector->dc_sink, sink);
2985 mutex_lock(&dev->mode_config.mutex);
2988 * 1. Update status of the drm connector
2989 * 2. Send an event and let userspace tell us what to do
2993 * TODO: check if we still need the S3 mode update workaround.
2994 * If yes, put it here.
2996 if (aconnector->dc_sink) {
2997 amdgpu_dm_update_freesync_caps(connector, NULL);
2998 dc_sink_release(aconnector->dc_sink);
3001 aconnector->dc_sink = sink;
3002 dc_sink_retain(aconnector->dc_sink);
3003 if (sink->dc_edid.length == 0) {
3004 aconnector->edid = NULL;
3005 if (aconnector->dc_link->aux_mode) {
3006 drm_dp_cec_unset_edid(
3007 &aconnector->dm_dp_aux.aux);
3011 (struct edid *)sink->dc_edid.raw_edid;
3013 if (aconnector->dc_link->aux_mode)
3014 drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
3018 drm_connector_update_edid_property(connector, aconnector->edid);
3019 amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
3020 update_connector_ext_caps(aconnector);
3022 drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
3023 amdgpu_dm_update_freesync_caps(connector, NULL);
3024 drm_connector_update_edid_property(connector, NULL);
3025 aconnector->num_modes = 0;
3026 dc_sink_release(aconnector->dc_sink);
3027 aconnector->dc_sink = NULL;
3028 aconnector->edid = NULL;
3029 #ifdef CONFIG_DRM_AMD_DC_HDCP
3030 /* Set CP to DESIRED if it was ENABLED, so we can re-enable it again on hotplug */
3031 if (connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED)
3032 connector->state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED;
3036 mutex_unlock(&dev->mode_config.mutex);
3038 update_subconnector_property(aconnector);
3041 dc_sink_release(sink);
3044 static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector)
3046 struct drm_connector *connector = &aconnector->base;
3047 struct drm_device *dev = connector->dev;
3048 enum dc_connection_type new_connection_type = dc_connection_none;
3049 struct amdgpu_device *adev = drm_to_adev(dev);
3050 #ifdef CONFIG_DRM_AMD_DC_HDCP
3051 struct dm_connector_state *dm_con_state = to_dm_connector_state(connector->state);
3055 if (adev->dm.disable_hpd_irq)
3059 * In case of failure or MST no need to update connector status or notify the OS
3060 * since (for MST case) MST does this in its own context.
3062 mutex_lock(&aconnector->hpd_lock);
3064 #ifdef CONFIG_DRM_AMD_DC_HDCP
3065 if (adev->dm.hdcp_workqueue) {
3066 hdcp_reset_display(adev->dm.hdcp_workqueue, aconnector->dc_link->link_index);
3067 dm_con_state->update_hdcp = true;
3070 if (aconnector->fake_enable)
3071 aconnector->fake_enable = false;
3073 if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
3074 DRM_ERROR("KMS: Failed to detect connector\n");
3076 if (aconnector->base.force && new_connection_type == dc_connection_none) {
3077 emulated_link_detect(aconnector->dc_link);
3079 drm_modeset_lock_all(dev);
3080 dm_restore_drm_connector_state(dev, connector);
3081 drm_modeset_unlock_all(dev);
3083 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
3084 drm_kms_helper_connector_hotplug_event(connector);
3086 mutex_lock(&adev->dm.dc_lock);
3087 ret = dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD);
3088 mutex_unlock(&adev->dm.dc_lock);
3090 amdgpu_dm_update_connector_after_detect(aconnector);
3092 drm_modeset_lock_all(dev);
3093 dm_restore_drm_connector_state(dev, connector);
3094 drm_modeset_unlock_all(dev);
3096 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
3097 drm_kms_helper_connector_hotplug_event(connector);
3100 mutex_unlock(&aconnector->hpd_lock);
3104 static void handle_hpd_irq(void *param)
3106 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
3108 handle_hpd_irq_helper(aconnector);
3112 static void dm_handle_mst_sideband_msg(struct amdgpu_dm_connector *aconnector)
3114 uint8_t esi[DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI] = { 0 };
3116 bool new_irq_handled = false;
3118 int dpcd_bytes_to_read;
3120 const int max_process_count = 30;
3121 int process_count = 0;
3123 const struct dc_link_status *link_status = dc_link_get_status(aconnector->dc_link);
3125 if (link_status->dpcd_caps->dpcd_rev.raw < 0x12) {
3126 dpcd_bytes_to_read = DP_LANE0_1_STATUS - DP_SINK_COUNT;
3127 /* DPCD 0x200 - 0x201 for downstream IRQ */
3128 dpcd_addr = DP_SINK_COUNT;
3130 dpcd_bytes_to_read = DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI;
3131 /* DPCD 0x2002 - 0x2005 for downstream IRQ */
3132 dpcd_addr = DP_SINK_COUNT_ESI;
3135 dret = drm_dp_dpcd_read(
3136 &aconnector->dm_dp_aux.aux,
3139 dpcd_bytes_to_read);
3141 while (dret == dpcd_bytes_to_read &&
3142 process_count < max_process_count) {
3148 DRM_DEBUG_DRIVER("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]);
3149 /* handle HPD short pulse irq */
3150 if (aconnector->mst_mgr.mst_state)
3152 &aconnector->mst_mgr,
3156 if (new_irq_handled) {
3157 /* ACK at DPCD to notify down stream */
3158 const int ack_dpcd_bytes_to_write =
3159 dpcd_bytes_to_read - 1;
3161 for (retry = 0; retry < 3; retry++) {
3164 wret = drm_dp_dpcd_write(
3165 &aconnector->dm_dp_aux.aux,
3168 ack_dpcd_bytes_to_write);
3169 if (wret == ack_dpcd_bytes_to_write)
3173 /* check if there is new irq to be handled */
3174 dret = drm_dp_dpcd_read(
3175 &aconnector->dm_dp_aux.aux,
3178 dpcd_bytes_to_read);
3180 new_irq_handled = false;
3186 if (process_count == max_process_count)
3187 DRM_DEBUG_DRIVER("Loop exceeded max iterations\n");
3190 static void schedule_hpd_rx_offload_work(struct hpd_rx_irq_offload_work_queue *offload_wq,
3191 union hpd_irq_data hpd_irq_data)
3193 struct hpd_rx_irq_offload_work *offload_work =
3194 kzalloc(sizeof(*offload_work), GFP_KERNEL);
3196 if (!offload_work) {
3197 DRM_ERROR("Failed to allocate hpd_rx_irq_offload_work.\n");
3201 INIT_WORK(&offload_work->work, dm_handle_hpd_rx_offload_work);
3202 offload_work->data = hpd_irq_data;
3203 offload_work->offload_wq = offload_wq;
3205 queue_work(offload_wq->wq, &offload_work->work);
3206 DRM_DEBUG_KMS("queue work to handle hpd_rx offload work");
3209 static void handle_hpd_rx_irq(void *param)
3211 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
3212 struct drm_connector *connector = &aconnector->base;
3213 struct drm_device *dev = connector->dev;
3214 struct dc_link *dc_link = aconnector->dc_link;
3215 bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
3216 bool result = false;
3217 enum dc_connection_type new_connection_type = dc_connection_none;
3218 struct amdgpu_device *adev = drm_to_adev(dev);
3219 union hpd_irq_data hpd_irq_data;
3220 bool link_loss = false;
3221 bool has_left_work = false;
3222 int idx = aconnector->base.index;
3223 struct hpd_rx_irq_offload_work_queue *offload_wq = &adev->dm.hpd_rx_offload_wq[idx];
3225 memset(&hpd_irq_data, 0, sizeof(hpd_irq_data));
3227 if (adev->dm.disable_hpd_irq)
3231 * TODO:Temporary add mutex to protect hpd interrupt not have a gpio
3232 * conflict, after implement i2c helper, this mutex should be
3235 mutex_lock(&aconnector->hpd_lock);
3237 result = dc_link_handle_hpd_rx_irq(dc_link, &hpd_irq_data,
3238 &link_loss, true, &has_left_work);
3243 if (hpd_irq_data.bytes.device_service_irq.bits.AUTOMATED_TEST) {
3244 schedule_hpd_rx_offload_work(offload_wq, hpd_irq_data);
3248 if (dc_link_dp_allow_hpd_rx_irq(dc_link)) {
3249 if (hpd_irq_data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY ||
3250 hpd_irq_data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY) {
3251 dm_handle_mst_sideband_msg(aconnector);
3258 spin_lock(&offload_wq->offload_lock);
3259 skip = offload_wq->is_handling_link_loss;
3262 offload_wq->is_handling_link_loss = true;
3264 spin_unlock(&offload_wq->offload_lock);
3267 schedule_hpd_rx_offload_work(offload_wq, hpd_irq_data);
3274 if (result && !is_mst_root_connector) {
3275 /* Downstream Port status changed. */
3276 if (!dc_link_detect_sink(dc_link, &new_connection_type))
3277 DRM_ERROR("KMS: Failed to detect connector\n");
3279 if (aconnector->base.force && new_connection_type == dc_connection_none) {
3280 emulated_link_detect(dc_link);
3282 if (aconnector->fake_enable)
3283 aconnector->fake_enable = false;
3285 amdgpu_dm_update_connector_after_detect(aconnector);
3288 drm_modeset_lock_all(dev);
3289 dm_restore_drm_connector_state(dev, connector);
3290 drm_modeset_unlock_all(dev);
3292 drm_kms_helper_connector_hotplug_event(connector);
3296 mutex_lock(&adev->dm.dc_lock);
3297 ret = dc_link_detect(dc_link, DETECT_REASON_HPDRX);
3298 mutex_unlock(&adev->dm.dc_lock);
3301 if (aconnector->fake_enable)
3302 aconnector->fake_enable = false;
3304 amdgpu_dm_update_connector_after_detect(aconnector);
3306 drm_modeset_lock_all(dev);
3307 dm_restore_drm_connector_state(dev, connector);
3308 drm_modeset_unlock_all(dev);
3310 drm_kms_helper_connector_hotplug_event(connector);
3314 #ifdef CONFIG_DRM_AMD_DC_HDCP
3315 if (hpd_irq_data.bytes.device_service_irq.bits.CP_IRQ) {
3316 if (adev->dm.hdcp_workqueue)
3317 hdcp_handle_cpirq(adev->dm.hdcp_workqueue, aconnector->base.index);
3321 if (dc_link->type != dc_connection_mst_branch)
3322 drm_dp_cec_irq(&aconnector->dm_dp_aux.aux);
3324 mutex_unlock(&aconnector->hpd_lock);
3327 static void register_hpd_handlers(struct amdgpu_device *adev)
3329 struct drm_device *dev = adev_to_drm(adev);
3330 struct drm_connector *connector;
3331 struct amdgpu_dm_connector *aconnector;
3332 const struct dc_link *dc_link;
3333 struct dc_interrupt_params int_params = {0};
3335 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
3336 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
3338 list_for_each_entry(connector,
3339 &dev->mode_config.connector_list, head) {
3341 aconnector = to_amdgpu_dm_connector(connector);
3342 dc_link = aconnector->dc_link;
3344 if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) {
3345 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
3346 int_params.irq_source = dc_link->irq_source_hpd;
3348 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3350 (void *) aconnector);
3353 if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) {
3355 /* Also register for DP short pulse (hpd_rx). */
3356 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
3357 int_params.irq_source = dc_link->irq_source_hpd_rx;
3359 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3361 (void *) aconnector);
3363 if (adev->dm.hpd_rx_offload_wq)
3364 adev->dm.hpd_rx_offload_wq[connector->index].aconnector =
3370 #if defined(CONFIG_DRM_AMD_DC_SI)
3371 /* Register IRQ sources and initialize IRQ callbacks */
3372 static int dce60_register_irq_handlers(struct amdgpu_device *adev)
3374 struct dc *dc = adev->dm.dc;
3375 struct common_irq_params *c_irq_params;
3376 struct dc_interrupt_params int_params = {0};
3379 unsigned client_id = AMDGPU_IRQ_CLIENTID_LEGACY;
3381 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
3382 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
3385 * Actions of amdgpu_irq_add_id():
3386 * 1. Register a set() function with base driver.
3387 * Base driver will call set() function to enable/disable an
3388 * interrupt in DC hardware.
3389 * 2. Register amdgpu_dm_irq_handler().
3390 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
3391 * coming from DC hardware.
3392 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
3393 * for acknowledging and handling. */
3395 /* Use VBLANK interrupt */
3396 for (i = 0; i < adev->mode_info.num_crtc; i++) {
3397 r = amdgpu_irq_add_id(adev, client_id, i+1 , &adev->crtc_irq);
3399 DRM_ERROR("Failed to add crtc irq id!\n");
3403 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3404 int_params.irq_source =
3405 dc_interrupt_to_irq_source(dc, i+1 , 0);
3407 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
3409 c_irq_params->adev = adev;
3410 c_irq_params->irq_src = int_params.irq_source;
3412 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3413 dm_crtc_high_irq, c_irq_params);
3416 /* Use GRPH_PFLIP interrupt */
3417 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP;
3418 i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) {
3419 r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq);
3421 DRM_ERROR("Failed to add page flip irq id!\n");
3425 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3426 int_params.irq_source =
3427 dc_interrupt_to_irq_source(dc, i, 0);
3429 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
3431 c_irq_params->adev = adev;
3432 c_irq_params->irq_src = int_params.irq_source;
3434 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3435 dm_pflip_high_irq, c_irq_params);
3440 r = amdgpu_irq_add_id(adev, client_id,
3441 VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
3443 DRM_ERROR("Failed to add hpd irq id!\n");
3447 register_hpd_handlers(adev);
3453 /* Register IRQ sources and initialize IRQ callbacks */
3454 static int dce110_register_irq_handlers(struct amdgpu_device *adev)
3456 struct dc *dc = adev->dm.dc;
3457 struct common_irq_params *c_irq_params;
3458 struct dc_interrupt_params int_params = {0};
3461 unsigned client_id = AMDGPU_IRQ_CLIENTID_LEGACY;
3463 if (adev->family >= AMDGPU_FAMILY_AI)
3464 client_id = SOC15_IH_CLIENTID_DCE;
3466 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
3467 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
3470 * Actions of amdgpu_irq_add_id():
3471 * 1. Register a set() function with base driver.
3472 * Base driver will call set() function to enable/disable an
3473 * interrupt in DC hardware.
3474 * 2. Register amdgpu_dm_irq_handler().
3475 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
3476 * coming from DC hardware.
3477 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
3478 * for acknowledging and handling. */
3480 /* Use VBLANK interrupt */
3481 for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) {
3482 r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq);
3484 DRM_ERROR("Failed to add crtc irq id!\n");
3488 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3489 int_params.irq_source =
3490 dc_interrupt_to_irq_source(dc, i, 0);
3492 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
3494 c_irq_params->adev = adev;
3495 c_irq_params->irq_src = int_params.irq_source;
3497 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3498 dm_crtc_high_irq, c_irq_params);
3501 /* Use VUPDATE interrupt */
3502 for (i = VISLANDS30_IV_SRCID_D1_V_UPDATE_INT; i <= VISLANDS30_IV_SRCID_D6_V_UPDATE_INT; i += 2) {
3503 r = amdgpu_irq_add_id(adev, client_id, i, &adev->vupdate_irq);
3505 DRM_ERROR("Failed to add vupdate irq id!\n");
3509 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3510 int_params.irq_source =
3511 dc_interrupt_to_irq_source(dc, i, 0);
3513 c_irq_params = &adev->dm.vupdate_params[int_params.irq_source - DC_IRQ_SOURCE_VUPDATE1];
3515 c_irq_params->adev = adev;
3516 c_irq_params->irq_src = int_params.irq_source;
3518 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3519 dm_vupdate_high_irq, c_irq_params);
3522 /* Use GRPH_PFLIP interrupt */
3523 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP;
3524 i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) {
3525 r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq);
3527 DRM_ERROR("Failed to add page flip irq id!\n");
3531 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3532 int_params.irq_source =
3533 dc_interrupt_to_irq_source(dc, i, 0);
3535 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
3537 c_irq_params->adev = adev;
3538 c_irq_params->irq_src = int_params.irq_source;
3540 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3541 dm_pflip_high_irq, c_irq_params);
3546 r = amdgpu_irq_add_id(adev, client_id,
3547 VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
3549 DRM_ERROR("Failed to add hpd irq id!\n");
3553 register_hpd_handlers(adev);
3558 /* Register IRQ sources and initialize IRQ callbacks */
3559 static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
3561 struct dc *dc = adev->dm.dc;
3562 struct common_irq_params *c_irq_params;
3563 struct dc_interrupt_params int_params = {0};
3566 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
3567 static const unsigned int vrtl_int_srcid[] = {
3568 DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL,
3569 DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL,
3570 DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL,
3571 DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL,
3572 DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL,
3573 DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL
3577 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
3578 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
3581 * Actions of amdgpu_irq_add_id():
3582 * 1. Register a set() function with base driver.
3583 * Base driver will call set() function to enable/disable an
3584 * interrupt in DC hardware.
3585 * 2. Register amdgpu_dm_irq_handler().
3586 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
3587 * coming from DC hardware.
3588 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
3589 * for acknowledging and handling.
3592 /* Use VSTARTUP interrupt */
3593 for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP;
3594 i <= DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP + adev->mode_info.num_crtc - 1;
3596 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->crtc_irq);
3599 DRM_ERROR("Failed to add crtc irq id!\n");
3603 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3604 int_params.irq_source =
3605 dc_interrupt_to_irq_source(dc, i, 0);
3607 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
3609 c_irq_params->adev = adev;
3610 c_irq_params->irq_src = int_params.irq_source;
3612 amdgpu_dm_irq_register_interrupt(
3613 adev, &int_params, dm_crtc_high_irq, c_irq_params);
3616 /* Use otg vertical line interrupt */
3617 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
3618 for (i = 0; i <= adev->mode_info.num_crtc - 1; i++) {
3619 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE,
3620 vrtl_int_srcid[i], &adev->vline0_irq);
3623 DRM_ERROR("Failed to add vline0 irq id!\n");
3627 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3628 int_params.irq_source =
3629 dc_interrupt_to_irq_source(dc, vrtl_int_srcid[i], 0);
3631 if (int_params.irq_source == DC_IRQ_SOURCE_INVALID) {
3632 DRM_ERROR("Failed to register vline0 irq %d!\n", vrtl_int_srcid[i]);
3636 c_irq_params = &adev->dm.vline0_params[int_params.irq_source
3637 - DC_IRQ_SOURCE_DC1_VLINE0];
3639 c_irq_params->adev = adev;
3640 c_irq_params->irq_src = int_params.irq_source;
3642 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3643 dm_dcn_vertical_interrupt0_high_irq, c_irq_params);
3647 /* Use VUPDATE_NO_LOCK interrupt on DCN, which seems to correspond to
3648 * the regular VUPDATE interrupt on DCE. We want DC_IRQ_SOURCE_VUPDATEx
3649 * to trigger at end of each vblank, regardless of state of the lock,
3650 * matching DCE behaviour.
3652 for (i = DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT;
3653 i <= DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT + adev->mode_info.num_crtc - 1;
3655 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->vupdate_irq);
3658 DRM_ERROR("Failed to add vupdate irq id!\n");
3662 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3663 int_params.irq_source =
3664 dc_interrupt_to_irq_source(dc, i, 0);
3666 c_irq_params = &adev->dm.vupdate_params[int_params.irq_source - DC_IRQ_SOURCE_VUPDATE1];
3668 c_irq_params->adev = adev;
3669 c_irq_params->irq_src = int_params.irq_source;
3671 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3672 dm_vupdate_high_irq, c_irq_params);
3675 /* Use GRPH_PFLIP interrupt */
3676 for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT;
3677 i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + dc->caps.max_otg_num - 1;
3679 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq);
3681 DRM_ERROR("Failed to add page flip irq id!\n");
3685 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
3686 int_params.irq_source =
3687 dc_interrupt_to_irq_source(dc, i, 0);
3689 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
3691 c_irq_params->adev = adev;
3692 c_irq_params->irq_src = int_params.irq_source;
3694 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3695 dm_pflip_high_irq, c_irq_params);
3700 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DC_HPD1_INT,
3703 DRM_ERROR("Failed to add hpd irq id!\n");
3707 register_hpd_handlers(adev);
3711 /* Register Outbox IRQ sources and initialize IRQ callbacks */
3712 static int register_outbox_irq_handlers(struct amdgpu_device *adev)
3714 struct dc *dc = adev->dm.dc;
3715 struct common_irq_params *c_irq_params;
3716 struct dc_interrupt_params int_params = {0};
3719 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
3720 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
3722 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT,
3723 &adev->dmub_outbox_irq);
3725 DRM_ERROR("Failed to add outbox irq id!\n");
3729 if (dc->ctx->dmub_srv) {
3730 i = DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT;
3731 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
3732 int_params.irq_source =
3733 dc_interrupt_to_irq_source(dc, i, 0);
3735 c_irq_params = &adev->dm.dmub_outbox_params[0];
3737 c_irq_params->adev = adev;
3738 c_irq_params->irq_src = int_params.irq_source;
3740 amdgpu_dm_irq_register_interrupt(adev, &int_params,
3741 dm_dmub_outbox1_low_irq, c_irq_params);
3748 * Acquires the lock for the atomic state object and returns
3749 * the new atomic state.
3751 * This should only be called during atomic check.
3753 int dm_atomic_get_state(struct drm_atomic_state *state,
3754 struct dm_atomic_state **dm_state)
3756 struct drm_device *dev = state->dev;
3757 struct amdgpu_device *adev = drm_to_adev(dev);
3758 struct amdgpu_display_manager *dm = &adev->dm;
3759 struct drm_private_state *priv_state;
3764 priv_state = drm_atomic_get_private_obj_state(state, &dm->atomic_obj);
3765 if (IS_ERR(priv_state))
3766 return PTR_ERR(priv_state);
3768 *dm_state = to_dm_atomic_state(priv_state);
3773 static struct dm_atomic_state *
3774 dm_atomic_get_new_state(struct drm_atomic_state *state)
3776 struct drm_device *dev = state->dev;
3777 struct amdgpu_device *adev = drm_to_adev(dev);
3778 struct amdgpu_display_manager *dm = &adev->dm;
3779 struct drm_private_obj *obj;
3780 struct drm_private_state *new_obj_state;
3783 for_each_new_private_obj_in_state(state, obj, new_obj_state, i) {
3784 if (obj->funcs == dm->atomic_obj.funcs)
3785 return to_dm_atomic_state(new_obj_state);
3791 static struct drm_private_state *
3792 dm_atomic_duplicate_state(struct drm_private_obj *obj)
3794 struct dm_atomic_state *old_state, *new_state;
3796 new_state = kzalloc(sizeof(*new_state), GFP_KERNEL);
3800 __drm_atomic_helper_private_obj_duplicate_state(obj, &new_state->base);
3802 old_state = to_dm_atomic_state(obj->state);
3804 if (old_state && old_state->context)
3805 new_state->context = dc_copy_state(old_state->context);
3807 if (!new_state->context) {
3812 return &new_state->base;
3815 static void dm_atomic_destroy_state(struct drm_private_obj *obj,
3816 struct drm_private_state *state)
3818 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
3820 if (dm_state && dm_state->context)
3821 dc_release_state(dm_state->context);
3826 static struct drm_private_state_funcs dm_atomic_state_funcs = {
3827 .atomic_duplicate_state = dm_atomic_duplicate_state,
3828 .atomic_destroy_state = dm_atomic_destroy_state,
3831 static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
3833 struct dm_atomic_state *state;
3836 adev->mode_info.mode_config_initialized = true;
3838 adev_to_drm(adev)->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs;
3839 adev_to_drm(adev)->mode_config.helper_private = &amdgpu_dm_mode_config_helperfuncs;
3841 adev_to_drm(adev)->mode_config.max_width = 16384;
3842 adev_to_drm(adev)->mode_config.max_height = 16384;
3844 adev_to_drm(adev)->mode_config.preferred_depth = 24;
3845 if (adev->asic_type == CHIP_HAWAII)
3846 /* disable prefer shadow for now due to hibernation issues */
3847 adev_to_drm(adev)->mode_config.prefer_shadow = 0;
3849 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
3850 /* indicates support for immediate flip */
3851 adev_to_drm(adev)->mode_config.async_page_flip = true;
3853 state = kzalloc(sizeof(*state), GFP_KERNEL);
3857 state->context = dc_create_state(adev->dm.dc);
3858 if (!state->context) {
3863 dc_resource_state_copy_construct_current(adev->dm.dc, state->context);
3865 drm_atomic_private_obj_init(adev_to_drm(adev),
3866 &adev->dm.atomic_obj,
3868 &dm_atomic_state_funcs);
3870 r = amdgpu_display_modeset_create_props(adev);
3872 dc_release_state(state->context);
3877 r = amdgpu_dm_audio_init(adev);
3879 dc_release_state(state->context);
3887 #define AMDGPU_DM_DEFAULT_MIN_BACKLIGHT 12
3888 #define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255
3889 #define AUX_BL_DEFAULT_TRANSITION_TIME_MS 50
3891 static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm,
3894 #if defined(CONFIG_ACPI)
3895 struct amdgpu_dm_backlight_caps caps;
3897 memset(&caps, 0, sizeof(caps));
3899 if (dm->backlight_caps[bl_idx].caps_valid)
3902 amdgpu_acpi_get_backlight_caps(&caps);
3903 if (caps.caps_valid) {
3904 dm->backlight_caps[bl_idx].caps_valid = true;
3905 if (caps.aux_support)
3907 dm->backlight_caps[bl_idx].min_input_signal = caps.min_input_signal;
3908 dm->backlight_caps[bl_idx].max_input_signal = caps.max_input_signal;
3910 dm->backlight_caps[bl_idx].min_input_signal =
3911 AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
3912 dm->backlight_caps[bl_idx].max_input_signal =
3913 AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
3916 if (dm->backlight_caps[bl_idx].aux_support)
3919 dm->backlight_caps[bl_idx].min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
3920 dm->backlight_caps[bl_idx].max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
3924 static int get_brightness_range(const struct amdgpu_dm_backlight_caps *caps,
3925 unsigned *min, unsigned *max)
3930 if (caps->aux_support) {
3931 // Firmware limits are in nits, DC API wants millinits.
3932 *max = 1000 * caps->aux_max_input_signal;
3933 *min = 1000 * caps->aux_min_input_signal;
3935 // Firmware limits are 8-bit, PWM control is 16-bit.
3936 *max = 0x101 * caps->max_input_signal;
3937 *min = 0x101 * caps->min_input_signal;
3942 static u32 convert_brightness_from_user(const struct amdgpu_dm_backlight_caps *caps,
3943 uint32_t brightness)
3947 if (!get_brightness_range(caps, &min, &max))
3950 // Rescale 0..255 to min..max
3951 return min + DIV_ROUND_CLOSEST((max - min) * brightness,
3952 AMDGPU_MAX_BL_LEVEL);
3955 static u32 convert_brightness_to_user(const struct amdgpu_dm_backlight_caps *caps,
3956 uint32_t brightness)
3960 if (!get_brightness_range(caps, &min, &max))
3963 if (brightness < min)
3965 // Rescale min..max to 0..255
3966 return DIV_ROUND_CLOSEST(AMDGPU_MAX_BL_LEVEL * (brightness - min),
3970 static void amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm,
3972 u32 user_brightness)
3974 struct amdgpu_dm_backlight_caps caps;
3975 struct dc_link *link;
3979 amdgpu_dm_update_backlight_caps(dm, bl_idx);
3980 caps = dm->backlight_caps[bl_idx];
3982 dm->brightness[bl_idx] = user_brightness;
3983 /* update scratch register */
3985 amdgpu_atombios_scratch_regs_set_backlight_level(dm->adev, dm->brightness[bl_idx]);
3986 brightness = convert_brightness_from_user(&caps, dm->brightness[bl_idx]);
3987 link = (struct dc_link *)dm->backlight_link[bl_idx];
3989 /* Change brightness based on AUX property */
3990 if (caps.aux_support) {
3991 rc = dc_link_set_backlight_level_nits(link, true, brightness,
3992 AUX_BL_DEFAULT_TRANSITION_TIME_MS);
3994 DRM_DEBUG("DM: Failed to update backlight via AUX on eDP[%d]\n", bl_idx);
3996 rc = dc_link_set_backlight_level(link, brightness, 0);
3998 DRM_DEBUG("DM: Failed to update backlight on eDP[%d]\n", bl_idx);
4002 dm->actual_brightness[bl_idx] = user_brightness;
4005 static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
4007 struct amdgpu_display_manager *dm = bl_get_data(bd);
4010 for (i = 0; i < dm->num_of_edps; i++) {
4011 if (bd == dm->backlight_dev[i])
4014 if (i >= AMDGPU_DM_MAX_NUM_EDP)
4016 amdgpu_dm_backlight_set_level(dm, i, bd->props.brightness);
4021 static u32 amdgpu_dm_backlight_get_level(struct amdgpu_display_manager *dm,
4024 struct amdgpu_dm_backlight_caps caps;
4025 struct dc_link *link = (struct dc_link *)dm->backlight_link[bl_idx];
4027 amdgpu_dm_update_backlight_caps(dm, bl_idx);
4028 caps = dm->backlight_caps[bl_idx];
4030 if (caps.aux_support) {
4034 rc = dc_link_get_backlight_level_nits(link, &avg, &peak);
4036 return dm->brightness[bl_idx];
4037 return convert_brightness_to_user(&caps, avg);
4039 int ret = dc_link_get_backlight_level(link);
4041 if (ret == DC_ERROR_UNEXPECTED)
4042 return dm->brightness[bl_idx];
4043 return convert_brightness_to_user(&caps, ret);
4047 static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
4049 struct amdgpu_display_manager *dm = bl_get_data(bd);
4052 for (i = 0; i < dm->num_of_edps; i++) {
4053 if (bd == dm->backlight_dev[i])
4056 if (i >= AMDGPU_DM_MAX_NUM_EDP)
4058 return amdgpu_dm_backlight_get_level(dm, i);
4061 static const struct backlight_ops amdgpu_dm_backlight_ops = {
4062 .options = BL_CORE_SUSPENDRESUME,
4063 .get_brightness = amdgpu_dm_backlight_get_brightness,
4064 .update_status = amdgpu_dm_backlight_update_status,
4068 amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
4071 struct backlight_properties props = { 0 };
4073 amdgpu_dm_update_backlight_caps(dm, dm->num_of_edps);
4074 dm->brightness[dm->num_of_edps] = AMDGPU_MAX_BL_LEVEL;
4076 if (!acpi_video_backlight_use_native()) {
4077 drm_info(adev_to_drm(dm->adev), "Skipping amdgpu DM backlight registration\n");
4078 /* Try registering an ACPI video backlight device instead. */
4079 acpi_video_register_backlight();
4083 props.max_brightness = AMDGPU_MAX_BL_LEVEL;
4084 props.brightness = AMDGPU_MAX_BL_LEVEL;
4085 props.type = BACKLIGHT_RAW;
4087 snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d",
4088 adev_to_drm(dm->adev)->primary->index + dm->num_of_edps);
4090 dm->backlight_dev[dm->num_of_edps] = backlight_device_register(bl_name,
4091 adev_to_drm(dm->adev)->dev,
4093 &amdgpu_dm_backlight_ops,
4096 if (IS_ERR(dm->backlight_dev[dm->num_of_edps]))
4097 DRM_ERROR("DM: Backlight registration failed!\n");
4099 DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
4102 static int initialize_plane(struct amdgpu_display_manager *dm,
4103 struct amdgpu_mode_info *mode_info, int plane_id,
4104 enum drm_plane_type plane_type,
4105 const struct dc_plane_cap *plane_cap)
4107 struct drm_plane *plane;
4108 unsigned long possible_crtcs;
4111 plane = kzalloc(sizeof(struct drm_plane), GFP_KERNEL);
4113 DRM_ERROR("KMS: Failed to allocate plane\n");
4116 plane->type = plane_type;
4119 * HACK: IGT tests expect that the primary plane for a CRTC
4120 * can only have one possible CRTC. Only expose support for
4121 * any CRTC if they're not going to be used as a primary plane
4122 * for a CRTC - like overlay or underlay planes.
4124 possible_crtcs = 1 << plane_id;
4125 if (plane_id >= dm->dc->caps.max_streams)
4126 possible_crtcs = 0xff;
4128 ret = amdgpu_dm_plane_init(dm, plane, possible_crtcs, plane_cap);
4131 DRM_ERROR("KMS: Failed to initialize plane\n");
4137 mode_info->planes[plane_id] = plane;
4143 static void register_backlight_device(struct amdgpu_display_manager *dm,
4144 struct dc_link *link)
4146 if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
4147 link->type != dc_connection_none) {
4149 * Event if registration failed, we should continue with
4150 * DM initialization because not having a backlight control
4151 * is better then a black screen.
4153 if (!dm->backlight_dev[dm->num_of_edps])
4154 amdgpu_dm_register_backlight_device(dm);
4156 if (dm->backlight_dev[dm->num_of_edps]) {
4157 dm->backlight_link[dm->num_of_edps] = link;
4163 static void amdgpu_set_panel_orientation(struct drm_connector *connector);
4166 * In this architecture, the association
4167 * connector -> encoder -> crtc
4168 * id not really requried. The crtc and connector will hold the
4169 * display_index as an abstraction to use with DAL component
4171 * Returns 0 on success
4173 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
4175 struct amdgpu_display_manager *dm = &adev->dm;
4177 struct amdgpu_dm_connector *aconnector = NULL;
4178 struct amdgpu_encoder *aencoder = NULL;
4179 struct amdgpu_mode_info *mode_info = &adev->mode_info;
4181 int32_t primary_planes;
4182 enum dc_connection_type new_connection_type = dc_connection_none;
4183 const struct dc_plane_cap *plane;
4184 bool psr_feature_enabled = false;
4186 dm->display_indexes_num = dm->dc->caps.max_streams;
4187 /* Update the actual used number of crtc */
4188 adev->mode_info.num_crtc = adev->dm.display_indexes_num;
4190 link_cnt = dm->dc->caps.max_links;
4191 if (amdgpu_dm_mode_config_init(dm->adev)) {
4192 DRM_ERROR("DM: Failed to initialize mode config\n");
4196 /* There is one primary plane per CRTC */
4197 primary_planes = dm->dc->caps.max_streams;
4198 ASSERT(primary_planes <= AMDGPU_MAX_PLANES);
4201 * Initialize primary planes, implicit planes for legacy IOCTLS.
4202 * Order is reversed to match iteration order in atomic check.
4204 for (i = (primary_planes - 1); i >= 0; i--) {
4205 plane = &dm->dc->caps.planes[i];
4207 if (initialize_plane(dm, mode_info, i,
4208 DRM_PLANE_TYPE_PRIMARY, plane)) {
4209 DRM_ERROR("KMS: Failed to initialize primary plane\n");
4215 * Initialize overlay planes, index starting after primary planes.
4216 * These planes have a higher DRM index than the primary planes since
4217 * they should be considered as having a higher z-order.
4218 * Order is reversed to match iteration order in atomic check.
4220 * Only support DCN for now, and only expose one so we don't encourage
4221 * userspace to use up all the pipes.
4223 for (i = 0; i < dm->dc->caps.max_planes; ++i) {
4224 struct dc_plane_cap *plane = &dm->dc->caps.planes[i];
4226 /* Do not create overlay if MPO disabled */
4227 if (amdgpu_dc_debug_mask & DC_DISABLE_MPO)
4230 if (plane->type != DC_PLANE_TYPE_DCN_UNIVERSAL)
4233 if (!plane->blends_with_above || !plane->blends_with_below)
4236 if (!plane->pixel_format_support.argb8888)
4239 if (initialize_plane(dm, NULL, primary_planes + i,
4240 DRM_PLANE_TYPE_OVERLAY, plane)) {
4241 DRM_ERROR("KMS: Failed to initialize overlay plane\n");
4245 /* Only create one overlay plane. */
4249 for (i = 0; i < dm->dc->caps.max_streams; i++)
4250 if (amdgpu_dm_crtc_init(dm, mode_info->planes[i], i)) {
4251 DRM_ERROR("KMS: Failed to initialize crtc\n");
4255 /* Use Outbox interrupt */
4256 switch (adev->ip_versions[DCE_HWIP][0]) {
4257 case IP_VERSION(3, 0, 0):
4258 case IP_VERSION(3, 1, 2):
4259 case IP_VERSION(3, 1, 3):
4260 case IP_VERSION(3, 1, 4):
4261 case IP_VERSION(3, 1, 5):
4262 case IP_VERSION(3, 1, 6):
4263 case IP_VERSION(3, 2, 0):
4264 case IP_VERSION(3, 2, 1):
4265 case IP_VERSION(2, 1, 0):
4266 if (register_outbox_irq_handlers(dm->adev)) {
4267 DRM_ERROR("DM: Failed to initialize IRQ\n");
4272 DRM_DEBUG_KMS("Unsupported DCN IP version for outbox: 0x%X\n",
4273 adev->ip_versions[DCE_HWIP][0]);
4276 /* Determine whether to enable PSR support by default. */
4277 if (!(amdgpu_dc_debug_mask & DC_DISABLE_PSR)) {
4278 switch (adev->ip_versions[DCE_HWIP][0]) {
4279 case IP_VERSION(3, 1, 2):
4280 case IP_VERSION(3, 1, 3):
4281 case IP_VERSION(3, 1, 4):
4282 case IP_VERSION(3, 1, 5):
4283 case IP_VERSION(3, 1, 6):
4284 case IP_VERSION(3, 2, 0):
4285 case IP_VERSION(3, 2, 1):
4286 psr_feature_enabled = true;
4289 psr_feature_enabled = amdgpu_dc_feature_mask & DC_PSR_MASK;
4294 /* loops over all connectors on the board */
4295 for (i = 0; i < link_cnt; i++) {
4296 struct dc_link *link = NULL;
4298 if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) {
4300 "KMS: Cannot support more than %d display indexes\n",
4301 AMDGPU_DM_MAX_DISPLAY_INDEX);
4305 aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
4309 aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL);
4313 if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) {
4314 DRM_ERROR("KMS: Failed to initialize encoder\n");
4318 if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) {
4319 DRM_ERROR("KMS: Failed to initialize connector\n");
4323 link = dc_get_link_at_index(dm->dc, i);
4325 if (!dc_link_detect_sink(link, &new_connection_type))
4326 DRM_ERROR("KMS: Failed to detect connector\n");
4328 if (aconnector->base.force && new_connection_type == dc_connection_none) {
4329 emulated_link_detect(link);
4330 amdgpu_dm_update_connector_after_detect(aconnector);
4334 mutex_lock(&dm->dc_lock);
4335 ret = dc_link_detect(link, DETECT_REASON_BOOT);
4336 mutex_unlock(&dm->dc_lock);
4339 amdgpu_dm_update_connector_after_detect(aconnector);
4340 register_backlight_device(dm, link);
4342 if (dm->num_of_edps)
4343 update_connector_ext_caps(aconnector);
4345 if (psr_feature_enabled)
4346 amdgpu_dm_set_psr_caps(link);
4348 /* TODO: Fix vblank control helpers to delay PSR entry to allow this when
4349 * PSR is also supported.
4351 if (link->psr_settings.psr_feature_enabled)
4352 adev_to_drm(adev)->vblank_disable_immediate = false;
4355 amdgpu_set_panel_orientation(&aconnector->base);
4358 /* If we didn't find a panel, notify the acpi video detection */
4359 if (dm->adev->flags & AMD_IS_APU && dm->num_of_edps == 0)
4360 acpi_video_report_nolcd();
4362 /* Software is initialized. Now we can register interrupt handlers. */
4363 switch (adev->asic_type) {
4364 #if defined(CONFIG_DRM_AMD_DC_SI)
4369 if (dce60_register_irq_handlers(dm->adev)) {
4370 DRM_ERROR("DM: Failed to initialize IRQ\n");
4384 case CHIP_POLARIS11:
4385 case CHIP_POLARIS10:
4386 case CHIP_POLARIS12:
4391 if (dce110_register_irq_handlers(dm->adev)) {
4392 DRM_ERROR("DM: Failed to initialize IRQ\n");
4397 switch (adev->ip_versions[DCE_HWIP][0]) {
4398 case IP_VERSION(1, 0, 0):
4399 case IP_VERSION(1, 0, 1):
4400 case IP_VERSION(2, 0, 2):
4401 case IP_VERSION(2, 0, 3):
4402 case IP_VERSION(2, 0, 0):
4403 case IP_VERSION(2, 1, 0):
4404 case IP_VERSION(3, 0, 0):
4405 case IP_VERSION(3, 0, 2):
4406 case IP_VERSION(3, 0, 3):
4407 case IP_VERSION(3, 0, 1):
4408 case IP_VERSION(3, 1, 2):
4409 case IP_VERSION(3, 1, 3):
4410 case IP_VERSION(3, 1, 4):
4411 case IP_VERSION(3, 1, 5):
4412 case IP_VERSION(3, 1, 6):
4413 case IP_VERSION(3, 2, 0):
4414 case IP_VERSION(3, 2, 1):
4415 if (dcn10_register_irq_handlers(dm->adev)) {
4416 DRM_ERROR("DM: Failed to initialize IRQ\n");
4421 DRM_ERROR("Unsupported DCE IP versions: 0x%X\n",
4422 adev->ip_versions[DCE_HWIP][0]);
4436 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
4438 drm_atomic_private_obj_fini(&dm->atomic_obj);
4442 /******************************************************************************
4443 * amdgpu_display_funcs functions
4444 *****************************************************************************/
4447 * dm_bandwidth_update - program display watermarks
4449 * @adev: amdgpu_device pointer
4451 * Calculate and program the display watermarks and line buffer allocation.
4453 static void dm_bandwidth_update(struct amdgpu_device *adev)
4455 /* TODO: implement later */
4458 static const struct amdgpu_display_funcs dm_display_funcs = {
4459 .bandwidth_update = dm_bandwidth_update, /* called unconditionally */
4460 .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
4461 .backlight_set_level = NULL, /* never called for DC */
4462 .backlight_get_level = NULL, /* never called for DC */
4463 .hpd_sense = NULL,/* called unconditionally */
4464 .hpd_set_polarity = NULL, /* called unconditionally */
4465 .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
4466 .page_flip_get_scanoutpos =
4467 dm_crtc_get_scanoutpos,/* called unconditionally */
4468 .add_encoder = NULL, /* VBIOS parsing. DAL does it. */
4469 .add_connector = NULL, /* VBIOS parsing. DAL does it. */
4472 #if defined(CONFIG_DEBUG_KERNEL_DC)
4474 static ssize_t s3_debug_store(struct device *device,
4475 struct device_attribute *attr,
4481 struct drm_device *drm_dev = dev_get_drvdata(device);
4482 struct amdgpu_device *adev = drm_to_adev(drm_dev);
4484 ret = kstrtoint(buf, 0, &s3_state);
4489 drm_kms_helper_hotplug_event(adev_to_drm(adev));
4494 return ret == 0 ? count : 0;
4497 DEVICE_ATTR_WO(s3_debug);
4501 static int dm_early_init(void *handle)
4503 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
4505 switch (adev->asic_type) {
4506 #if defined(CONFIG_DRM_AMD_DC_SI)
4510 adev->mode_info.num_crtc = 6;
4511 adev->mode_info.num_hpd = 6;
4512 adev->mode_info.num_dig = 6;
4515 adev->mode_info.num_crtc = 2;
4516 adev->mode_info.num_hpd = 2;
4517 adev->mode_info.num_dig = 2;
4522 adev->mode_info.num_crtc = 6;
4523 adev->mode_info.num_hpd = 6;
4524 adev->mode_info.num_dig = 6;
4527 adev->mode_info.num_crtc = 4;
4528 adev->mode_info.num_hpd = 6;
4529 adev->mode_info.num_dig = 7;
4533 adev->mode_info.num_crtc = 2;
4534 adev->mode_info.num_hpd = 6;
4535 adev->mode_info.num_dig = 6;
4539 adev->mode_info.num_crtc = 6;
4540 adev->mode_info.num_hpd = 6;
4541 adev->mode_info.num_dig = 7;
4544 adev->mode_info.num_crtc = 3;
4545 adev->mode_info.num_hpd = 6;
4546 adev->mode_info.num_dig = 9;
4549 adev->mode_info.num_crtc = 2;
4550 adev->mode_info.num_hpd = 6;
4551 adev->mode_info.num_dig = 9;
4553 case CHIP_POLARIS11:
4554 case CHIP_POLARIS12:
4555 adev->mode_info.num_crtc = 5;
4556 adev->mode_info.num_hpd = 5;
4557 adev->mode_info.num_dig = 5;
4559 case CHIP_POLARIS10:
4561 adev->mode_info.num_crtc = 6;
4562 adev->mode_info.num_hpd = 6;
4563 adev->mode_info.num_dig = 6;
4568 adev->mode_info.num_crtc = 6;
4569 adev->mode_info.num_hpd = 6;
4570 adev->mode_info.num_dig = 6;
4574 switch (adev->ip_versions[DCE_HWIP][0]) {
4575 case IP_VERSION(2, 0, 2):
4576 case IP_VERSION(3, 0, 0):
4577 adev->mode_info.num_crtc = 6;
4578 adev->mode_info.num_hpd = 6;
4579 adev->mode_info.num_dig = 6;
4581 case IP_VERSION(2, 0, 0):
4582 case IP_VERSION(3, 0, 2):
4583 adev->mode_info.num_crtc = 5;
4584 adev->mode_info.num_hpd = 5;
4585 adev->mode_info.num_dig = 5;
4587 case IP_VERSION(2, 0, 3):
4588 case IP_VERSION(3, 0, 3):
4589 adev->mode_info.num_crtc = 2;
4590 adev->mode_info.num_hpd = 2;
4591 adev->mode_info.num_dig = 2;
4593 case IP_VERSION(1, 0, 0):
4594 case IP_VERSION(1, 0, 1):
4595 case IP_VERSION(3, 0, 1):
4596 case IP_VERSION(2, 1, 0):
4597 case IP_VERSION(3, 1, 2):
4598 case IP_VERSION(3, 1, 3):
4599 case IP_VERSION(3, 1, 4):
4600 case IP_VERSION(3, 1, 5):
4601 case IP_VERSION(3, 1, 6):
4602 case IP_VERSION(3, 2, 0):
4603 case IP_VERSION(3, 2, 1):
4604 adev->mode_info.num_crtc = 4;
4605 adev->mode_info.num_hpd = 4;
4606 adev->mode_info.num_dig = 4;
4609 DRM_ERROR("Unsupported DCE IP versions: 0x%x\n",
4610 adev->ip_versions[DCE_HWIP][0]);
4616 amdgpu_dm_set_irq_funcs(adev);
4618 if (adev->mode_info.funcs == NULL)
4619 adev->mode_info.funcs = &dm_display_funcs;
4622 * Note: Do NOT change adev->audio_endpt_rreg and
4623 * adev->audio_endpt_wreg because they are initialised in
4624 * amdgpu_device_init()
4626 #if defined(CONFIG_DEBUG_KERNEL_DC)
4628 adev_to_drm(adev)->dev,
4629 &dev_attr_s3_debug);
4631 adev->dc_enabled = true;
4636 static bool modereset_required(struct drm_crtc_state *crtc_state)
4638 return !crtc_state->active && drm_atomic_crtc_needs_modeset(crtc_state);
4641 static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder)
4643 drm_encoder_cleanup(encoder);
4647 static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = {
4648 .destroy = amdgpu_dm_encoder_destroy,
4652 fill_plane_color_attributes(const struct drm_plane_state *plane_state,
4653 const enum surface_pixel_format format,
4654 enum dc_color_space *color_space)
4658 *color_space = COLOR_SPACE_SRGB;
4660 /* DRM color properties only affect non-RGB formats. */
4661 if (format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN)
4664 full_range = (plane_state->color_range == DRM_COLOR_YCBCR_FULL_RANGE);
4666 switch (plane_state->color_encoding) {
4667 case DRM_COLOR_YCBCR_BT601:
4669 *color_space = COLOR_SPACE_YCBCR601;
4671 *color_space = COLOR_SPACE_YCBCR601_LIMITED;
4674 case DRM_COLOR_YCBCR_BT709:
4676 *color_space = COLOR_SPACE_YCBCR709;
4678 *color_space = COLOR_SPACE_YCBCR709_LIMITED;
4681 case DRM_COLOR_YCBCR_BT2020:
4683 *color_space = COLOR_SPACE_2020_YCBCR;
4696 fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
4697 const struct drm_plane_state *plane_state,
4698 const uint64_t tiling_flags,
4699 struct dc_plane_info *plane_info,
4700 struct dc_plane_address *address,
4702 bool force_disable_dcc)
4704 const struct drm_framebuffer *fb = plane_state->fb;
4705 const struct amdgpu_framebuffer *afb =
4706 to_amdgpu_framebuffer(plane_state->fb);
4709 memset(plane_info, 0, sizeof(*plane_info));
4711 switch (fb->format->format) {
4713 plane_info->format =
4714 SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS;
4716 case DRM_FORMAT_RGB565:
4717 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565;
4719 case DRM_FORMAT_XRGB8888:
4720 case DRM_FORMAT_ARGB8888:
4721 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888;
4723 case DRM_FORMAT_XRGB2101010:
4724 case DRM_FORMAT_ARGB2101010:
4725 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010;
4727 case DRM_FORMAT_XBGR2101010:
4728 case DRM_FORMAT_ABGR2101010:
4729 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010;
4731 case DRM_FORMAT_XBGR8888:
4732 case DRM_FORMAT_ABGR8888:
4733 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR8888;
4735 case DRM_FORMAT_NV21:
4736 plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr;
4738 case DRM_FORMAT_NV12:
4739 plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb;
4741 case DRM_FORMAT_P010:
4742 plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb;
4744 case DRM_FORMAT_XRGB16161616F:
4745 case DRM_FORMAT_ARGB16161616F:
4746 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F;
4748 case DRM_FORMAT_XBGR16161616F:
4749 case DRM_FORMAT_ABGR16161616F:
4750 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F;
4752 case DRM_FORMAT_XRGB16161616:
4753 case DRM_FORMAT_ARGB16161616:
4754 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616;
4756 case DRM_FORMAT_XBGR16161616:
4757 case DRM_FORMAT_ABGR16161616:
4758 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616;
4762 "Unsupported screen format %p4cc\n",
4763 &fb->format->format);
4767 switch (plane_state->rotation & DRM_MODE_ROTATE_MASK) {
4768 case DRM_MODE_ROTATE_0:
4769 plane_info->rotation = ROTATION_ANGLE_0;
4771 case DRM_MODE_ROTATE_90:
4772 plane_info->rotation = ROTATION_ANGLE_90;
4774 case DRM_MODE_ROTATE_180:
4775 plane_info->rotation = ROTATION_ANGLE_180;
4777 case DRM_MODE_ROTATE_270:
4778 plane_info->rotation = ROTATION_ANGLE_270;
4781 plane_info->rotation = ROTATION_ANGLE_0;
4786 plane_info->visible = true;
4787 plane_info->stereo_format = PLANE_STEREO_FORMAT_NONE;
4789 plane_info->layer_index = plane_state->normalized_zpos;
4791 ret = fill_plane_color_attributes(plane_state, plane_info->format,
4792 &plane_info->color_space);
4796 ret = fill_plane_buffer_attributes(adev, afb, plane_info->format,
4797 plane_info->rotation, tiling_flags,
4798 &plane_info->tiling_info,
4799 &plane_info->plane_size,
4800 &plane_info->dcc, address,
4801 tmz_surface, force_disable_dcc);
4805 fill_blending_from_plane_state(
4806 plane_state, &plane_info->per_pixel_alpha, &plane_info->pre_multiplied_alpha,
4807 &plane_info->global_alpha, &plane_info->global_alpha_value);
4812 static int fill_dc_plane_attributes(struct amdgpu_device *adev,
4813 struct dc_plane_state *dc_plane_state,
4814 struct drm_plane_state *plane_state,
4815 struct drm_crtc_state *crtc_state)
4817 struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state);
4818 struct amdgpu_framebuffer *afb = (struct amdgpu_framebuffer *)plane_state->fb;
4819 struct dc_scaling_info scaling_info;
4820 struct dc_plane_info plane_info;
4822 bool force_disable_dcc = false;
4824 ret = fill_dc_scaling_info(adev, plane_state, &scaling_info);
4828 dc_plane_state->src_rect = scaling_info.src_rect;
4829 dc_plane_state->dst_rect = scaling_info.dst_rect;
4830 dc_plane_state->clip_rect = scaling_info.clip_rect;
4831 dc_plane_state->scaling_quality = scaling_info.scaling_quality;
4833 force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend;
4834 ret = fill_dc_plane_info_and_addr(adev, plane_state,
4837 &dc_plane_state->address,
4843 dc_plane_state->format = plane_info.format;
4844 dc_plane_state->color_space = plane_info.color_space;
4845 dc_plane_state->format = plane_info.format;
4846 dc_plane_state->plane_size = plane_info.plane_size;
4847 dc_plane_state->rotation = plane_info.rotation;
4848 dc_plane_state->horizontal_mirror = plane_info.horizontal_mirror;
4849 dc_plane_state->stereo_format = plane_info.stereo_format;
4850 dc_plane_state->tiling_info = plane_info.tiling_info;
4851 dc_plane_state->visible = plane_info.visible;
4852 dc_plane_state->per_pixel_alpha = plane_info.per_pixel_alpha;
4853 dc_plane_state->pre_multiplied_alpha = plane_info.pre_multiplied_alpha;
4854 dc_plane_state->global_alpha = plane_info.global_alpha;
4855 dc_plane_state->global_alpha_value = plane_info.global_alpha_value;
4856 dc_plane_state->dcc = plane_info.dcc;
4857 dc_plane_state->layer_index = plane_info.layer_index;
4858 dc_plane_state->flip_int_enabled = true;
4861 * Always set input transfer function, since plane state is refreshed
4864 ret = amdgpu_dm_update_plane_color_mgmt(dm_crtc_state, dc_plane_state);
4871 static inline void fill_dc_dirty_rect(struct drm_plane *plane,
4872 struct rect *dirty_rect, int32_t x,
4873 int32_t y, int32_t width, int32_t height,
4876 if (*i > DC_MAX_DIRTY_RECTS)
4879 if (*i == DC_MAX_DIRTY_RECTS)
4884 dirty_rect->width = width;
4885 dirty_rect->height = height;
4889 "[PLANE:%d] PSR FFU dirty rect size (%d, %d)\n",
4890 plane->base.id, width, height);
4893 "[PLANE:%d] PSR SU dirty rect at (%d, %d) size (%d, %d)",
4894 plane->base.id, x, y, width, height);
4901 * fill_dc_dirty_rects() - Fill DC dirty regions for PSR selective updates
4903 * @plane: DRM plane containing dirty regions that need to be flushed to the eDP
4905 * @old_plane_state: Old state of @plane
4906 * @new_plane_state: New state of @plane
4907 * @crtc_state: New state of CRTC connected to the @plane
4908 * @flip_addrs: DC flip tracking struct, which also tracts dirty rects
4910 * For PSR SU, DC informs the DMUB uController of dirty rectangle regions
4911 * (referred to as "damage clips" in DRM nomenclature) that require updating on
4912 * the eDP remote buffer. The responsibility of specifying the dirty regions is
4915 * A damage-aware DRM client should fill the FB_DAMAGE_CLIPS property on the
4916 * plane with regions that require flushing to the eDP remote buffer. In
4917 * addition, certain use cases - such as cursor and multi-plane overlay (MPO) -
4918 * implicitly provide damage clips without any client support via the plane
4921 static void fill_dc_dirty_rects(struct drm_plane *plane,
4922 struct drm_plane_state *old_plane_state,
4923 struct drm_plane_state *new_plane_state,
4924 struct drm_crtc_state *crtc_state,
4925 struct dc_flip_addrs *flip_addrs)
4927 struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state);
4928 struct rect *dirty_rects = flip_addrs->dirty_rects;
4930 struct drm_mode_rect *clips;
4936 * Cursor plane has it's own dirty rect update interface. See
4937 * dcn10_dmub_update_cursor_data and dmub_cmd_update_cursor_info_data
4939 if (plane->type == DRM_PLANE_TYPE_CURSOR)
4942 num_clips = drm_plane_get_damage_clips_count(new_plane_state);
4943 clips = drm_plane_get_damage_clips(new_plane_state);
4945 if (!dm_crtc_state->mpo_requested) {
4946 if (!num_clips || num_clips > DC_MAX_DIRTY_RECTS)
4949 for (; flip_addrs->dirty_rect_count < num_clips; clips++)
4950 fill_dc_dirty_rect(new_plane_state->plane,
4951 &dirty_rects[i], clips->x1,
4952 clips->y1, clips->x2 - clips->x1,
4953 clips->y2 - clips->y1,
4954 &flip_addrs->dirty_rect_count,
4960 * MPO is requested. Add entire plane bounding box to dirty rects if
4961 * flipped to or damaged.
4963 * If plane is moved or resized, also add old bounding box to dirty
4966 fb_changed = old_plane_state->fb->base.id !=
4967 new_plane_state->fb->base.id;
4968 bb_changed = (old_plane_state->crtc_x != new_plane_state->crtc_x ||
4969 old_plane_state->crtc_y != new_plane_state->crtc_y ||
4970 old_plane_state->crtc_w != new_plane_state->crtc_w ||
4971 old_plane_state->crtc_h != new_plane_state->crtc_h);
4974 "[PLANE:%d] PSR bb_changed:%d fb_changed:%d num_clips:%d\n",
4975 new_plane_state->plane->base.id,
4976 bb_changed, fb_changed, num_clips);
4979 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i],
4980 new_plane_state->crtc_x,
4981 new_plane_state->crtc_y,
4982 new_plane_state->crtc_w,
4983 new_plane_state->crtc_h, &i, false);
4985 /* Add old plane bounding-box if plane is moved or resized */
4986 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i],
4987 old_plane_state->crtc_x,
4988 old_plane_state->crtc_y,
4989 old_plane_state->crtc_w,
4990 old_plane_state->crtc_h, &i, false);
4994 for (; i < num_clips; clips++)
4995 fill_dc_dirty_rect(new_plane_state->plane,
4996 &dirty_rects[i], clips->x1,
4997 clips->y1, clips->x2 - clips->x1,
4998 clips->y2 - clips->y1, &i, false);
4999 } else if (fb_changed && !bb_changed) {
5000 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i],
5001 new_plane_state->crtc_x,
5002 new_plane_state->crtc_y,
5003 new_plane_state->crtc_w,
5004 new_plane_state->crtc_h, &i, false);
5007 if (i > DC_MAX_DIRTY_RECTS)
5010 flip_addrs->dirty_rect_count = i;
5014 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[0], 0, 0,
5015 dm_crtc_state->base.mode.crtc_hdisplay,
5016 dm_crtc_state->base.mode.crtc_vdisplay,
5017 &flip_addrs->dirty_rect_count, true);
5020 static void update_stream_scaling_settings(const struct drm_display_mode *mode,
5021 const struct dm_connector_state *dm_state,
5022 struct dc_stream_state *stream)
5024 enum amdgpu_rmx_type rmx_type;
5026 struct rect src = { 0 }; /* viewport in composition space*/
5027 struct rect dst = { 0 }; /* stream addressable area */
5029 /* no mode. nothing to be done */
5033 /* Full screen scaling by default */
5034 src.width = mode->hdisplay;
5035 src.height = mode->vdisplay;
5036 dst.width = stream->timing.h_addressable;
5037 dst.height = stream->timing.v_addressable;
5040 rmx_type = dm_state->scaling;
5041 if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
5042 if (src.width * dst.height <
5043 src.height * dst.width) {
5044 /* height needs less upscaling/more downscaling */
5045 dst.width = src.width *
5046 dst.height / src.height;
5048 /* width needs less upscaling/more downscaling */
5049 dst.height = src.height *
5050 dst.width / src.width;
5052 } else if (rmx_type == RMX_CENTER) {
5056 dst.x = (stream->timing.h_addressable - dst.width) / 2;
5057 dst.y = (stream->timing.v_addressable - dst.height) / 2;
5059 if (dm_state->underscan_enable) {
5060 dst.x += dm_state->underscan_hborder / 2;
5061 dst.y += dm_state->underscan_vborder / 2;
5062 dst.width -= dm_state->underscan_hborder;
5063 dst.height -= dm_state->underscan_vborder;
5070 DRM_DEBUG_KMS("Destination Rectangle x:%d y:%d width:%d height:%d\n",
5071 dst.x, dst.y, dst.width, dst.height);
5075 static enum dc_color_depth
5076 convert_color_depth_from_display_info(const struct drm_connector *connector,
5077 bool is_y420, int requested_bpc)
5084 /* Cap display bpc based on HDMI 2.0 HF-VSDB */
5085 if (connector->display_info.hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_48)
5087 else if (connector->display_info.hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_36)
5089 else if (connector->display_info.hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_30)
5092 bpc = (uint8_t)connector->display_info.bpc;
5093 /* Assume 8 bpc by default if no bpc is specified. */
5094 bpc = bpc ? bpc : 8;
5097 if (requested_bpc > 0) {
5099 * Cap display bpc based on the user requested value.
5101 * The value for state->max_bpc may not correctly updated
5102 * depending on when the connector gets added to the state
5103 * or if this was called outside of atomic check, so it
5104 * can't be used directly.
5106 bpc = min_t(u8, bpc, requested_bpc);
5108 /* Round down to the nearest even number. */
5109 bpc = bpc - (bpc & 1);
5115 * Temporary Work around, DRM doesn't parse color depth for
5116 * EDID revision before 1.4
5117 * TODO: Fix edid parsing
5119 return COLOR_DEPTH_888;
5121 return COLOR_DEPTH_666;
5123 return COLOR_DEPTH_888;
5125 return COLOR_DEPTH_101010;
5127 return COLOR_DEPTH_121212;
5129 return COLOR_DEPTH_141414;
5131 return COLOR_DEPTH_161616;
5133 return COLOR_DEPTH_UNDEFINED;
5137 static enum dc_aspect_ratio
5138 get_aspect_ratio(const struct drm_display_mode *mode_in)
5140 /* 1-1 mapping, since both enums follow the HDMI spec. */
5141 return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio;
5144 static enum dc_color_space
5145 get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing)
5147 enum dc_color_space color_space = COLOR_SPACE_SRGB;
5149 switch (dc_crtc_timing->pixel_encoding) {
5150 case PIXEL_ENCODING_YCBCR422:
5151 case PIXEL_ENCODING_YCBCR444:
5152 case PIXEL_ENCODING_YCBCR420:
5155 * 27030khz is the separation point between HDTV and SDTV
5156 * according to HDMI spec, we use YCbCr709 and YCbCr601
5159 if (dc_crtc_timing->pix_clk_100hz > 270300) {
5160 if (dc_crtc_timing->flags.Y_ONLY)
5162 COLOR_SPACE_YCBCR709_LIMITED;
5164 color_space = COLOR_SPACE_YCBCR709;
5166 if (dc_crtc_timing->flags.Y_ONLY)
5168 COLOR_SPACE_YCBCR601_LIMITED;
5170 color_space = COLOR_SPACE_YCBCR601;
5175 case PIXEL_ENCODING_RGB:
5176 color_space = COLOR_SPACE_SRGB;
5187 static bool adjust_colour_depth_from_display_info(
5188 struct dc_crtc_timing *timing_out,
5189 const struct drm_display_info *info)
5191 enum dc_color_depth depth = timing_out->display_color_depth;
5194 normalized_clk = timing_out->pix_clk_100hz / 10;
5195 /* YCbCr 4:2:0 requires additional adjustment of 1/2 */
5196 if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420)
5197 normalized_clk /= 2;
5198 /* Adjusting pix clock following on HDMI spec based on colour depth */
5200 case COLOR_DEPTH_888:
5202 case COLOR_DEPTH_101010:
5203 normalized_clk = (normalized_clk * 30) / 24;
5205 case COLOR_DEPTH_121212:
5206 normalized_clk = (normalized_clk * 36) / 24;
5208 case COLOR_DEPTH_161616:
5209 normalized_clk = (normalized_clk * 48) / 24;
5212 /* The above depths are the only ones valid for HDMI. */
5215 if (normalized_clk <= info->max_tmds_clock) {
5216 timing_out->display_color_depth = depth;
5219 } while (--depth > COLOR_DEPTH_666);
5223 static void fill_stream_properties_from_drm_display_mode(
5224 struct dc_stream_state *stream,
5225 const struct drm_display_mode *mode_in,
5226 const struct drm_connector *connector,
5227 const struct drm_connector_state *connector_state,
5228 const struct dc_stream_state *old_stream,
5231 struct dc_crtc_timing *timing_out = &stream->timing;
5232 const struct drm_display_info *info = &connector->display_info;
5233 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
5234 struct hdmi_vendor_infoframe hv_frame;
5235 struct hdmi_avi_infoframe avi_frame;
5237 memset(&hv_frame, 0, sizeof(hv_frame));
5238 memset(&avi_frame, 0, sizeof(avi_frame));
5240 timing_out->h_border_left = 0;
5241 timing_out->h_border_right = 0;
5242 timing_out->v_border_top = 0;
5243 timing_out->v_border_bottom = 0;
5244 /* TODO: un-hardcode */
5245 if (drm_mode_is_420_only(info, mode_in)
5246 && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
5247 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
5248 else if (drm_mode_is_420_also(info, mode_in)
5249 && aconnector->force_yuv420_output)
5250 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
5251 else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR444)
5252 && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
5253 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444;
5255 timing_out->pixel_encoding = PIXEL_ENCODING_RGB;
5257 timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE;
5258 timing_out->display_color_depth = convert_color_depth_from_display_info(
5260 (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420),
5262 timing_out->scan_type = SCANNING_TYPE_NODATA;
5263 timing_out->hdmi_vic = 0;
5266 timing_out->vic = old_stream->timing.vic;
5267 timing_out->flags.HSYNC_POSITIVE_POLARITY = old_stream->timing.flags.HSYNC_POSITIVE_POLARITY;
5268 timing_out->flags.VSYNC_POSITIVE_POLARITY = old_stream->timing.flags.VSYNC_POSITIVE_POLARITY;
5270 timing_out->vic = drm_match_cea_mode(mode_in);
5271 if (mode_in->flags & DRM_MODE_FLAG_PHSYNC)
5272 timing_out->flags.HSYNC_POSITIVE_POLARITY = 1;
5273 if (mode_in->flags & DRM_MODE_FLAG_PVSYNC)
5274 timing_out->flags.VSYNC_POSITIVE_POLARITY = 1;
5277 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
5278 drm_hdmi_avi_infoframe_from_display_mode(&avi_frame, (struct drm_connector *)connector, mode_in);
5279 timing_out->vic = avi_frame.video_code;
5280 drm_hdmi_vendor_infoframe_from_display_mode(&hv_frame, (struct drm_connector *)connector, mode_in);
5281 timing_out->hdmi_vic = hv_frame.vic;
5284 if (is_freesync_video_mode(mode_in, aconnector)) {
5285 timing_out->h_addressable = mode_in->hdisplay;
5286 timing_out->h_total = mode_in->htotal;
5287 timing_out->h_sync_width = mode_in->hsync_end - mode_in->hsync_start;
5288 timing_out->h_front_porch = mode_in->hsync_start - mode_in->hdisplay;
5289 timing_out->v_total = mode_in->vtotal;
5290 timing_out->v_addressable = mode_in->vdisplay;
5291 timing_out->v_front_porch = mode_in->vsync_start - mode_in->vdisplay;
5292 timing_out->v_sync_width = mode_in->vsync_end - mode_in->vsync_start;
5293 timing_out->pix_clk_100hz = mode_in->clock * 10;
5295 timing_out->h_addressable = mode_in->crtc_hdisplay;
5296 timing_out->h_total = mode_in->crtc_htotal;
5297 timing_out->h_sync_width = mode_in->crtc_hsync_end - mode_in->crtc_hsync_start;
5298 timing_out->h_front_porch = mode_in->crtc_hsync_start - mode_in->crtc_hdisplay;
5299 timing_out->v_total = mode_in->crtc_vtotal;
5300 timing_out->v_addressable = mode_in->crtc_vdisplay;
5301 timing_out->v_front_porch = mode_in->crtc_vsync_start - mode_in->crtc_vdisplay;
5302 timing_out->v_sync_width = mode_in->crtc_vsync_end - mode_in->crtc_vsync_start;
5303 timing_out->pix_clk_100hz = mode_in->crtc_clock * 10;
5306 timing_out->aspect_ratio = get_aspect_ratio(mode_in);
5308 stream->out_transfer_func->type = TF_TYPE_PREDEFINED;
5309 stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
5310 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
5311 if (!adjust_colour_depth_from_display_info(timing_out, info) &&
5312 drm_mode_is_420_also(info, mode_in) &&
5313 timing_out->pixel_encoding != PIXEL_ENCODING_YCBCR420) {
5314 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
5315 adjust_colour_depth_from_display_info(timing_out, info);
5319 stream->output_color_space = get_output_color_space(timing_out);
5322 static void fill_audio_info(struct audio_info *audio_info,
5323 const struct drm_connector *drm_connector,
5324 const struct dc_sink *dc_sink)
5327 int cea_revision = 0;
5328 const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps;
5330 audio_info->manufacture_id = edid_caps->manufacturer_id;
5331 audio_info->product_id = edid_caps->product_id;
5333 cea_revision = drm_connector->display_info.cea_rev;
5335 strscpy(audio_info->display_name,
5336 edid_caps->display_name,
5337 AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
5339 if (cea_revision >= 3) {
5340 audio_info->mode_count = edid_caps->audio_mode_count;
5342 for (i = 0; i < audio_info->mode_count; ++i) {
5343 audio_info->modes[i].format_code =
5344 (enum audio_format_code)
5345 (edid_caps->audio_modes[i].format_code);
5346 audio_info->modes[i].channel_count =
5347 edid_caps->audio_modes[i].channel_count;
5348 audio_info->modes[i].sample_rates.all =
5349 edid_caps->audio_modes[i].sample_rate;
5350 audio_info->modes[i].sample_size =
5351 edid_caps->audio_modes[i].sample_size;
5355 audio_info->flags.all = edid_caps->speaker_flags;
5357 /* TODO: We only check for the progressive mode, check for interlace mode too */
5358 if (drm_connector->latency_present[0]) {
5359 audio_info->video_latency = drm_connector->video_latency[0];
5360 audio_info->audio_latency = drm_connector->audio_latency[0];
5363 /* TODO: For DP, video and audio latency should be calculated from DPCD caps */
5368 copy_crtc_timing_for_drm_display_mode(const struct drm_display_mode *src_mode,
5369 struct drm_display_mode *dst_mode)
5371 dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay;
5372 dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay;
5373 dst_mode->crtc_clock = src_mode->crtc_clock;
5374 dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start;
5375 dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end;
5376 dst_mode->crtc_hsync_start = src_mode->crtc_hsync_start;
5377 dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end;
5378 dst_mode->crtc_htotal = src_mode->crtc_htotal;
5379 dst_mode->crtc_hskew = src_mode->crtc_hskew;
5380 dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start;
5381 dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end;
5382 dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start;
5383 dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end;
5384 dst_mode->crtc_vtotal = src_mode->crtc_vtotal;
5388 decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode,
5389 const struct drm_display_mode *native_mode,
5392 if (scale_enabled) {
5393 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
5394 } else if (native_mode->clock == drm_mode->clock &&
5395 native_mode->htotal == drm_mode->htotal &&
5396 native_mode->vtotal == drm_mode->vtotal) {
5397 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
5399 /* no scaling nor amdgpu inserted, no need to patch */
5403 static struct dc_sink *
5404 create_fake_sink(struct amdgpu_dm_connector *aconnector)
5406 struct dc_sink_init_data sink_init_data = { 0 };
5407 struct dc_sink *sink = NULL;
5408 sink_init_data.link = aconnector->dc_link;
5409 sink_init_data.sink_signal = aconnector->dc_link->connector_signal;
5411 sink = dc_sink_create(&sink_init_data);
5413 DRM_ERROR("Failed to create sink!\n");
5416 sink->sink_signal = SIGNAL_TYPE_VIRTUAL;
5421 static void set_multisync_trigger_params(
5422 struct dc_stream_state *stream)
5424 struct dc_stream_state *master = NULL;
5426 if (stream->triggered_crtc_reset.enabled) {
5427 master = stream->triggered_crtc_reset.event_source;
5428 stream->triggered_crtc_reset.event =
5429 master->timing.flags.VSYNC_POSITIVE_POLARITY ?
5430 CRTC_EVENT_VSYNC_RISING : CRTC_EVENT_VSYNC_FALLING;
5431 stream->triggered_crtc_reset.delay = TRIGGER_DELAY_NEXT_PIXEL;
5435 static void set_master_stream(struct dc_stream_state *stream_set[],
5438 int j, highest_rfr = 0, master_stream = 0;
5440 for (j = 0; j < stream_count; j++) {
5441 if (stream_set[j] && stream_set[j]->triggered_crtc_reset.enabled) {
5442 int refresh_rate = 0;
5444 refresh_rate = (stream_set[j]->timing.pix_clk_100hz*100)/
5445 (stream_set[j]->timing.h_total*stream_set[j]->timing.v_total);
5446 if (refresh_rate > highest_rfr) {
5447 highest_rfr = refresh_rate;
5452 for (j = 0; j < stream_count; j++) {
5454 stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream];
5458 static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context)
5461 struct dc_stream_state *stream;
5463 if (context->stream_count < 2)
5465 for (i = 0; i < context->stream_count ; i++) {
5466 if (!context->streams[i])
5469 * TODO: add a function to read AMD VSDB bits and set
5470 * crtc_sync_master.multi_sync_enabled flag
5471 * For now it's set to false
5475 set_master_stream(context->streams, context->stream_count);
5477 for (i = 0; i < context->stream_count ; i++) {
5478 stream = context->streams[i];
5483 set_multisync_trigger_params(stream);
5488 * DOC: FreeSync Video
5490 * When a userspace application wants to play a video, the content follows a
5491 * standard format definition that usually specifies the FPS for that format.
5492 * The below list illustrates some video format and the expected FPS,
5495 * - TV/NTSC (23.976 FPS)
5498 * - TV/NTSC (29.97 FPS)
5499 * - TV/NTSC (30 FPS)
5500 * - Cinema HFR (48 FPS)
5502 * - Commonly used (60 FPS)
5503 * - Multiples of 24 (48,72,96 FPS)
5505 * The list of standards video format is not huge and can be added to the
5506 * connector modeset list beforehand. With that, userspace can leverage
5507 * FreeSync to extends the front porch in order to attain the target refresh
5508 * rate. Such a switch will happen seamlessly, without screen blanking or
5509 * reprogramming of the output in any other way. If the userspace requests a
5510 * modesetting change compatible with FreeSync modes that only differ in the
5511 * refresh rate, DC will skip the full update and avoid blink during the
5512 * transition. For example, the video player can change the modesetting from
5513 * 60Hz to 30Hz for playing TV/NTSC content when it goes full screen without
5514 * causing any display blink. This same concept can be applied to a mode
5517 static struct drm_display_mode *
5518 get_highest_refresh_rate_mode(struct amdgpu_dm_connector *aconnector,
5519 bool use_probed_modes)
5521 struct drm_display_mode *m, *m_pref = NULL;
5522 u16 current_refresh, highest_refresh;
5523 struct list_head *list_head = use_probed_modes ?
5524 &aconnector->base.probed_modes :
5525 &aconnector->base.modes;
5527 if (aconnector->freesync_vid_base.clock != 0)
5528 return &aconnector->freesync_vid_base;
5530 /* Find the preferred mode */
5531 list_for_each_entry (m, list_head, head) {
5532 if (m->type & DRM_MODE_TYPE_PREFERRED) {
5539 /* Probably an EDID with no preferred mode. Fallback to first entry */
5540 m_pref = list_first_entry_or_null(
5541 &aconnector->base.modes, struct drm_display_mode, head);
5543 DRM_DEBUG_DRIVER("No preferred mode found in EDID\n");
5548 highest_refresh = drm_mode_vrefresh(m_pref);
5551 * Find the mode with highest refresh rate with same resolution.
5552 * For some monitors, preferred mode is not the mode with highest
5553 * supported refresh rate.
5555 list_for_each_entry (m, list_head, head) {
5556 current_refresh = drm_mode_vrefresh(m);
5558 if (m->hdisplay == m_pref->hdisplay &&
5559 m->vdisplay == m_pref->vdisplay &&
5560 highest_refresh < current_refresh) {
5561 highest_refresh = current_refresh;
5566 drm_mode_copy(&aconnector->freesync_vid_base, m_pref);
5570 static bool is_freesync_video_mode(const struct drm_display_mode *mode,
5571 struct amdgpu_dm_connector *aconnector)
5573 struct drm_display_mode *high_mode;
5576 high_mode = get_highest_refresh_rate_mode(aconnector, false);
5577 if (!high_mode || !mode)
5580 timing_diff = high_mode->vtotal - mode->vtotal;
5582 if (high_mode->clock == 0 || high_mode->clock != mode->clock ||
5583 high_mode->hdisplay != mode->hdisplay ||
5584 high_mode->vdisplay != mode->vdisplay ||
5585 high_mode->hsync_start != mode->hsync_start ||
5586 high_mode->hsync_end != mode->hsync_end ||
5587 high_mode->htotal != mode->htotal ||
5588 high_mode->hskew != mode->hskew ||
5589 high_mode->vscan != mode->vscan ||
5590 high_mode->vsync_start - mode->vsync_start != timing_diff ||
5591 high_mode->vsync_end - mode->vsync_end != timing_diff)
5597 #if defined(CONFIG_DRM_AMD_DC_DCN)
5598 static void update_dsc_caps(struct amdgpu_dm_connector *aconnector,
5599 struct dc_sink *sink, struct dc_stream_state *stream,
5600 struct dsc_dec_dpcd_caps *dsc_caps)
5602 stream->timing.flags.DSC = 0;
5603 dsc_caps->is_dsc_supported = false;
5605 if (aconnector->dc_link && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT ||
5606 sink->sink_signal == SIGNAL_TYPE_EDP)) {
5607 if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE ||
5608 sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER)
5609 dc_dsc_parse_dsc_dpcd(aconnector->dc_link->ctx->dc,
5610 aconnector->dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.raw,
5611 aconnector->dc_link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw,
5617 static void apply_dsc_policy_for_edp(struct amdgpu_dm_connector *aconnector,
5618 struct dc_sink *sink, struct dc_stream_state *stream,
5619 struct dsc_dec_dpcd_caps *dsc_caps,
5620 uint32_t max_dsc_target_bpp_limit_override)
5622 const struct dc_link_settings *verified_link_cap = NULL;
5623 uint32_t link_bw_in_kbps;
5624 uint32_t edp_min_bpp_x16, edp_max_bpp_x16;
5625 struct dc *dc = sink->ctx->dc;
5626 struct dc_dsc_bw_range bw_range = {0};
5627 struct dc_dsc_config dsc_cfg = {0};
5629 verified_link_cap = dc_link_get_link_cap(stream->link);
5630 link_bw_in_kbps = dc_link_bandwidth_kbps(stream->link, verified_link_cap);
5631 edp_min_bpp_x16 = 8 * 16;
5632 edp_max_bpp_x16 = 8 * 16;
5634 if (edp_max_bpp_x16 > dsc_caps->edp_max_bits_per_pixel)
5635 edp_max_bpp_x16 = dsc_caps->edp_max_bits_per_pixel;
5637 if (edp_max_bpp_x16 < edp_min_bpp_x16)
5638 edp_min_bpp_x16 = edp_max_bpp_x16;
5640 if (dc_dsc_compute_bandwidth_range(dc->res_pool->dscs[0],
5641 dc->debug.dsc_min_slice_height_override,
5642 edp_min_bpp_x16, edp_max_bpp_x16,
5647 if (bw_range.max_kbps < link_bw_in_kbps) {
5648 if (dc_dsc_compute_config(dc->res_pool->dscs[0],
5650 dc->debug.dsc_min_slice_height_override,
5651 max_dsc_target_bpp_limit_override,
5655 stream->timing.dsc_cfg = dsc_cfg;
5656 stream->timing.flags.DSC = 1;
5657 stream->timing.dsc_cfg.bits_per_pixel = edp_max_bpp_x16;
5663 if (dc_dsc_compute_config(dc->res_pool->dscs[0],
5665 dc->debug.dsc_min_slice_height_override,
5666 max_dsc_target_bpp_limit_override,
5670 stream->timing.dsc_cfg = dsc_cfg;
5671 stream->timing.flags.DSC = 1;
5676 static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector,
5677 struct dc_sink *sink, struct dc_stream_state *stream,
5678 struct dsc_dec_dpcd_caps *dsc_caps)
5680 struct drm_connector *drm_connector = &aconnector->base;
5681 uint32_t link_bandwidth_kbps;
5682 struct dc *dc = sink->ctx->dc;
5683 uint32_t max_supported_bw_in_kbps, timing_bw_in_kbps;
5684 uint32_t dsc_max_supported_bw_in_kbps;
5685 uint32_t max_dsc_target_bpp_limit_override =
5686 drm_connector->display_info.max_dsc_bpp;
5688 link_bandwidth_kbps = dc_link_bandwidth_kbps(aconnector->dc_link,
5689 dc_link_get_link_cap(aconnector->dc_link));
5691 /* Set DSC policy according to dsc_clock_en */
5692 dc_dsc_policy_set_enable_dsc_when_not_needed(
5693 aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE);
5695 if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_EDP &&
5696 !aconnector->dc_link->panel_config.dsc.disable_dsc_edp &&
5697 dc->caps.edp_dsc_support && aconnector->dsc_settings.dsc_force_enable != DSC_CLK_FORCE_DISABLE) {
5699 apply_dsc_policy_for_edp(aconnector, sink, stream, dsc_caps, max_dsc_target_bpp_limit_override);
5701 } else if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT) {
5702 if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) {
5703 if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0],
5705 aconnector->dc_link->ctx->dc->debug.dsc_min_slice_height_override,
5706 max_dsc_target_bpp_limit_override,
5707 link_bandwidth_kbps,
5709 &stream->timing.dsc_cfg)) {
5710 stream->timing.flags.DSC = 1;
5711 DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", __func__, drm_connector->name);
5713 } else if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) {
5714 timing_bw_in_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing);
5715 max_supported_bw_in_kbps = link_bandwidth_kbps;
5716 dsc_max_supported_bw_in_kbps = link_bandwidth_kbps;
5718 if (timing_bw_in_kbps > max_supported_bw_in_kbps &&
5719 max_supported_bw_in_kbps > 0 &&
5720 dsc_max_supported_bw_in_kbps > 0)
5721 if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0],
5723 aconnector->dc_link->ctx->dc->debug.dsc_min_slice_height_override,
5724 max_dsc_target_bpp_limit_override,
5725 dsc_max_supported_bw_in_kbps,
5727 &stream->timing.dsc_cfg)) {
5728 stream->timing.flags.DSC = 1;
5729 DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from DP-HDMI PCON\n",
5730 __func__, drm_connector->name);
5735 /* Overwrite the stream flag if DSC is enabled through debugfs */
5736 if (aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE)
5737 stream->timing.flags.DSC = 1;
5739 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_num_slices_h)
5740 stream->timing.dsc_cfg.num_slices_h = aconnector->dsc_settings.dsc_num_slices_h;
5742 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_num_slices_v)
5743 stream->timing.dsc_cfg.num_slices_v = aconnector->dsc_settings.dsc_num_slices_v;
5745 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_bits_per_pixel)
5746 stream->timing.dsc_cfg.bits_per_pixel = aconnector->dsc_settings.dsc_bits_per_pixel;
5748 #endif /* CONFIG_DRM_AMD_DC_DCN */
5750 static struct dc_stream_state *
5751 create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
5752 const struct drm_display_mode *drm_mode,
5753 const struct dm_connector_state *dm_state,
5754 const struct dc_stream_state *old_stream,
5757 struct drm_display_mode *preferred_mode = NULL;
5758 struct drm_connector *drm_connector;
5759 const struct drm_connector_state *con_state =
5760 dm_state ? &dm_state->base : NULL;
5761 struct dc_stream_state *stream = NULL;
5762 struct drm_display_mode mode;
5763 struct drm_display_mode saved_mode;
5764 struct drm_display_mode *freesync_mode = NULL;
5765 bool native_mode_found = false;
5766 bool recalculate_timing = false;
5767 bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false;
5769 int preferred_refresh = 0;
5770 enum color_transfer_func tf = TRANSFER_FUNC_UNKNOWN;
5771 #if defined(CONFIG_DRM_AMD_DC_DCN)
5772 struct dsc_dec_dpcd_caps dsc_caps;
5775 struct dc_sink *sink = NULL;
5777 drm_mode_init(&mode, drm_mode);
5778 memset(&saved_mode, 0, sizeof(saved_mode));
5780 if (aconnector == NULL) {
5781 DRM_ERROR("aconnector is NULL!\n");
5785 drm_connector = &aconnector->base;
5787 if (!aconnector->dc_sink) {
5788 sink = create_fake_sink(aconnector);
5792 sink = aconnector->dc_sink;
5793 dc_sink_retain(sink);
5796 stream = dc_create_stream_for_sink(sink);
5798 if (stream == NULL) {
5799 DRM_ERROR("Failed to create stream for sink!\n");
5803 stream->dm_stream_context = aconnector;
5805 stream->timing.flags.LTE_340MCSC_SCRAMBLE =
5806 drm_connector->display_info.hdmi.scdc.scrambling.low_rates;
5808 list_for_each_entry(preferred_mode, &aconnector->base.modes, head) {
5809 /* Search for preferred mode */
5810 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) {
5811 native_mode_found = true;
5815 if (!native_mode_found)
5816 preferred_mode = list_first_entry_or_null(
5817 &aconnector->base.modes,
5818 struct drm_display_mode,
5821 mode_refresh = drm_mode_vrefresh(&mode);
5823 if (preferred_mode == NULL) {
5825 * This may not be an error, the use case is when we have no
5826 * usermode calls to reset and set mode upon hotplug. In this
5827 * case, we call set mode ourselves to restore the previous mode
5828 * and the modelist may not be filled in in time.
5830 DRM_DEBUG_DRIVER("No preferred mode found\n");
5832 recalculate_timing = amdgpu_freesync_vid_mode &&
5833 is_freesync_video_mode(&mode, aconnector);
5834 if (recalculate_timing) {
5835 freesync_mode = get_highest_refresh_rate_mode(aconnector, false);
5836 drm_mode_copy(&saved_mode, &mode);
5837 drm_mode_copy(&mode, freesync_mode);
5839 decide_crtc_timing_for_drm_display_mode(
5840 &mode, preferred_mode, scale);
5842 preferred_refresh = drm_mode_vrefresh(preferred_mode);
5846 if (recalculate_timing)
5847 drm_mode_set_crtcinfo(&saved_mode, 0);
5849 drm_mode_set_crtcinfo(&mode, 0);
5852 * If scaling is enabled and refresh rate didn't change
5853 * we copy the vic and polarities of the old timings
5855 if (!scale || mode_refresh != preferred_refresh)
5856 fill_stream_properties_from_drm_display_mode(
5857 stream, &mode, &aconnector->base, con_state, NULL,
5860 fill_stream_properties_from_drm_display_mode(
5861 stream, &mode, &aconnector->base, con_state, old_stream,
5864 #if defined(CONFIG_DRM_AMD_DC_DCN)
5865 /* SST DSC determination policy */
5866 update_dsc_caps(aconnector, sink, stream, &dsc_caps);
5867 if (aconnector->dsc_settings.dsc_force_enable != DSC_CLK_FORCE_DISABLE && dsc_caps.is_dsc_supported)
5868 apply_dsc_policy_for_stream(aconnector, sink, stream, &dsc_caps);
5871 update_stream_scaling_settings(&mode, dm_state, stream);
5874 &stream->audio_info,
5878 update_stream_signal(stream, sink);
5880 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
5881 mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket);
5883 if (stream->link->psr_settings.psr_feature_enabled) {
5885 // should decide stream support vsc sdp colorimetry capability
5886 // before building vsc info packet
5888 stream->use_vsc_sdp_for_colorimetry = false;
5889 if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
5890 stream->use_vsc_sdp_for_colorimetry =
5891 aconnector->dc_sink->is_vsc_sdp_colorimetry_supported;
5893 if (stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED)
5894 stream->use_vsc_sdp_for_colorimetry = true;
5896 if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22)
5897 tf = TRANSFER_FUNC_GAMMA_22;
5898 mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf);
5899 aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY;
5903 dc_sink_release(sink);
5908 static enum drm_connector_status
5909 amdgpu_dm_connector_detect(struct drm_connector *connector, bool force)
5912 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
5916 * 1. This interface is NOT called in context of HPD irq.
5917 * 2. This interface *is called* in context of user-mode ioctl. Which
5918 * makes it a bad place for *any* MST-related activity.
5921 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED &&
5922 !aconnector->fake_enable)
5923 connected = (aconnector->dc_sink != NULL);
5925 connected = (aconnector->base.force == DRM_FORCE_ON ||
5926 aconnector->base.force == DRM_FORCE_ON_DIGITAL);
5928 update_subconnector_property(aconnector);
5930 return (connected ? connector_status_connected :
5931 connector_status_disconnected);
5934 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
5935 struct drm_connector_state *connector_state,
5936 struct drm_property *property,
5939 struct drm_device *dev = connector->dev;
5940 struct amdgpu_device *adev = drm_to_adev(dev);
5941 struct dm_connector_state *dm_old_state =
5942 to_dm_connector_state(connector->state);
5943 struct dm_connector_state *dm_new_state =
5944 to_dm_connector_state(connector_state);
5948 if (property == dev->mode_config.scaling_mode_property) {
5949 enum amdgpu_rmx_type rmx_type;
5952 case DRM_MODE_SCALE_CENTER:
5953 rmx_type = RMX_CENTER;
5955 case DRM_MODE_SCALE_ASPECT:
5956 rmx_type = RMX_ASPECT;
5958 case DRM_MODE_SCALE_FULLSCREEN:
5959 rmx_type = RMX_FULL;
5961 case DRM_MODE_SCALE_NONE:
5967 if (dm_old_state->scaling == rmx_type)
5970 dm_new_state->scaling = rmx_type;
5972 } else if (property == adev->mode_info.underscan_hborder_property) {
5973 dm_new_state->underscan_hborder = val;
5975 } else if (property == adev->mode_info.underscan_vborder_property) {
5976 dm_new_state->underscan_vborder = val;
5978 } else if (property == adev->mode_info.underscan_property) {
5979 dm_new_state->underscan_enable = val;
5981 } else if (property == adev->mode_info.abm_level_property) {
5982 dm_new_state->abm_level = val;
5989 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
5990 const struct drm_connector_state *state,
5991 struct drm_property *property,
5994 struct drm_device *dev = connector->dev;
5995 struct amdgpu_device *adev = drm_to_adev(dev);
5996 struct dm_connector_state *dm_state =
5997 to_dm_connector_state(state);
6000 if (property == dev->mode_config.scaling_mode_property) {
6001 switch (dm_state->scaling) {
6003 *val = DRM_MODE_SCALE_CENTER;
6006 *val = DRM_MODE_SCALE_ASPECT;
6009 *val = DRM_MODE_SCALE_FULLSCREEN;
6013 *val = DRM_MODE_SCALE_NONE;
6017 } else if (property == adev->mode_info.underscan_hborder_property) {
6018 *val = dm_state->underscan_hborder;
6020 } else if (property == adev->mode_info.underscan_vborder_property) {
6021 *val = dm_state->underscan_vborder;
6023 } else if (property == adev->mode_info.underscan_property) {
6024 *val = dm_state->underscan_enable;
6026 } else if (property == adev->mode_info.abm_level_property) {
6027 *val = dm_state->abm_level;
6034 static void amdgpu_dm_connector_unregister(struct drm_connector *connector)
6036 struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector);
6038 drm_dp_aux_unregister(&amdgpu_dm_connector->dm_dp_aux.aux);
6041 static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
6043 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
6044 const struct dc_link *link = aconnector->dc_link;
6045 struct amdgpu_device *adev = drm_to_adev(connector->dev);
6046 struct amdgpu_display_manager *dm = &adev->dm;
6050 * Call only if mst_mgr was initialized before since it's not done
6051 * for all connector types.
6053 if (aconnector->mst_mgr.dev)
6054 drm_dp_mst_topology_mgr_destroy(&aconnector->mst_mgr);
6056 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
6057 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
6058 for (i = 0; i < dm->num_of_edps; i++) {
6059 if ((link == dm->backlight_link[i]) && dm->backlight_dev[i]) {
6060 backlight_device_unregister(dm->backlight_dev[i]);
6061 dm->backlight_dev[i] = NULL;
6066 if (aconnector->dc_em_sink)
6067 dc_sink_release(aconnector->dc_em_sink);
6068 aconnector->dc_em_sink = NULL;
6069 if (aconnector->dc_sink)
6070 dc_sink_release(aconnector->dc_sink);
6071 aconnector->dc_sink = NULL;
6073 drm_dp_cec_unregister_connector(&aconnector->dm_dp_aux.aux);
6074 drm_connector_unregister(connector);
6075 drm_connector_cleanup(connector);
6076 if (aconnector->i2c) {
6077 i2c_del_adapter(&aconnector->i2c->base);
6078 kfree(aconnector->i2c);
6080 kfree(aconnector->dm_dp_aux.aux.name);
6085 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
6087 struct dm_connector_state *state =
6088 to_dm_connector_state(connector->state);
6090 if (connector->state)
6091 __drm_atomic_helper_connector_destroy_state(connector->state);
6095 state = kzalloc(sizeof(*state), GFP_KERNEL);
6098 state->scaling = RMX_OFF;
6099 state->underscan_enable = false;
6100 state->underscan_hborder = 0;
6101 state->underscan_vborder = 0;
6102 state->base.max_requested_bpc = 8;
6103 state->vcpi_slots = 0;
6106 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
6107 state->abm_level = amdgpu_dm_abm_level;
6109 __drm_atomic_helper_connector_reset(connector, &state->base);
6113 struct drm_connector_state *
6114 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector)
6116 struct dm_connector_state *state =
6117 to_dm_connector_state(connector->state);
6119 struct dm_connector_state *new_state =
6120 kmemdup(state, sizeof(*state), GFP_KERNEL);
6125 __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base);
6127 new_state->freesync_capable = state->freesync_capable;
6128 new_state->abm_level = state->abm_level;
6129 new_state->scaling = state->scaling;
6130 new_state->underscan_enable = state->underscan_enable;
6131 new_state->underscan_hborder = state->underscan_hborder;
6132 new_state->underscan_vborder = state->underscan_vborder;
6133 new_state->vcpi_slots = state->vcpi_slots;
6134 new_state->pbn = state->pbn;
6135 return &new_state->base;
6139 amdgpu_dm_connector_late_register(struct drm_connector *connector)
6141 struct amdgpu_dm_connector *amdgpu_dm_connector =
6142 to_amdgpu_dm_connector(connector);
6145 if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
6146 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
6147 amdgpu_dm_connector->dm_dp_aux.aux.dev = connector->kdev;
6148 r = drm_dp_aux_register(&amdgpu_dm_connector->dm_dp_aux.aux);
6153 #if defined(CONFIG_DEBUG_FS)
6154 connector_debugfs_init(amdgpu_dm_connector);
6160 static const struct drm_connector_funcs amdgpu_dm_connector_funcs = {
6161 .reset = amdgpu_dm_connector_funcs_reset,
6162 .detect = amdgpu_dm_connector_detect,
6163 .fill_modes = drm_helper_probe_single_connector_modes,
6164 .destroy = amdgpu_dm_connector_destroy,
6165 .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state,
6166 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
6167 .atomic_set_property = amdgpu_dm_connector_atomic_set_property,
6168 .atomic_get_property = amdgpu_dm_connector_atomic_get_property,
6169 .late_register = amdgpu_dm_connector_late_register,
6170 .early_unregister = amdgpu_dm_connector_unregister
6173 static int get_modes(struct drm_connector *connector)
6175 return amdgpu_dm_connector_get_modes(connector);
6178 static void create_eml_sink(struct amdgpu_dm_connector *aconnector)
6180 struct dc_sink_init_data init_params = {
6181 .link = aconnector->dc_link,
6182 .sink_signal = SIGNAL_TYPE_VIRTUAL
6186 if (!aconnector->base.edid_blob_ptr) {
6187 DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n",
6188 aconnector->base.name);
6190 aconnector->base.force = DRM_FORCE_OFF;
6194 edid = (struct edid *) aconnector->base.edid_blob_ptr->data;
6196 aconnector->edid = edid;
6198 aconnector->dc_em_sink = dc_link_add_remote_sink(
6199 aconnector->dc_link,
6201 (edid->extensions + 1) * EDID_LENGTH,
6204 if (aconnector->base.force == DRM_FORCE_ON) {
6205 aconnector->dc_sink = aconnector->dc_link->local_sink ?
6206 aconnector->dc_link->local_sink :
6207 aconnector->dc_em_sink;
6208 dc_sink_retain(aconnector->dc_sink);
6212 static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector)
6214 struct dc_link *link = (struct dc_link *)aconnector->dc_link;
6217 * In case of headless boot with force on for DP managed connector
6218 * Those settings have to be != 0 to get initial modeset
6220 if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) {
6221 link->verified_link_cap.lane_count = LANE_COUNT_FOUR;
6222 link->verified_link_cap.link_rate = LINK_RATE_HIGH2;
6225 create_eml_sink(aconnector);
6228 static enum dc_status dm_validate_stream_and_context(struct dc *dc,
6229 struct dc_stream_state *stream)
6231 enum dc_status dc_result = DC_ERROR_UNEXPECTED;
6232 struct dc_plane_state *dc_plane_state = NULL;
6233 struct dc_state *dc_state = NULL;
6238 dc_plane_state = dc_create_plane_state(dc);
6239 if (!dc_plane_state)
6242 dc_state = dc_create_state(dc);
6246 /* populate stream to plane */
6247 dc_plane_state->src_rect.height = stream->src.height;
6248 dc_plane_state->src_rect.width = stream->src.width;
6249 dc_plane_state->dst_rect.height = stream->src.height;
6250 dc_plane_state->dst_rect.width = stream->src.width;
6251 dc_plane_state->clip_rect.height = stream->src.height;
6252 dc_plane_state->clip_rect.width = stream->src.width;
6253 dc_plane_state->plane_size.surface_pitch = ((stream->src.width + 255) / 256) * 256;
6254 dc_plane_state->plane_size.surface_size.height = stream->src.height;
6255 dc_plane_state->plane_size.surface_size.width = stream->src.width;
6256 dc_plane_state->plane_size.chroma_size.height = stream->src.height;
6257 dc_plane_state->plane_size.chroma_size.width = stream->src.width;
6258 dc_plane_state->tiling_info.gfx9.swizzle = DC_SW_UNKNOWN;
6259 dc_plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888;
6260 dc_plane_state->tiling_info.gfx9.swizzle = DC_SW_UNKNOWN;
6261 dc_plane_state->rotation = ROTATION_ANGLE_0;
6262 dc_plane_state->is_tiling_rotated = false;
6263 dc_plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_LINEAR_GENERAL;
6265 dc_result = dc_validate_stream(dc, stream);
6266 if (dc_result == DC_OK)
6267 dc_result = dc_validate_plane(dc, dc_plane_state);
6269 if (dc_result == DC_OK)
6270 dc_result = dc_add_stream_to_ctx(dc, dc_state, stream);
6272 if (dc_result == DC_OK && !dc_add_plane_to_context(
6277 dc_result = DC_FAIL_ATTACH_SURFACES;
6279 if (dc_result == DC_OK)
6280 dc_result = dc_validate_global_state(dc, dc_state, true);
6284 dc_release_state(dc_state);
6287 dc_plane_state_release(dc_plane_state);
6292 struct dc_stream_state *
6293 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
6294 const struct drm_display_mode *drm_mode,
6295 const struct dm_connector_state *dm_state,
6296 const struct dc_stream_state *old_stream)
6298 struct drm_connector *connector = &aconnector->base;
6299 struct amdgpu_device *adev = drm_to_adev(connector->dev);
6300 struct dc_stream_state *stream;
6301 const struct drm_connector_state *drm_state = dm_state ? &dm_state->base : NULL;
6302 int requested_bpc = drm_state ? drm_state->max_requested_bpc : 8;
6303 enum dc_status dc_result = DC_OK;
6306 stream = create_stream_for_sink(aconnector, drm_mode,
6307 dm_state, old_stream,
6309 if (stream == NULL) {
6310 DRM_ERROR("Failed to create stream for sink!\n");
6314 dc_result = dc_validate_stream(adev->dm.dc, stream);
6315 if (dc_result == DC_OK && stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
6316 dc_result = dm_dp_mst_is_port_support_mode(aconnector, stream);
6318 if (dc_result == DC_OK)
6319 dc_result = dm_validate_stream_and_context(adev->dm.dc, stream);
6321 if (dc_result != DC_OK) {
6322 DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d (%s)\n",
6327 dc_status_to_str(dc_result));
6329 dc_stream_release(stream);
6331 requested_bpc -= 2; /* lower bpc to retry validation */
6334 } while (stream == NULL && requested_bpc >= 6);
6336 if (dc_result == DC_FAIL_ENC_VALIDATE && !aconnector->force_yuv420_output) {
6337 DRM_DEBUG_KMS("Retry forcing YCbCr420 encoding\n");
6339 aconnector->force_yuv420_output = true;
6340 stream = create_validate_stream_for_sink(aconnector, drm_mode,
6341 dm_state, old_stream);
6342 aconnector->force_yuv420_output = false;
6348 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
6349 struct drm_display_mode *mode)
6351 int result = MODE_ERROR;
6352 struct dc_sink *dc_sink;
6353 /* TODO: Unhardcode stream count */
6354 struct dc_stream_state *stream;
6355 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
6357 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
6358 (mode->flags & DRM_MODE_FLAG_DBLSCAN))
6362 * Only run this the first time mode_valid is called to initilialize
6365 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED &&
6366 !aconnector->dc_em_sink)
6367 handle_edid_mgmt(aconnector);
6369 dc_sink = to_amdgpu_dm_connector(connector)->dc_sink;
6371 if (dc_sink == NULL && aconnector->base.force != DRM_FORCE_ON_DIGITAL &&
6372 aconnector->base.force != DRM_FORCE_ON) {
6373 DRM_ERROR("dc_sink is NULL!\n");
6377 stream = create_validate_stream_for_sink(aconnector, mode, NULL, NULL);
6379 dc_stream_release(stream);
6384 /* TODO: error handling*/
6388 static int fill_hdr_info_packet(const struct drm_connector_state *state,
6389 struct dc_info_packet *out)
6391 struct hdmi_drm_infoframe frame;
6392 unsigned char buf[30]; /* 26 + 4 */
6396 memset(out, 0, sizeof(*out));
6398 if (!state->hdr_output_metadata)
6401 ret = drm_hdmi_infoframe_set_hdr_metadata(&frame, state);
6405 len = hdmi_drm_infoframe_pack_only(&frame, buf, sizeof(buf));
6409 /* Static metadata is a fixed 26 bytes + 4 byte header. */
6413 /* Prepare the infopacket for DC. */
6414 switch (state->connector->connector_type) {
6415 case DRM_MODE_CONNECTOR_HDMIA:
6416 out->hb0 = 0x87; /* type */
6417 out->hb1 = 0x01; /* version */
6418 out->hb2 = 0x1A; /* length */
6419 out->sb[0] = buf[3]; /* checksum */
6423 case DRM_MODE_CONNECTOR_DisplayPort:
6424 case DRM_MODE_CONNECTOR_eDP:
6425 out->hb0 = 0x00; /* sdp id, zero */
6426 out->hb1 = 0x87; /* type */
6427 out->hb2 = 0x1D; /* payload len - 1 */
6428 out->hb3 = (0x13 << 2); /* sdp version */
6429 out->sb[0] = 0x01; /* version */
6430 out->sb[1] = 0x1A; /* length */
6438 memcpy(&out->sb[i], &buf[4], 26);
6441 print_hex_dump(KERN_DEBUG, "HDR SB:", DUMP_PREFIX_NONE, 16, 1, out->sb,
6442 sizeof(out->sb), false);
6448 amdgpu_dm_connector_atomic_check(struct drm_connector *conn,
6449 struct drm_atomic_state *state)
6451 struct drm_connector_state *new_con_state =
6452 drm_atomic_get_new_connector_state(state, conn);
6453 struct drm_connector_state *old_con_state =
6454 drm_atomic_get_old_connector_state(state, conn);
6455 struct drm_crtc *crtc = new_con_state->crtc;
6456 struct drm_crtc_state *new_crtc_state;
6457 struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(conn);
6460 trace_amdgpu_dm_connector_atomic_check(new_con_state);
6462 if (conn->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
6463 ret = drm_dp_mst_root_conn_atomic_check(new_con_state, &aconn->mst_mgr);
6471 if (!drm_connector_atomic_hdr_metadata_equal(old_con_state, new_con_state)) {
6472 struct dc_info_packet hdr_infopacket;
6474 ret = fill_hdr_info_packet(new_con_state, &hdr_infopacket);
6478 new_crtc_state = drm_atomic_get_crtc_state(state, crtc);
6479 if (IS_ERR(new_crtc_state))
6480 return PTR_ERR(new_crtc_state);
6483 * DC considers the stream backends changed if the
6484 * static metadata changes. Forcing the modeset also
6485 * gives a simple way for userspace to switch from
6486 * 8bpc to 10bpc when setting the metadata to enter
6489 * Changing the static metadata after it's been
6490 * set is permissible, however. So only force a
6491 * modeset if we're entering or exiting HDR.
6493 new_crtc_state->mode_changed =
6494 !old_con_state->hdr_output_metadata ||
6495 !new_con_state->hdr_output_metadata;
6501 static const struct drm_connector_helper_funcs
6502 amdgpu_dm_connector_helper_funcs = {
6504 * If hotplugging a second bigger display in FB Con mode, bigger resolution
6505 * modes will be filtered by drm_mode_validate_size(), and those modes
6506 * are missing after user start lightdm. So we need to renew modes list.
6507 * in get_modes call back, not just return the modes count
6509 .get_modes = get_modes,
6510 .mode_valid = amdgpu_dm_connector_mode_valid,
6511 .atomic_check = amdgpu_dm_connector_atomic_check,
6514 static void dm_encoder_helper_disable(struct drm_encoder *encoder)
6519 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth)
6521 switch (display_color_depth) {
6522 case COLOR_DEPTH_666:
6524 case COLOR_DEPTH_888:
6526 case COLOR_DEPTH_101010:
6528 case COLOR_DEPTH_121212:
6530 case COLOR_DEPTH_141414:
6532 case COLOR_DEPTH_161616:
6540 static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
6541 struct drm_crtc_state *crtc_state,
6542 struct drm_connector_state *conn_state)
6544 struct drm_atomic_state *state = crtc_state->state;
6545 struct drm_connector *connector = conn_state->connector;
6546 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
6547 struct dm_connector_state *dm_new_connector_state = to_dm_connector_state(conn_state);
6548 const struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
6549 struct drm_dp_mst_topology_mgr *mst_mgr;
6550 struct drm_dp_mst_port *mst_port;
6551 struct drm_dp_mst_topology_state *mst_state;
6552 enum dc_color_depth color_depth;
6554 bool is_y420 = false;
6556 if (!aconnector->port || !aconnector->dc_sink)
6559 mst_port = aconnector->port;
6560 mst_mgr = &aconnector->mst_port->mst_mgr;
6562 if (!crtc_state->connectors_changed && !crtc_state->mode_changed)
6565 mst_state = drm_atomic_get_mst_topology_state(state, mst_mgr);
6566 if (IS_ERR(mst_state))
6567 return PTR_ERR(mst_state);
6569 if (!mst_state->pbn_div)
6570 mst_state->pbn_div = dm_mst_get_pbn_divider(aconnector->mst_port->dc_link);
6572 if (!state->duplicated) {
6573 int max_bpc = conn_state->max_requested_bpc;
6574 is_y420 = drm_mode_is_420_also(&connector->display_info, adjusted_mode) &&
6575 aconnector->force_yuv420_output;
6576 color_depth = convert_color_depth_from_display_info(connector,
6579 bpp = convert_dc_color_depth_into_bpc(color_depth) * 3;
6580 clock = adjusted_mode->clock;
6581 dm_new_connector_state->pbn = drm_dp_calc_pbn_mode(clock, bpp, false);
6584 dm_new_connector_state->vcpi_slots =
6585 drm_dp_atomic_find_time_slots(state, mst_mgr, mst_port,
6586 dm_new_connector_state->pbn);
6587 if (dm_new_connector_state->vcpi_slots < 0) {
6588 DRM_DEBUG_ATOMIC("failed finding vcpi slots: %d\n", (int)dm_new_connector_state->vcpi_slots);
6589 return dm_new_connector_state->vcpi_slots;
6594 const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = {
6595 .disable = dm_encoder_helper_disable,
6596 .atomic_check = dm_encoder_helper_atomic_check
6599 #if defined(CONFIG_DRM_AMD_DC_DCN)
6600 static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state,
6601 struct dc_state *dc_state,
6602 struct dsc_mst_fairness_vars *vars)
6604 struct dc_stream_state *stream = NULL;
6605 struct drm_connector *connector;
6606 struct drm_connector_state *new_con_state;
6607 struct amdgpu_dm_connector *aconnector;
6608 struct dm_connector_state *dm_conn_state;
6610 int vcpi, pbn_div, pbn, slot_num = 0;
6612 for_each_new_connector_in_state(state, connector, new_con_state, i) {
6614 aconnector = to_amdgpu_dm_connector(connector);
6616 if (!aconnector->port)
6619 if (!new_con_state || !new_con_state->crtc)
6622 dm_conn_state = to_dm_connector_state(new_con_state);
6624 for (j = 0; j < dc_state->stream_count; j++) {
6625 stream = dc_state->streams[j];
6629 if ((struct amdgpu_dm_connector *)stream->dm_stream_context == aconnector)
6638 pbn_div = dm_mst_get_pbn_divider(stream->link);
6639 /* pbn is calculated by compute_mst_dsc_configs_for_state*/
6640 for (j = 0; j < dc_state->stream_count; j++) {
6641 if (vars[j].aconnector == aconnector) {
6647 if (j == dc_state->stream_count)
6650 slot_num = DIV_ROUND_UP(pbn, pbn_div);
6652 if (stream->timing.flags.DSC != 1) {
6653 dm_conn_state->pbn = pbn;
6654 dm_conn_state->vcpi_slots = slot_num;
6656 ret = drm_dp_mst_atomic_enable_dsc(state, aconnector->port,
6657 dm_conn_state->pbn, false);
6664 vcpi = drm_dp_mst_atomic_enable_dsc(state, aconnector->port, pbn, true);
6668 dm_conn_state->pbn = pbn;
6669 dm_conn_state->vcpi_slots = vcpi;
6675 static int to_drm_connector_type(enum signal_type st)
6678 case SIGNAL_TYPE_HDMI_TYPE_A:
6679 return DRM_MODE_CONNECTOR_HDMIA;
6680 case SIGNAL_TYPE_EDP:
6681 return DRM_MODE_CONNECTOR_eDP;
6682 case SIGNAL_TYPE_LVDS:
6683 return DRM_MODE_CONNECTOR_LVDS;
6684 case SIGNAL_TYPE_RGB:
6685 return DRM_MODE_CONNECTOR_VGA;
6686 case SIGNAL_TYPE_DISPLAY_PORT:
6687 case SIGNAL_TYPE_DISPLAY_PORT_MST:
6688 return DRM_MODE_CONNECTOR_DisplayPort;
6689 case SIGNAL_TYPE_DVI_DUAL_LINK:
6690 case SIGNAL_TYPE_DVI_SINGLE_LINK:
6691 return DRM_MODE_CONNECTOR_DVID;
6692 case SIGNAL_TYPE_VIRTUAL:
6693 return DRM_MODE_CONNECTOR_VIRTUAL;
6696 return DRM_MODE_CONNECTOR_Unknown;
6700 static struct drm_encoder *amdgpu_dm_connector_to_encoder(struct drm_connector *connector)
6702 struct drm_encoder *encoder;
6704 /* There is only one encoder per connector */
6705 drm_connector_for_each_possible_encoder(connector, encoder)
6711 static void amdgpu_dm_get_native_mode(struct drm_connector *connector)
6713 struct drm_encoder *encoder;
6714 struct amdgpu_encoder *amdgpu_encoder;
6716 encoder = amdgpu_dm_connector_to_encoder(connector);
6718 if (encoder == NULL)
6721 amdgpu_encoder = to_amdgpu_encoder(encoder);
6723 amdgpu_encoder->native_mode.clock = 0;
6725 if (!list_empty(&connector->probed_modes)) {
6726 struct drm_display_mode *preferred_mode = NULL;
6728 list_for_each_entry(preferred_mode,
6729 &connector->probed_modes,
6731 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED)
6732 amdgpu_encoder->native_mode = *preferred_mode;
6740 static struct drm_display_mode *
6741 amdgpu_dm_create_common_mode(struct drm_encoder *encoder,
6743 int hdisplay, int vdisplay)
6745 struct drm_device *dev = encoder->dev;
6746 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
6747 struct drm_display_mode *mode = NULL;
6748 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
6750 mode = drm_mode_duplicate(dev, native_mode);
6755 mode->hdisplay = hdisplay;
6756 mode->vdisplay = vdisplay;
6757 mode->type &= ~DRM_MODE_TYPE_PREFERRED;
6758 strscpy(mode->name, name, DRM_DISPLAY_MODE_LEN);
6764 static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder,
6765 struct drm_connector *connector)
6767 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
6768 struct drm_display_mode *mode = NULL;
6769 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
6770 struct amdgpu_dm_connector *amdgpu_dm_connector =
6771 to_amdgpu_dm_connector(connector);
6775 char name[DRM_DISPLAY_MODE_LEN];
6778 } common_modes[] = {
6779 { "640x480", 640, 480},
6780 { "800x600", 800, 600},
6781 { "1024x768", 1024, 768},
6782 { "1280x720", 1280, 720},
6783 { "1280x800", 1280, 800},
6784 {"1280x1024", 1280, 1024},
6785 { "1440x900", 1440, 900},
6786 {"1680x1050", 1680, 1050},
6787 {"1600x1200", 1600, 1200},
6788 {"1920x1080", 1920, 1080},
6789 {"1920x1200", 1920, 1200}
6792 n = ARRAY_SIZE(common_modes);
6794 for (i = 0; i < n; i++) {
6795 struct drm_display_mode *curmode = NULL;
6796 bool mode_existed = false;
6798 if (common_modes[i].w > native_mode->hdisplay ||
6799 common_modes[i].h > native_mode->vdisplay ||
6800 (common_modes[i].w == native_mode->hdisplay &&
6801 common_modes[i].h == native_mode->vdisplay))
6804 list_for_each_entry(curmode, &connector->probed_modes, head) {
6805 if (common_modes[i].w == curmode->hdisplay &&
6806 common_modes[i].h == curmode->vdisplay) {
6807 mode_existed = true;
6815 mode = amdgpu_dm_create_common_mode(encoder,
6816 common_modes[i].name, common_modes[i].w,
6821 drm_mode_probed_add(connector, mode);
6822 amdgpu_dm_connector->num_modes++;
6826 static void amdgpu_set_panel_orientation(struct drm_connector *connector)
6828 struct drm_encoder *encoder;
6829 struct amdgpu_encoder *amdgpu_encoder;
6830 const struct drm_display_mode *native_mode;
6832 if (connector->connector_type != DRM_MODE_CONNECTOR_eDP &&
6833 connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
6836 mutex_lock(&connector->dev->mode_config.mutex);
6837 amdgpu_dm_connector_get_modes(connector);
6838 mutex_unlock(&connector->dev->mode_config.mutex);
6840 encoder = amdgpu_dm_connector_to_encoder(connector);
6844 amdgpu_encoder = to_amdgpu_encoder(encoder);
6846 native_mode = &amdgpu_encoder->native_mode;
6847 if (native_mode->hdisplay == 0 || native_mode->vdisplay == 0)
6850 drm_connector_set_panel_orientation_with_quirk(connector,
6851 DRM_MODE_PANEL_ORIENTATION_UNKNOWN,
6852 native_mode->hdisplay,
6853 native_mode->vdisplay);
6856 static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector,
6859 struct amdgpu_dm_connector *amdgpu_dm_connector =
6860 to_amdgpu_dm_connector(connector);
6863 /* empty probed_modes */
6864 INIT_LIST_HEAD(&connector->probed_modes);
6865 amdgpu_dm_connector->num_modes =
6866 drm_add_edid_modes(connector, edid);
6868 /* sorting the probed modes before calling function
6869 * amdgpu_dm_get_native_mode() since EDID can have
6870 * more than one preferred mode. The modes that are
6871 * later in the probed mode list could be of higher
6872 * and preferred resolution. For example, 3840x2160
6873 * resolution in base EDID preferred timing and 4096x2160
6874 * preferred resolution in DID extension block later.
6876 drm_mode_sort(&connector->probed_modes);
6877 amdgpu_dm_get_native_mode(connector);
6879 /* Freesync capabilities are reset by calling
6880 * drm_add_edid_modes() and need to be
6883 amdgpu_dm_update_freesync_caps(connector, edid);
6885 amdgpu_dm_connector->num_modes = 0;
6889 static bool is_duplicate_mode(struct amdgpu_dm_connector *aconnector,
6890 struct drm_display_mode *mode)
6892 struct drm_display_mode *m;
6894 list_for_each_entry (m, &aconnector->base.probed_modes, head) {
6895 if (drm_mode_equal(m, mode))
6902 static uint add_fs_modes(struct amdgpu_dm_connector *aconnector)
6904 const struct drm_display_mode *m;
6905 struct drm_display_mode *new_mode;
6907 uint32_t new_modes_count = 0;
6909 /* Standard FPS values
6918 * 60 - Commonly used
6919 * 48,72,96,120 - Multiples of 24
6921 static const uint32_t common_rates[] = {
6922 23976, 24000, 25000, 29970, 30000,
6923 48000, 50000, 60000, 72000, 96000, 120000
6927 * Find mode with highest refresh rate with the same resolution
6928 * as the preferred mode. Some monitors report a preferred mode
6929 * with lower resolution than the highest refresh rate supported.
6932 m = get_highest_refresh_rate_mode(aconnector, true);
6936 for (i = 0; i < ARRAY_SIZE(common_rates); i++) {
6937 uint64_t target_vtotal, target_vtotal_diff;
6940 if (drm_mode_vrefresh(m) * 1000 < common_rates[i])
6943 if (common_rates[i] < aconnector->min_vfreq * 1000 ||
6944 common_rates[i] > aconnector->max_vfreq * 1000)
6947 num = (unsigned long long)m->clock * 1000 * 1000;
6948 den = common_rates[i] * (unsigned long long)m->htotal;
6949 target_vtotal = div_u64(num, den);
6950 target_vtotal_diff = target_vtotal - m->vtotal;
6952 /* Check for illegal modes */
6953 if (m->vsync_start + target_vtotal_diff < m->vdisplay ||
6954 m->vsync_end + target_vtotal_diff < m->vsync_start ||
6955 m->vtotal + target_vtotal_diff < m->vsync_end)
6958 new_mode = drm_mode_duplicate(aconnector->base.dev, m);
6962 new_mode->vtotal += (u16)target_vtotal_diff;
6963 new_mode->vsync_start += (u16)target_vtotal_diff;
6964 new_mode->vsync_end += (u16)target_vtotal_diff;
6965 new_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
6966 new_mode->type |= DRM_MODE_TYPE_DRIVER;
6968 if (!is_duplicate_mode(aconnector, new_mode)) {
6969 drm_mode_probed_add(&aconnector->base, new_mode);
6970 new_modes_count += 1;
6972 drm_mode_destroy(aconnector->base.dev, new_mode);
6975 return new_modes_count;
6978 static void amdgpu_dm_connector_add_freesync_modes(struct drm_connector *connector,
6981 struct amdgpu_dm_connector *amdgpu_dm_connector =
6982 to_amdgpu_dm_connector(connector);
6984 if (!(amdgpu_freesync_vid_mode && edid))
6987 if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
6988 amdgpu_dm_connector->num_modes +=
6989 add_fs_modes(amdgpu_dm_connector);
6992 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
6994 struct amdgpu_dm_connector *amdgpu_dm_connector =
6995 to_amdgpu_dm_connector(connector);
6996 struct drm_encoder *encoder;
6997 struct edid *edid = amdgpu_dm_connector->edid;
6999 encoder = amdgpu_dm_connector_to_encoder(connector);
7001 if (!drm_edid_is_valid(edid)) {
7002 amdgpu_dm_connector->num_modes =
7003 drm_add_modes_noedid(connector, 640, 480);
7005 amdgpu_dm_connector_ddc_get_modes(connector, edid);
7006 amdgpu_dm_connector_add_common_modes(encoder, connector);
7007 amdgpu_dm_connector_add_freesync_modes(connector, edid);
7009 amdgpu_dm_fbc_init(connector);
7011 return amdgpu_dm_connector->num_modes;
7014 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
7015 struct amdgpu_dm_connector *aconnector,
7017 struct dc_link *link,
7020 struct amdgpu_device *adev = drm_to_adev(dm->ddev);
7023 * Some of the properties below require access to state, like bpc.
7024 * Allocate some default initial connector state with our reset helper.
7026 if (aconnector->base.funcs->reset)
7027 aconnector->base.funcs->reset(&aconnector->base);
7029 aconnector->connector_id = link_index;
7030 aconnector->dc_link = link;
7031 aconnector->base.interlace_allowed = false;
7032 aconnector->base.doublescan_allowed = false;
7033 aconnector->base.stereo_allowed = false;
7034 aconnector->base.dpms = DRM_MODE_DPMS_OFF;
7035 aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */
7036 aconnector->audio_inst = -1;
7037 mutex_init(&aconnector->hpd_lock);
7040 * configure support HPD hot plug connector_>polled default value is 0
7041 * which means HPD hot plug not supported
7043 switch (connector_type) {
7044 case DRM_MODE_CONNECTOR_HDMIA:
7045 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
7046 aconnector->base.ycbcr_420_allowed =
7047 link->link_enc->features.hdmi_ycbcr420_supported ? true : false;
7049 case DRM_MODE_CONNECTOR_DisplayPort:
7050 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
7051 link->link_enc = link_enc_cfg_get_link_enc(link);
7052 ASSERT(link->link_enc);
7054 aconnector->base.ycbcr_420_allowed =
7055 link->link_enc->features.dp_ycbcr420_supported ? true : false;
7057 case DRM_MODE_CONNECTOR_DVID:
7058 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
7064 drm_object_attach_property(&aconnector->base.base,
7065 dm->ddev->mode_config.scaling_mode_property,
7066 DRM_MODE_SCALE_NONE);
7068 drm_object_attach_property(&aconnector->base.base,
7069 adev->mode_info.underscan_property,
7071 drm_object_attach_property(&aconnector->base.base,
7072 adev->mode_info.underscan_hborder_property,
7074 drm_object_attach_property(&aconnector->base.base,
7075 adev->mode_info.underscan_vborder_property,
7078 if (!aconnector->mst_port)
7079 drm_connector_attach_max_bpc_property(&aconnector->base, 8, 16);
7081 /* This defaults to the max in the range, but we want 8bpc for non-edp. */
7082 aconnector->base.state->max_bpc = (connector_type == DRM_MODE_CONNECTOR_eDP) ? 16 : 8;
7083 aconnector->base.state->max_requested_bpc = aconnector->base.state->max_bpc;
7085 if (connector_type == DRM_MODE_CONNECTOR_eDP &&
7086 (dc_is_dmcu_initialized(adev->dm.dc) || adev->dm.dc->ctx->dmub_srv)) {
7087 drm_object_attach_property(&aconnector->base.base,
7088 adev->mode_info.abm_level_property, 0);
7091 if (connector_type == DRM_MODE_CONNECTOR_HDMIA ||
7092 connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
7093 connector_type == DRM_MODE_CONNECTOR_eDP) {
7094 drm_connector_attach_hdr_output_metadata_property(&aconnector->base);
7096 if (!aconnector->mst_port)
7097 drm_connector_attach_vrr_capable_property(&aconnector->base);
7099 #ifdef CONFIG_DRM_AMD_DC_HDCP
7100 if (adev->dm.hdcp_workqueue)
7101 drm_connector_attach_content_protection_property(&aconnector->base, true);
7106 static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap,
7107 struct i2c_msg *msgs, int num)
7109 struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap);
7110 struct ddc_service *ddc_service = i2c->ddc_service;
7111 struct i2c_command cmd;
7115 cmd.payloads = kcalloc(num, sizeof(struct i2c_payload), GFP_KERNEL);
7120 cmd.number_of_payloads = num;
7121 cmd.engine = I2C_COMMAND_ENGINE_DEFAULT;
7124 for (i = 0; i < num; i++) {
7125 cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD);
7126 cmd.payloads[i].address = msgs[i].addr;
7127 cmd.payloads[i].length = msgs[i].len;
7128 cmd.payloads[i].data = msgs[i].buf;
7132 ddc_service->ctx->dc,
7133 ddc_service->link->link_index,
7137 kfree(cmd.payloads);
7141 static u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap)
7143 return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
7146 static const struct i2c_algorithm amdgpu_dm_i2c_algo = {
7147 .master_xfer = amdgpu_dm_i2c_xfer,
7148 .functionality = amdgpu_dm_i2c_func,
7151 static struct amdgpu_i2c_adapter *
7152 create_i2c(struct ddc_service *ddc_service,
7156 struct amdgpu_device *adev = ddc_service->ctx->driver_context;
7157 struct amdgpu_i2c_adapter *i2c;
7159 i2c = kzalloc(sizeof(struct amdgpu_i2c_adapter), GFP_KERNEL);
7162 i2c->base.owner = THIS_MODULE;
7163 i2c->base.class = I2C_CLASS_DDC;
7164 i2c->base.dev.parent = &adev->pdev->dev;
7165 i2c->base.algo = &amdgpu_dm_i2c_algo;
7166 snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
7167 i2c_set_adapdata(&i2c->base, i2c);
7168 i2c->ddc_service = ddc_service;
7175 * Note: this function assumes that dc_link_detect() was called for the
7176 * dc_link which will be represented by this aconnector.
7178 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
7179 struct amdgpu_dm_connector *aconnector,
7180 uint32_t link_index,
7181 struct amdgpu_encoder *aencoder)
7185 struct dc *dc = dm->dc;
7186 struct dc_link *link = dc_get_link_at_index(dc, link_index);
7187 struct amdgpu_i2c_adapter *i2c;
7189 link->priv = aconnector;
7191 DRM_DEBUG_DRIVER("%s()\n", __func__);
7193 i2c = create_i2c(link->ddc, link->link_index, &res);
7195 DRM_ERROR("Failed to create i2c adapter data\n");
7199 aconnector->i2c = i2c;
7200 res = i2c_add_adapter(&i2c->base);
7203 DRM_ERROR("Failed to register hw i2c %d\n", link->link_index);
7207 connector_type = to_drm_connector_type(link->connector_signal);
7209 res = drm_connector_init_with_ddc(
7212 &amdgpu_dm_connector_funcs,
7217 DRM_ERROR("connector_init failed\n");
7218 aconnector->connector_id = -1;
7222 drm_connector_helper_add(
7224 &amdgpu_dm_connector_helper_funcs);
7226 amdgpu_dm_connector_init_helper(
7233 drm_connector_attach_encoder(
7234 &aconnector->base, &aencoder->base);
7236 if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
7237 || connector_type == DRM_MODE_CONNECTOR_eDP)
7238 amdgpu_dm_initialize_dp_connector(dm, aconnector, link->link_index);
7243 aconnector->i2c = NULL;
7248 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev)
7250 switch (adev->mode_info.num_crtc) {
7267 static int amdgpu_dm_encoder_init(struct drm_device *dev,
7268 struct amdgpu_encoder *aencoder,
7269 uint32_t link_index)
7271 struct amdgpu_device *adev = drm_to_adev(dev);
7273 int res = drm_encoder_init(dev,
7275 &amdgpu_dm_encoder_funcs,
7276 DRM_MODE_ENCODER_TMDS,
7279 aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev);
7282 aencoder->encoder_id = link_index;
7284 aencoder->encoder_id = -1;
7286 drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs);
7291 static void manage_dm_interrupts(struct amdgpu_device *adev,
7292 struct amdgpu_crtc *acrtc,
7296 * We have no guarantee that the frontend index maps to the same
7297 * backend index - some even map to more than one.
7299 * TODO: Use a different interrupt or check DC itself for the mapping.
7302 amdgpu_display_crtc_idx_to_irq_type(
7307 drm_crtc_vblank_on(&acrtc->base);
7310 &adev->pageflip_irq,
7312 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
7319 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
7327 &adev->pageflip_irq,
7329 drm_crtc_vblank_off(&acrtc->base);
7333 static void dm_update_pflip_irq_state(struct amdgpu_device *adev,
7334 struct amdgpu_crtc *acrtc)
7337 amdgpu_display_crtc_idx_to_irq_type(adev, acrtc->crtc_id);
7340 * This reads the current state for the IRQ and force reapplies
7341 * the setting to hardware.
7343 amdgpu_irq_update(adev, &adev->pageflip_irq, irq_type);
7347 is_scaling_state_different(const struct dm_connector_state *dm_state,
7348 const struct dm_connector_state *old_dm_state)
7350 if (dm_state->scaling != old_dm_state->scaling)
7352 if (!dm_state->underscan_enable && old_dm_state->underscan_enable) {
7353 if (old_dm_state->underscan_hborder != 0 && old_dm_state->underscan_vborder != 0)
7355 } else if (dm_state->underscan_enable && !old_dm_state->underscan_enable) {
7356 if (dm_state->underscan_hborder != 0 && dm_state->underscan_vborder != 0)
7358 } else if (dm_state->underscan_hborder != old_dm_state->underscan_hborder ||
7359 dm_state->underscan_vborder != old_dm_state->underscan_vborder)
7364 #ifdef CONFIG_DRM_AMD_DC_HDCP
7365 static bool is_content_protection_different(struct drm_connector_state *state,
7366 const struct drm_connector_state *old_state,
7367 const struct drm_connector *connector, struct hdcp_workqueue *hdcp_w)
7369 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
7370 struct dm_connector_state *dm_con_state = to_dm_connector_state(connector->state);
7372 /* Handle: Type0/1 change */
7373 if (old_state->hdcp_content_type != state->hdcp_content_type &&
7374 state->content_protection != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
7375 state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED;
7379 /* CP is being re enabled, ignore this
7381 * Handles: ENABLED -> DESIRED
7383 if (old_state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED &&
7384 state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) {
7385 state->content_protection = DRM_MODE_CONTENT_PROTECTION_ENABLED;
7389 /* S3 resume case, since old state will always be 0 (UNDESIRED) and the restored state will be ENABLED
7391 * Handles: UNDESIRED -> ENABLED
7393 if (old_state->content_protection == DRM_MODE_CONTENT_PROTECTION_UNDESIRED &&
7394 state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED)
7395 state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED;
7397 /* Stream removed and re-enabled
7399 * Can sometimes overlap with the HPD case,
7400 * thus set update_hdcp to false to avoid
7401 * setting HDCP multiple times.
7403 * Handles: DESIRED -> DESIRED (Special case)
7405 if (!(old_state->crtc && old_state->crtc->enabled) &&
7406 state->crtc && state->crtc->enabled &&
7407 connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) {
7408 dm_con_state->update_hdcp = false;
7412 /* Hot-plug, headless s3, dpms
7414 * Only start HDCP if the display is connected/enabled.
7415 * update_hdcp flag will be set to false until the next
7418 * Handles: DESIRED -> DESIRED (Special case)
7420 if (dm_con_state->update_hdcp && state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED &&
7421 connector->dpms == DRM_MODE_DPMS_ON && aconnector->dc_sink != NULL) {
7422 dm_con_state->update_hdcp = false;
7427 * Handles: UNDESIRED -> UNDESIRED
7428 * DESIRED -> DESIRED
7429 * ENABLED -> ENABLED
7431 if (old_state->content_protection == state->content_protection)
7435 * Handles: UNDESIRED -> DESIRED
7436 * DESIRED -> UNDESIRED
7437 * ENABLED -> UNDESIRED
7439 if (state->content_protection != DRM_MODE_CONTENT_PROTECTION_ENABLED)
7443 * Handles: DESIRED -> ENABLED
7449 static void remove_stream(struct amdgpu_device *adev,
7450 struct amdgpu_crtc *acrtc,
7451 struct dc_stream_state *stream)
7453 /* this is the update mode case */
7455 acrtc->otg_inst = -1;
7456 acrtc->enabled = false;
7459 static void prepare_flip_isr(struct amdgpu_crtc *acrtc)
7462 assert_spin_locked(&acrtc->base.dev->event_lock);
7463 WARN_ON(acrtc->event);
7465 acrtc->event = acrtc->base.state->event;
7467 /* Set the flip status */
7468 acrtc->pflip_status = AMDGPU_FLIP_SUBMITTED;
7470 /* Mark this event as consumed */
7471 acrtc->base.state->event = NULL;
7473 DC_LOG_PFLIP("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n",
7477 static void update_freesync_state_on_stream(
7478 struct amdgpu_display_manager *dm,
7479 struct dm_crtc_state *new_crtc_state,
7480 struct dc_stream_state *new_stream,
7481 struct dc_plane_state *surface,
7482 u32 flip_timestamp_in_us)
7484 struct mod_vrr_params vrr_params;
7485 struct dc_info_packet vrr_infopacket = {0};
7486 struct amdgpu_device *adev = dm->adev;
7487 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(new_crtc_state->base.crtc);
7488 unsigned long flags;
7489 bool pack_sdp_v1_3 = false;
7495 * TODO: Determine why min/max totals and vrefresh can be 0 here.
7496 * For now it's sufficient to just guard against these conditions.
7499 if (!new_stream->timing.h_total || !new_stream->timing.v_total)
7502 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
7503 vrr_params = acrtc->dm_irq_params.vrr_params;
7506 mod_freesync_handle_preflip(
7507 dm->freesync_module,
7510 flip_timestamp_in_us,
7513 if (adev->family < AMDGPU_FAMILY_AI &&
7514 amdgpu_dm_vrr_active(new_crtc_state)) {
7515 mod_freesync_handle_v_update(dm->freesync_module,
7516 new_stream, &vrr_params);
7518 /* Need to call this before the frame ends. */
7519 dc_stream_adjust_vmin_vmax(dm->dc,
7520 new_crtc_state->stream,
7521 &vrr_params.adjust);
7525 mod_freesync_build_vrr_infopacket(
7526 dm->freesync_module,
7530 TRANSFER_FUNC_UNKNOWN,
7534 new_crtc_state->freesync_vrr_info_changed |=
7535 (memcmp(&new_crtc_state->vrr_infopacket,
7537 sizeof(vrr_infopacket)) != 0);
7539 acrtc->dm_irq_params.vrr_params = vrr_params;
7540 new_crtc_state->vrr_infopacket = vrr_infopacket;
7542 new_stream->vrr_infopacket = vrr_infopacket;
7544 if (new_crtc_state->freesync_vrr_info_changed)
7545 DRM_DEBUG_KMS("VRR packet update: crtc=%u enabled=%d state=%d",
7546 new_crtc_state->base.crtc->base.id,
7547 (int)new_crtc_state->base.vrr_enabled,
7548 (int)vrr_params.state);
7550 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
7553 static void update_stream_irq_parameters(
7554 struct amdgpu_display_manager *dm,
7555 struct dm_crtc_state *new_crtc_state)
7557 struct dc_stream_state *new_stream = new_crtc_state->stream;
7558 struct mod_vrr_params vrr_params;
7559 struct mod_freesync_config config = new_crtc_state->freesync_config;
7560 struct amdgpu_device *adev = dm->adev;
7561 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(new_crtc_state->base.crtc);
7562 unsigned long flags;
7568 * TODO: Determine why min/max totals and vrefresh can be 0 here.
7569 * For now it's sufficient to just guard against these conditions.
7571 if (!new_stream->timing.h_total || !new_stream->timing.v_total)
7574 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
7575 vrr_params = acrtc->dm_irq_params.vrr_params;
7577 if (new_crtc_state->vrr_supported &&
7578 config.min_refresh_in_uhz &&
7579 config.max_refresh_in_uhz) {
7581 * if freesync compatible mode was set, config.state will be set
7584 if (config.state == VRR_STATE_ACTIVE_FIXED && config.fixed_refresh_in_uhz &&
7585 (!drm_atomic_crtc_needs_modeset(&new_crtc_state->base) ||
7586 new_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED)) {
7587 vrr_params.max_refresh_in_uhz = config.max_refresh_in_uhz;
7588 vrr_params.min_refresh_in_uhz = config.min_refresh_in_uhz;
7589 vrr_params.fixed_refresh_in_uhz = config.fixed_refresh_in_uhz;
7590 vrr_params.state = VRR_STATE_ACTIVE_FIXED;
7592 config.state = new_crtc_state->base.vrr_enabled ?
7593 VRR_STATE_ACTIVE_VARIABLE :
7597 config.state = VRR_STATE_UNSUPPORTED;
7600 mod_freesync_build_vrr_params(dm->freesync_module,
7602 &config, &vrr_params);
7604 new_crtc_state->freesync_config = config;
7605 /* Copy state for access from DM IRQ handler */
7606 acrtc->dm_irq_params.freesync_config = config;
7607 acrtc->dm_irq_params.active_planes = new_crtc_state->active_planes;
7608 acrtc->dm_irq_params.vrr_params = vrr_params;
7609 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
7612 static void amdgpu_dm_handle_vrr_transition(struct dm_crtc_state *old_state,
7613 struct dm_crtc_state *new_state)
7615 bool old_vrr_active = amdgpu_dm_vrr_active(old_state);
7616 bool new_vrr_active = amdgpu_dm_vrr_active(new_state);
7618 if (!old_vrr_active && new_vrr_active) {
7619 /* Transition VRR inactive -> active:
7620 * While VRR is active, we must not disable vblank irq, as a
7621 * reenable after disable would compute bogus vblank/pflip
7622 * timestamps if it likely happened inside display front-porch.
7624 * We also need vupdate irq for the actual core vblank handling
7627 WARN_ON(dm_set_vupdate_irq(new_state->base.crtc, true) != 0);
7628 WARN_ON(drm_crtc_vblank_get(new_state->base.crtc) != 0);
7629 DRM_DEBUG_DRIVER("%s: crtc=%u VRR off->on: Get vblank ref\n",
7630 __func__, new_state->base.crtc->base.id);
7631 } else if (old_vrr_active && !new_vrr_active) {
7632 /* Transition VRR active -> inactive:
7633 * Allow vblank irq disable again for fixed refresh rate.
7635 WARN_ON(dm_set_vupdate_irq(new_state->base.crtc, false) != 0);
7636 drm_crtc_vblank_put(new_state->base.crtc);
7637 DRM_DEBUG_DRIVER("%s: crtc=%u VRR on->off: Drop vblank ref\n",
7638 __func__, new_state->base.crtc->base.id);
7642 static void amdgpu_dm_commit_cursors(struct drm_atomic_state *state)
7644 struct drm_plane *plane;
7645 struct drm_plane_state *old_plane_state;
7649 * TODO: Make this per-stream so we don't issue redundant updates for
7650 * commits with multiple streams.
7652 for_each_old_plane_in_state(state, plane, old_plane_state, i)
7653 if (plane->type == DRM_PLANE_TYPE_CURSOR)
7654 handle_cursor_update(plane, old_plane_state);
7657 static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
7658 struct dc_state *dc_state,
7659 struct drm_device *dev,
7660 struct amdgpu_display_manager *dm,
7661 struct drm_crtc *pcrtc,
7662 bool wait_for_vblank)
7665 uint64_t timestamp_ns;
7666 struct drm_plane *plane;
7667 struct drm_plane_state *old_plane_state, *new_plane_state;
7668 struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc);
7669 struct drm_crtc_state *new_pcrtc_state =
7670 drm_atomic_get_new_crtc_state(state, pcrtc);
7671 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state);
7672 struct dm_crtc_state *dm_old_crtc_state =
7673 to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc));
7674 int planes_count = 0, vpos, hpos;
7675 unsigned long flags;
7676 uint32_t target_vblank, last_flip_vblank;
7677 bool vrr_active = amdgpu_dm_vrr_active(acrtc_state);
7678 bool cursor_update = false;
7679 bool pflip_present = false;
7681 struct dc_surface_update surface_updates[MAX_SURFACES];
7682 struct dc_plane_info plane_infos[MAX_SURFACES];
7683 struct dc_scaling_info scaling_infos[MAX_SURFACES];
7684 struct dc_flip_addrs flip_addrs[MAX_SURFACES];
7685 struct dc_stream_update stream_update;
7688 bundle = kzalloc(sizeof(*bundle), GFP_KERNEL);
7691 dm_error("Failed to allocate update bundle\n");
7696 * Disable the cursor first if we're disabling all the planes.
7697 * It'll remain on the screen after the planes are re-enabled
7700 if (acrtc_state->active_planes == 0)
7701 amdgpu_dm_commit_cursors(state);
7703 /* update planes when needed */
7704 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
7705 struct drm_crtc *crtc = new_plane_state->crtc;
7706 struct drm_crtc_state *new_crtc_state;
7707 struct drm_framebuffer *fb = new_plane_state->fb;
7708 struct amdgpu_framebuffer *afb = (struct amdgpu_framebuffer *)fb;
7709 bool plane_needs_flip;
7710 struct dc_plane_state *dc_plane;
7711 struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state);
7713 /* Cursor plane is handled after stream updates */
7714 if (plane->type == DRM_PLANE_TYPE_CURSOR) {
7715 if ((fb && crtc == pcrtc) ||
7716 (old_plane_state->fb && old_plane_state->crtc == pcrtc))
7717 cursor_update = true;
7722 if (!fb || !crtc || pcrtc != crtc)
7725 new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
7726 if (!new_crtc_state->active)
7729 dc_plane = dm_new_plane_state->dc_state;
7731 bundle->surface_updates[planes_count].surface = dc_plane;
7732 if (new_pcrtc_state->color_mgmt_changed) {
7733 bundle->surface_updates[planes_count].gamma = dc_plane->gamma_correction;
7734 bundle->surface_updates[planes_count].in_transfer_func = dc_plane->in_transfer_func;
7735 bundle->surface_updates[planes_count].gamut_remap_matrix = &dc_plane->gamut_remap_matrix;
7738 fill_dc_scaling_info(dm->adev, new_plane_state,
7739 &bundle->scaling_infos[planes_count]);
7741 bundle->surface_updates[planes_count].scaling_info =
7742 &bundle->scaling_infos[planes_count];
7744 plane_needs_flip = old_plane_state->fb && new_plane_state->fb;
7746 pflip_present = pflip_present || plane_needs_flip;
7748 if (!plane_needs_flip) {
7753 fill_dc_plane_info_and_addr(
7754 dm->adev, new_plane_state,
7756 &bundle->plane_infos[planes_count],
7757 &bundle->flip_addrs[planes_count].address,
7758 afb->tmz_surface, false);
7760 drm_dbg_state(state->dev, "plane: id=%d dcc_en=%d\n",
7761 new_plane_state->plane->index,
7762 bundle->plane_infos[planes_count].dcc.enable);
7764 bundle->surface_updates[planes_count].plane_info =
7765 &bundle->plane_infos[planes_count];
7767 if (acrtc_state->stream->link->psr_settings.psr_feature_enabled)
7768 fill_dc_dirty_rects(plane, old_plane_state,
7769 new_plane_state, new_crtc_state,
7770 &bundle->flip_addrs[planes_count]);
7773 * Only allow immediate flips for fast updates that don't
7774 * change FB pitch, DCC state, rotation or mirroing.
7776 bundle->flip_addrs[planes_count].flip_immediate =
7777 crtc->state->async_flip &&
7778 acrtc_state->update_type == UPDATE_TYPE_FAST;
7780 timestamp_ns = ktime_get_ns();
7781 bundle->flip_addrs[planes_count].flip_timestamp_in_us = div_u64(timestamp_ns, 1000);
7782 bundle->surface_updates[planes_count].flip_addr = &bundle->flip_addrs[planes_count];
7783 bundle->surface_updates[planes_count].surface = dc_plane;
7785 if (!bundle->surface_updates[planes_count].surface) {
7786 DRM_ERROR("No surface for CRTC: id=%d\n",
7787 acrtc_attach->crtc_id);
7791 if (plane == pcrtc->primary)
7792 update_freesync_state_on_stream(
7795 acrtc_state->stream,
7797 bundle->flip_addrs[planes_count].flip_timestamp_in_us);
7799 drm_dbg_state(state->dev, "%s Flipping to hi: 0x%x, low: 0x%x\n",
7801 bundle->flip_addrs[planes_count].address.grph.addr.high_part,
7802 bundle->flip_addrs[planes_count].address.grph.addr.low_part);
7808 if (pflip_present) {
7810 /* Use old throttling in non-vrr fixed refresh rate mode
7811 * to keep flip scheduling based on target vblank counts
7812 * working in a backwards compatible way, e.g., for
7813 * clients using the GLX_OML_sync_control extension or
7814 * DRI3/Present extension with defined target_msc.
7816 last_flip_vblank = amdgpu_get_vblank_counter_kms(pcrtc);
7819 /* For variable refresh rate mode only:
7820 * Get vblank of last completed flip to avoid > 1 vrr
7821 * flips per video frame by use of throttling, but allow
7822 * flip programming anywhere in the possibly large
7823 * variable vrr vblank interval for fine-grained flip
7824 * timing control and more opportunity to avoid stutter
7825 * on late submission of flips.
7827 spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
7828 last_flip_vblank = acrtc_attach->dm_irq_params.last_flip_vblank;
7829 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
7832 target_vblank = last_flip_vblank + wait_for_vblank;
7835 * Wait until we're out of the vertical blank period before the one
7836 * targeted by the flip
7838 while ((acrtc_attach->enabled &&
7839 (amdgpu_display_get_crtc_scanoutpos(dm->ddev, acrtc_attach->crtc_id,
7840 0, &vpos, &hpos, NULL,
7841 NULL, &pcrtc->hwmode)
7842 & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) ==
7843 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) &&
7844 (int)(target_vblank -
7845 amdgpu_get_vblank_counter_kms(pcrtc)) > 0)) {
7846 usleep_range(1000, 1100);
7850 * Prepare the flip event for the pageflip interrupt to handle.
7852 * This only works in the case where we've already turned on the
7853 * appropriate hardware blocks (eg. HUBP) so in the transition case
7854 * from 0 -> n planes we have to skip a hardware generated event
7855 * and rely on sending it from software.
7857 if (acrtc_attach->base.state->event &&
7858 acrtc_state->active_planes > 0) {
7859 drm_crtc_vblank_get(pcrtc);
7861 spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
7863 WARN_ON(acrtc_attach->pflip_status != AMDGPU_FLIP_NONE);
7864 prepare_flip_isr(acrtc_attach);
7866 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
7869 if (acrtc_state->stream) {
7870 if (acrtc_state->freesync_vrr_info_changed)
7871 bundle->stream_update.vrr_infopacket =
7872 &acrtc_state->stream->vrr_infopacket;
7874 } else if (cursor_update && acrtc_state->active_planes > 0 &&
7875 acrtc_attach->base.state->event) {
7876 drm_crtc_vblank_get(pcrtc);
7878 spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
7880 acrtc_attach->event = acrtc_attach->base.state->event;
7881 acrtc_attach->base.state->event = NULL;
7883 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
7886 /* Update the planes if changed or disable if we don't have any. */
7887 if ((planes_count || acrtc_state->active_planes == 0) &&
7888 acrtc_state->stream) {
7890 * If PSR or idle optimizations are enabled then flush out
7891 * any pending work before hardware programming.
7893 if (dm->vblank_control_workqueue)
7894 flush_workqueue(dm->vblank_control_workqueue);
7896 bundle->stream_update.stream = acrtc_state->stream;
7897 if (new_pcrtc_state->mode_changed) {
7898 bundle->stream_update.src = acrtc_state->stream->src;
7899 bundle->stream_update.dst = acrtc_state->stream->dst;
7902 if (new_pcrtc_state->color_mgmt_changed) {
7904 * TODO: This isn't fully correct since we've actually
7905 * already modified the stream in place.
7907 bundle->stream_update.gamut_remap =
7908 &acrtc_state->stream->gamut_remap_matrix;
7909 bundle->stream_update.output_csc_transform =
7910 &acrtc_state->stream->csc_color_matrix;
7911 bundle->stream_update.out_transfer_func =
7912 acrtc_state->stream->out_transfer_func;
7915 acrtc_state->stream->abm_level = acrtc_state->abm_level;
7916 if (acrtc_state->abm_level != dm_old_crtc_state->abm_level)
7917 bundle->stream_update.abm_level = &acrtc_state->abm_level;
7920 * If FreeSync state on the stream has changed then we need to
7921 * re-adjust the min/max bounds now that DC doesn't handle this
7922 * as part of commit.
7924 if (is_dc_timing_adjust_needed(dm_old_crtc_state, acrtc_state)) {
7925 spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
7926 dc_stream_adjust_vmin_vmax(
7927 dm->dc, acrtc_state->stream,
7928 &acrtc_attach->dm_irq_params.vrr_params.adjust);
7929 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
7931 mutex_lock(&dm->dc_lock);
7932 if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
7933 acrtc_state->stream->link->psr_settings.psr_allow_active)
7934 amdgpu_dm_psr_disable(acrtc_state->stream);
7936 dc_commit_updates_for_stream(dm->dc,
7937 bundle->surface_updates,
7939 acrtc_state->stream,
7940 &bundle->stream_update,
7944 * Enable or disable the interrupts on the backend.
7946 * Most pipes are put into power gating when unused.
7948 * When power gating is enabled on a pipe we lose the
7949 * interrupt enablement state when power gating is disabled.
7951 * So we need to update the IRQ control state in hardware
7952 * whenever the pipe turns on (since it could be previously
7953 * power gated) or off (since some pipes can't be power gated
7956 if (dm_old_crtc_state->active_planes != acrtc_state->active_planes)
7957 dm_update_pflip_irq_state(drm_to_adev(dev),
7960 if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
7961 acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
7962 !acrtc_state->stream->link->psr_settings.psr_feature_enabled)
7963 amdgpu_dm_link_setup_psr(acrtc_state->stream);
7965 /* Decrement skip count when PSR is enabled and we're doing fast updates. */
7966 if (acrtc_state->update_type == UPDATE_TYPE_FAST &&
7967 acrtc_state->stream->link->psr_settings.psr_feature_enabled) {
7968 struct amdgpu_dm_connector *aconn =
7969 (struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context;
7971 if (aconn->psr_skip_count > 0)
7972 aconn->psr_skip_count--;
7974 /* Allow PSR when skip count is 0. */
7975 acrtc_attach->dm_irq_params.allow_psr_entry = !aconn->psr_skip_count;
7978 * If sink supports PSR SU, there is no need to rely on
7979 * a vblank event disable request to enable PSR. PSR SU
7980 * can be enabled immediately once OS demonstrates an
7981 * adequate number of fast atomic commits to notify KMD
7982 * of update events. See `vblank_control_worker()`.
7984 if (acrtc_state->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 &&
7985 acrtc_attach->dm_irq_params.allow_psr_entry &&
7986 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY
7987 !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
7989 !acrtc_state->stream->link->psr_settings.psr_allow_active)
7990 amdgpu_dm_psr_enable(acrtc_state->stream);
7992 acrtc_attach->dm_irq_params.allow_psr_entry = false;
7995 mutex_unlock(&dm->dc_lock);
7999 * Update cursor state *after* programming all the planes.
8000 * This avoids redundant programming in the case where we're going
8001 * to be disabling a single plane - those pipes are being disabled.
8003 if (acrtc_state->active_planes)
8004 amdgpu_dm_commit_cursors(state);
8010 static void amdgpu_dm_commit_audio(struct drm_device *dev,
8011 struct drm_atomic_state *state)
8013 struct amdgpu_device *adev = drm_to_adev(dev);
8014 struct amdgpu_dm_connector *aconnector;
8015 struct drm_connector *connector;
8016 struct drm_connector_state *old_con_state, *new_con_state;
8017 struct drm_crtc_state *new_crtc_state;
8018 struct dm_crtc_state *new_dm_crtc_state;
8019 const struct dc_stream_status *status;
8022 /* Notify device removals. */
8023 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
8024 if (old_con_state->crtc != new_con_state->crtc) {
8025 /* CRTC changes require notification. */
8029 if (!new_con_state->crtc)
8032 new_crtc_state = drm_atomic_get_new_crtc_state(
8033 state, new_con_state->crtc);
8035 if (!new_crtc_state)
8038 if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
8042 aconnector = to_amdgpu_dm_connector(connector);
8044 mutex_lock(&adev->dm.audio_lock);
8045 inst = aconnector->audio_inst;
8046 aconnector->audio_inst = -1;
8047 mutex_unlock(&adev->dm.audio_lock);
8049 amdgpu_dm_audio_eld_notify(adev, inst);
8052 /* Notify audio device additions. */
8053 for_each_new_connector_in_state(state, connector, new_con_state, i) {
8054 if (!new_con_state->crtc)
8057 new_crtc_state = drm_atomic_get_new_crtc_state(
8058 state, new_con_state->crtc);
8060 if (!new_crtc_state)
8063 if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
8066 new_dm_crtc_state = to_dm_crtc_state(new_crtc_state);
8067 if (!new_dm_crtc_state->stream)
8070 status = dc_stream_get_status(new_dm_crtc_state->stream);
8074 aconnector = to_amdgpu_dm_connector(connector);
8076 mutex_lock(&adev->dm.audio_lock);
8077 inst = status->audio_inst;
8078 aconnector->audio_inst = inst;
8079 mutex_unlock(&adev->dm.audio_lock);
8081 amdgpu_dm_audio_eld_notify(adev, inst);
8086 * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC
8087 * @crtc_state: the DRM CRTC state
8088 * @stream_state: the DC stream state.
8090 * Copy the mirrored transient state flags from DRM, to DC. It is used to bring
8091 * a dc_stream_state's flags in sync with a drm_crtc_state's flags.
8093 static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state,
8094 struct dc_stream_state *stream_state)
8096 stream_state->mode_changed = drm_atomic_crtc_needs_modeset(crtc_state);
8100 * amdgpu_dm_atomic_commit_tail() - AMDgpu DM's commit tail implementation.
8101 * @state: The atomic state to commit
8103 * This will tell DC to commit the constructed DC state from atomic_check,
8104 * programming the hardware. Any failures here implies a hardware failure, since
8105 * atomic check should have filtered anything non-kosher.
8107 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
8109 struct drm_device *dev = state->dev;
8110 struct amdgpu_device *adev = drm_to_adev(dev);
8111 struct amdgpu_display_manager *dm = &adev->dm;
8112 struct dm_atomic_state *dm_state;
8113 struct dc_state *dc_state = NULL, *dc_state_temp = NULL;
8115 struct drm_crtc *crtc;
8116 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
8117 unsigned long flags;
8118 bool wait_for_vblank = true;
8119 struct drm_connector *connector;
8120 struct drm_connector_state *old_con_state, *new_con_state;
8121 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
8122 int crtc_disable_count = 0;
8123 bool mode_set_reset_required = false;
8126 trace_amdgpu_dm_atomic_commit_tail_begin(state);
8128 r = drm_atomic_helper_wait_for_fences(dev, state, false);
8130 DRM_ERROR("Waiting for fences timed out!");
8132 drm_atomic_helper_update_legacy_modeset_state(dev, state);
8133 drm_dp_mst_atomic_wait_for_dependencies(state);
8135 dm_state = dm_atomic_get_new_state(state);
8136 if (dm_state && dm_state->context) {
8137 dc_state = dm_state->context;
8139 /* No state changes, retain current state. */
8140 dc_state_temp = dc_create_state(dm->dc);
8141 ASSERT(dc_state_temp);
8142 dc_state = dc_state_temp;
8143 dc_resource_state_copy_construct_current(dm->dc, dc_state);
8146 for_each_oldnew_crtc_in_state (state, crtc, old_crtc_state,
8147 new_crtc_state, i) {
8148 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
8150 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
8152 if (old_crtc_state->active &&
8153 (!new_crtc_state->active ||
8154 drm_atomic_crtc_needs_modeset(new_crtc_state))) {
8155 manage_dm_interrupts(adev, acrtc, false);
8156 dc_stream_release(dm_old_crtc_state->stream);
8160 drm_atomic_helper_calc_timestamping_constants(state);
8162 /* update changed items */
8163 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
8164 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
8166 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8167 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
8169 drm_dbg_state(state->dev,
8170 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
8171 "planes_changed:%d, mode_changed:%d,active_changed:%d,"
8172 "connectors_changed:%d\n",
8174 new_crtc_state->enable,
8175 new_crtc_state->active,
8176 new_crtc_state->planes_changed,
8177 new_crtc_state->mode_changed,
8178 new_crtc_state->active_changed,
8179 new_crtc_state->connectors_changed);
8181 /* Disable cursor if disabling crtc */
8182 if (old_crtc_state->active && !new_crtc_state->active) {
8183 struct dc_cursor_position position;
8185 memset(&position, 0, sizeof(position));
8186 mutex_lock(&dm->dc_lock);
8187 dc_stream_set_cursor_position(dm_old_crtc_state->stream, &position);
8188 mutex_unlock(&dm->dc_lock);
8191 /* Copy all transient state flags into dc state */
8192 if (dm_new_crtc_state->stream) {
8193 amdgpu_dm_crtc_copy_transient_flags(&dm_new_crtc_state->base,
8194 dm_new_crtc_state->stream);
8197 /* handles headless hotplug case, updating new_state and
8198 * aconnector as needed
8201 if (modeset_required(new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream)) {
8203 DRM_DEBUG_ATOMIC("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc);
8205 if (!dm_new_crtc_state->stream) {
8207 * this could happen because of issues with
8208 * userspace notifications delivery.
8209 * In this case userspace tries to set mode on
8210 * display which is disconnected in fact.
8211 * dc_sink is NULL in this case on aconnector.
8212 * We expect reset mode will come soon.
8214 * This can also happen when unplug is done
8215 * during resume sequence ended
8217 * In this case, we want to pretend we still
8218 * have a sink to keep the pipe running so that
8219 * hw state is consistent with the sw state
8221 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
8222 __func__, acrtc->base.base.id);
8226 if (dm_old_crtc_state->stream)
8227 remove_stream(adev, acrtc, dm_old_crtc_state->stream);
8229 pm_runtime_get_noresume(dev->dev);
8231 acrtc->enabled = true;
8232 acrtc->hw_mode = new_crtc_state->mode;
8233 crtc->hwmode = new_crtc_state->mode;
8234 mode_set_reset_required = true;
8235 } else if (modereset_required(new_crtc_state)) {
8236 DRM_DEBUG_ATOMIC("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc);
8237 /* i.e. reset mode */
8238 if (dm_old_crtc_state->stream)
8239 remove_stream(adev, acrtc, dm_old_crtc_state->stream);
8241 mode_set_reset_required = true;
8243 } /* for_each_crtc_in_state() */
8246 /* if there mode set or reset, disable eDP PSR */
8247 if (mode_set_reset_required) {
8248 if (dm->vblank_control_workqueue)
8249 flush_workqueue(dm->vblank_control_workqueue);
8251 amdgpu_dm_psr_disable_all(dm);
8254 dm_enable_per_frame_crtc_master_sync(dc_state);
8255 mutex_lock(&dm->dc_lock);
8256 WARN_ON(!dc_commit_state(dm->dc, dc_state));
8258 /* Allow idle optimization when vblank count is 0 for display off */
8259 if (dm->active_vblank_irq_count == 0)
8260 dc_allow_idle_optimizations(dm->dc, true);
8261 mutex_unlock(&dm->dc_lock);
8264 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
8265 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
8267 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8269 if (dm_new_crtc_state->stream != NULL) {
8270 const struct dc_stream_status *status =
8271 dc_stream_get_status(dm_new_crtc_state->stream);
8274 status = dc_stream_get_status_from_state(dc_state,
8275 dm_new_crtc_state->stream);
8277 DC_ERR("got no status for stream %p on acrtc%p\n", dm_new_crtc_state->stream, acrtc);
8279 acrtc->otg_inst = status->primary_otg_inst;
8282 #ifdef CONFIG_DRM_AMD_DC_HDCP
8283 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
8284 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
8285 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
8286 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
8288 new_crtc_state = NULL;
8291 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
8293 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8295 if (dm_new_crtc_state && dm_new_crtc_state->stream == NULL &&
8296 connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED) {
8297 hdcp_reset_display(adev->dm.hdcp_workqueue, aconnector->dc_link->link_index);
8298 new_con_state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED;
8299 dm_new_con_state->update_hdcp = true;
8303 if (is_content_protection_different(new_con_state, old_con_state, connector, adev->dm.hdcp_workqueue))
8304 hdcp_update_display(
8305 adev->dm.hdcp_workqueue, aconnector->dc_link->link_index, aconnector,
8306 new_con_state->hdcp_content_type,
8307 new_con_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED);
8311 /* Handle connector state changes */
8312 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
8313 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
8314 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
8315 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
8316 struct dc_surface_update dummy_updates[MAX_SURFACES];
8317 struct dc_stream_update stream_update;
8318 struct dc_info_packet hdr_packet;
8319 struct dc_stream_status *status = NULL;
8320 bool abm_changed, hdr_changed, scaling_changed;
8322 memset(&dummy_updates, 0, sizeof(dummy_updates));
8323 memset(&stream_update, 0, sizeof(stream_update));
8326 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
8327 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base);
8330 /* Skip any modesets/resets */
8331 if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state))
8334 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8335 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
8337 scaling_changed = is_scaling_state_different(dm_new_con_state,
8340 abm_changed = dm_new_crtc_state->abm_level !=
8341 dm_old_crtc_state->abm_level;
8344 !drm_connector_atomic_hdr_metadata_equal(old_con_state, new_con_state);
8346 if (!scaling_changed && !abm_changed && !hdr_changed)
8349 stream_update.stream = dm_new_crtc_state->stream;
8350 if (scaling_changed) {
8351 update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode,
8352 dm_new_con_state, dm_new_crtc_state->stream);
8354 stream_update.src = dm_new_crtc_state->stream->src;
8355 stream_update.dst = dm_new_crtc_state->stream->dst;
8359 dm_new_crtc_state->stream->abm_level = dm_new_crtc_state->abm_level;
8361 stream_update.abm_level = &dm_new_crtc_state->abm_level;
8365 fill_hdr_info_packet(new_con_state, &hdr_packet);
8366 stream_update.hdr_static_metadata = &hdr_packet;
8369 status = dc_stream_get_status(dm_new_crtc_state->stream);
8371 if (WARN_ON(!status))
8374 WARN_ON(!status->plane_count);
8377 * TODO: DC refuses to perform stream updates without a dc_surface_update.
8378 * Here we create an empty update on each plane.
8379 * To fix this, DC should permit updating only stream properties.
8381 for (j = 0; j < status->plane_count; j++)
8382 dummy_updates[j].surface = status->plane_states[0];
8385 mutex_lock(&dm->dc_lock);
8386 dc_commit_updates_for_stream(dm->dc,
8388 status->plane_count,
8389 dm_new_crtc_state->stream,
8392 mutex_unlock(&dm->dc_lock);
8396 * Enable interrupts for CRTCs that are newly enabled or went through
8397 * a modeset. It was intentionally deferred until after the front end
8398 * state was modified to wait until the OTG was on and so the IRQ
8399 * handlers didn't access stale or invalid state.
8401 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
8402 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
8403 #ifdef CONFIG_DEBUG_FS
8404 enum amdgpu_dm_pipe_crc_source cur_crc_src;
8405 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
8406 struct crc_rd_work *crc_rd_wrk;
8409 /* Count number of newly disabled CRTCs for dropping PM refs later. */
8410 if (old_crtc_state->active && !new_crtc_state->active)
8411 crtc_disable_count++;
8413 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8414 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
8416 /* For freesync config update on crtc state and params for irq */
8417 update_stream_irq_parameters(dm, dm_new_crtc_state);
8419 #ifdef CONFIG_DEBUG_FS
8420 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
8421 crc_rd_wrk = dm->crc_rd_wrk;
8423 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
8424 cur_crc_src = acrtc->dm_irq_params.crc_src;
8425 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
8428 if (new_crtc_state->active &&
8429 (!old_crtc_state->active ||
8430 drm_atomic_crtc_needs_modeset(new_crtc_state))) {
8431 dc_stream_retain(dm_new_crtc_state->stream);
8432 acrtc->dm_irq_params.stream = dm_new_crtc_state->stream;
8433 manage_dm_interrupts(adev, acrtc, true);
8435 /* Handle vrr on->off / off->on transitions */
8436 amdgpu_dm_handle_vrr_transition(dm_old_crtc_state, dm_new_crtc_state);
8438 #ifdef CONFIG_DEBUG_FS
8439 if (new_crtc_state->active &&
8440 (!old_crtc_state->active ||
8441 drm_atomic_crtc_needs_modeset(new_crtc_state))) {
8443 * Frontend may have changed so reapply the CRC capture
8444 * settings for the stream.
8446 if (amdgpu_dm_is_valid_crc_source(cur_crc_src)) {
8447 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
8448 if (amdgpu_dm_crc_window_is_activated(crtc)) {
8449 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
8450 acrtc->dm_irq_params.window_param.update_win = true;
8451 acrtc->dm_irq_params.window_param.skip_frame_cnt = 2;
8452 spin_lock_irq(&crc_rd_wrk->crc_rd_work_lock);
8453 crc_rd_wrk->crtc = crtc;
8454 spin_unlock_irq(&crc_rd_wrk->crc_rd_work_lock);
8455 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
8458 if (amdgpu_dm_crtc_configure_crc_source(
8459 crtc, dm_new_crtc_state, cur_crc_src))
8460 DRM_DEBUG_DRIVER("Failed to configure crc source");
8466 for_each_new_crtc_in_state(state, crtc, new_crtc_state, j)
8467 if (new_crtc_state->async_flip)
8468 wait_for_vblank = false;
8470 /* update planes when needed per crtc*/
8471 for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) {
8472 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8474 if (dm_new_crtc_state->stream)
8475 amdgpu_dm_commit_planes(state, dc_state, dev,
8476 dm, crtc, wait_for_vblank);
8479 /* Update audio instances for each connector. */
8480 amdgpu_dm_commit_audio(dev, state);
8482 /* restore the backlight level */
8483 for (i = 0; i < dm->num_of_edps; i++) {
8484 if (dm->backlight_dev[i] &&
8485 (dm->actual_brightness[i] != dm->brightness[i]))
8486 amdgpu_dm_backlight_set_level(dm, i, dm->brightness[i]);
8490 * send vblank event on all events not handled in flip and
8491 * mark consumed event for drm_atomic_helper_commit_hw_done
8493 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
8494 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
8496 if (new_crtc_state->event)
8497 drm_send_event_locked(dev, &new_crtc_state->event->base);
8499 new_crtc_state->event = NULL;
8501 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
8503 /* Signal HW programming completion */
8504 drm_atomic_helper_commit_hw_done(state);
8506 if (wait_for_vblank)
8507 drm_atomic_helper_wait_for_flip_done(dev, state);
8509 drm_atomic_helper_cleanup_planes(dev, state);
8511 /* return the stolen vga memory back to VRAM */
8512 if (!adev->mman.keep_stolen_vga_memory)
8513 amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
8514 amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL);
8517 * Finally, drop a runtime PM reference for each newly disabled CRTC,
8518 * so we can put the GPU into runtime suspend if we're not driving any
8521 for (i = 0; i < crtc_disable_count; i++)
8522 pm_runtime_put_autosuspend(dev->dev);
8523 pm_runtime_mark_last_busy(dev->dev);
8526 dc_release_state(dc_state_temp);
8529 static int dm_force_atomic_commit(struct drm_connector *connector)
8532 struct drm_device *ddev = connector->dev;
8533 struct drm_atomic_state *state = drm_atomic_state_alloc(ddev);
8534 struct amdgpu_crtc *disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc);
8535 struct drm_plane *plane = disconnected_acrtc->base.primary;
8536 struct drm_connector_state *conn_state;
8537 struct drm_crtc_state *crtc_state;
8538 struct drm_plane_state *plane_state;
8543 state->acquire_ctx = ddev->mode_config.acquire_ctx;
8545 /* Construct an atomic state to restore previous display setting */
8548 * Attach connectors to drm_atomic_state
8550 conn_state = drm_atomic_get_connector_state(state, connector);
8552 ret = PTR_ERR_OR_ZERO(conn_state);
8556 /* Attach crtc to drm_atomic_state*/
8557 crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);
8559 ret = PTR_ERR_OR_ZERO(crtc_state);
8563 /* force a restore */
8564 crtc_state->mode_changed = true;
8566 /* Attach plane to drm_atomic_state */
8567 plane_state = drm_atomic_get_plane_state(state, plane);
8569 ret = PTR_ERR_OR_ZERO(plane_state);
8573 /* Call commit internally with the state we just constructed */
8574 ret = drm_atomic_commit(state);
8577 drm_atomic_state_put(state);
8579 DRM_ERROR("Restoring old state failed with %i\n", ret);
8585 * This function handles all cases when set mode does not come upon hotplug.
8586 * This includes when a display is unplugged then plugged back into the
8587 * same port and when running without usermode desktop manager supprot
8589 void dm_restore_drm_connector_state(struct drm_device *dev,
8590 struct drm_connector *connector)
8592 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
8593 struct amdgpu_crtc *disconnected_acrtc;
8594 struct dm_crtc_state *acrtc_state;
8596 if (!aconnector->dc_sink || !connector->state || !connector->encoder)
8599 disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc);
8600 if (!disconnected_acrtc)
8603 acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state);
8604 if (!acrtc_state->stream)
8608 * If the previous sink is not released and different from the current,
8609 * we deduce we are in a state where we can not rely on usermode call
8610 * to turn on the display, so we do it here
8612 if (acrtc_state->stream->sink != aconnector->dc_sink)
8613 dm_force_atomic_commit(&aconnector->base);
8617 * Grabs all modesetting locks to serialize against any blocking commits,
8618 * Waits for completion of all non blocking commits.
8620 static int do_aquire_global_lock(struct drm_device *dev,
8621 struct drm_atomic_state *state)
8623 struct drm_crtc *crtc;
8624 struct drm_crtc_commit *commit;
8628 * Adding all modeset locks to aquire_ctx will
8629 * ensure that when the framework release it the
8630 * extra locks we are locking here will get released to
8632 ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx);
8636 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
8637 spin_lock(&crtc->commit_lock);
8638 commit = list_first_entry_or_null(&crtc->commit_list,
8639 struct drm_crtc_commit, commit_entry);
8641 drm_crtc_commit_get(commit);
8642 spin_unlock(&crtc->commit_lock);
8648 * Make sure all pending HW programming completed and
8651 ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ);
8654 ret = wait_for_completion_interruptible_timeout(
8655 &commit->flip_done, 10*HZ);
8658 DRM_ERROR("[CRTC:%d:%s] hw_done or flip_done "
8659 "timed out\n", crtc->base.id, crtc->name);
8661 drm_crtc_commit_put(commit);
8664 return ret < 0 ? ret : 0;
8667 static void get_freesync_config_for_crtc(
8668 struct dm_crtc_state *new_crtc_state,
8669 struct dm_connector_state *new_con_state)
8671 struct mod_freesync_config config = {0};
8672 struct amdgpu_dm_connector *aconnector =
8673 to_amdgpu_dm_connector(new_con_state->base.connector);
8674 struct drm_display_mode *mode = &new_crtc_state->base.mode;
8675 int vrefresh = drm_mode_vrefresh(mode);
8676 bool fs_vid_mode = false;
8678 new_crtc_state->vrr_supported = new_con_state->freesync_capable &&
8679 vrefresh >= aconnector->min_vfreq &&
8680 vrefresh <= aconnector->max_vfreq;
8682 if (new_crtc_state->vrr_supported) {
8683 new_crtc_state->stream->ignore_msa_timing_param = true;
8684 fs_vid_mode = new_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED;
8686 config.min_refresh_in_uhz = aconnector->min_vfreq * 1000000;
8687 config.max_refresh_in_uhz = aconnector->max_vfreq * 1000000;
8688 config.vsif_supported = true;
8692 config.state = VRR_STATE_ACTIVE_FIXED;
8693 config.fixed_refresh_in_uhz = new_crtc_state->freesync_config.fixed_refresh_in_uhz;
8695 } else if (new_crtc_state->base.vrr_enabled) {
8696 config.state = VRR_STATE_ACTIVE_VARIABLE;
8698 config.state = VRR_STATE_INACTIVE;
8702 new_crtc_state->freesync_config = config;
8705 static void reset_freesync_config_for_crtc(
8706 struct dm_crtc_state *new_crtc_state)
8708 new_crtc_state->vrr_supported = false;
8710 memset(&new_crtc_state->vrr_infopacket, 0,
8711 sizeof(new_crtc_state->vrr_infopacket));
8715 is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state,
8716 struct drm_crtc_state *new_crtc_state)
8718 const struct drm_display_mode *old_mode, *new_mode;
8720 if (!old_crtc_state || !new_crtc_state)
8723 old_mode = &old_crtc_state->mode;
8724 new_mode = &new_crtc_state->mode;
8726 if (old_mode->clock == new_mode->clock &&
8727 old_mode->hdisplay == new_mode->hdisplay &&
8728 old_mode->vdisplay == new_mode->vdisplay &&
8729 old_mode->htotal == new_mode->htotal &&
8730 old_mode->vtotal != new_mode->vtotal &&
8731 old_mode->hsync_start == new_mode->hsync_start &&
8732 old_mode->vsync_start != new_mode->vsync_start &&
8733 old_mode->hsync_end == new_mode->hsync_end &&
8734 old_mode->vsync_end != new_mode->vsync_end &&
8735 old_mode->hskew == new_mode->hskew &&
8736 old_mode->vscan == new_mode->vscan &&
8737 (old_mode->vsync_end - old_mode->vsync_start) ==
8738 (new_mode->vsync_end - new_mode->vsync_start))
8744 static void set_freesync_fixed_config(struct dm_crtc_state *dm_new_crtc_state) {
8745 uint64_t num, den, res;
8746 struct drm_crtc_state *new_crtc_state = &dm_new_crtc_state->base;
8748 dm_new_crtc_state->freesync_config.state = VRR_STATE_ACTIVE_FIXED;
8750 num = (unsigned long long)new_crtc_state->mode.clock * 1000 * 1000000;
8751 den = (unsigned long long)new_crtc_state->mode.htotal *
8752 (unsigned long long)new_crtc_state->mode.vtotal;
8754 res = div_u64(num, den);
8755 dm_new_crtc_state->freesync_config.fixed_refresh_in_uhz = res;
8758 static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
8759 struct drm_atomic_state *state,
8760 struct drm_crtc *crtc,
8761 struct drm_crtc_state *old_crtc_state,
8762 struct drm_crtc_state *new_crtc_state,
8764 bool *lock_and_validation_needed)
8766 struct dm_atomic_state *dm_state = NULL;
8767 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
8768 struct dc_stream_state *new_stream;
8772 * TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set
8773 * update changed items
8775 struct amdgpu_crtc *acrtc = NULL;
8776 struct amdgpu_dm_connector *aconnector = NULL;
8777 struct drm_connector_state *drm_new_conn_state = NULL, *drm_old_conn_state = NULL;
8778 struct dm_connector_state *dm_new_conn_state = NULL, *dm_old_conn_state = NULL;
8782 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
8783 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
8784 acrtc = to_amdgpu_crtc(crtc);
8785 aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc);
8787 /* TODO This hack should go away */
8788 if (aconnector && enable) {
8789 /* Make sure fake sink is created in plug-in scenario */
8790 drm_new_conn_state = drm_atomic_get_new_connector_state(state,
8792 drm_old_conn_state = drm_atomic_get_old_connector_state(state,
8795 if (IS_ERR(drm_new_conn_state)) {
8796 ret = PTR_ERR_OR_ZERO(drm_new_conn_state);
8800 dm_new_conn_state = to_dm_connector_state(drm_new_conn_state);
8801 dm_old_conn_state = to_dm_connector_state(drm_old_conn_state);
8803 if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
8806 new_stream = create_validate_stream_for_sink(aconnector,
8807 &new_crtc_state->mode,
8809 dm_old_crtc_state->stream);
8812 * we can have no stream on ACTION_SET if a display
8813 * was disconnected during S3, in this case it is not an
8814 * error, the OS will be updated after detection, and
8815 * will do the right thing on next atomic commit
8819 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
8820 __func__, acrtc->base.base.id);
8826 * TODO: Check VSDB bits to decide whether this should
8827 * be enabled or not.
8829 new_stream->triggered_crtc_reset.enabled =
8830 dm->force_timing_sync;
8832 dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level;
8834 ret = fill_hdr_info_packet(drm_new_conn_state,
8835 &new_stream->hdr_static_metadata);
8840 * If we already removed the old stream from the context
8841 * (and set the new stream to NULL) then we can't reuse
8842 * the old stream even if the stream and scaling are unchanged.
8843 * We'll hit the BUG_ON and black screen.
8845 * TODO: Refactor this function to allow this check to work
8846 * in all conditions.
8848 if (amdgpu_freesync_vid_mode &&
8849 dm_new_crtc_state->stream &&
8850 is_timing_unchanged_for_freesync(new_crtc_state, old_crtc_state))
8853 if (dm_new_crtc_state->stream &&
8854 dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
8855 dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
8856 new_crtc_state->mode_changed = false;
8857 DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d",
8858 new_crtc_state->mode_changed);
8862 /* mode_changed flag may get updated above, need to check again */
8863 if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
8866 drm_dbg_state(state->dev,
8867 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
8868 "planes_changed:%d, mode_changed:%d,active_changed:%d,"
8869 "connectors_changed:%d\n",
8871 new_crtc_state->enable,
8872 new_crtc_state->active,
8873 new_crtc_state->planes_changed,
8874 new_crtc_state->mode_changed,
8875 new_crtc_state->active_changed,
8876 new_crtc_state->connectors_changed);
8878 /* Remove stream for any changed/disabled CRTC */
8881 if (!dm_old_crtc_state->stream)
8884 if (amdgpu_freesync_vid_mode && dm_new_crtc_state->stream &&
8885 is_timing_unchanged_for_freesync(new_crtc_state,
8887 new_crtc_state->mode_changed = false;
8889 "Mode change not required for front porch change, "
8890 "setting mode_changed to %d",
8891 new_crtc_state->mode_changed);
8893 set_freesync_fixed_config(dm_new_crtc_state);
8896 } else if (amdgpu_freesync_vid_mode && aconnector &&
8897 is_freesync_video_mode(&new_crtc_state->mode,
8899 struct drm_display_mode *high_mode;
8901 high_mode = get_highest_refresh_rate_mode(aconnector, false);
8902 if (!drm_mode_equal(&new_crtc_state->mode, high_mode)) {
8903 set_freesync_fixed_config(dm_new_crtc_state);
8907 ret = dm_atomic_get_state(state, &dm_state);
8911 DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n",
8914 /* i.e. reset mode */
8915 if (dc_remove_stream_from_ctx(
8918 dm_old_crtc_state->stream) != DC_OK) {
8923 dc_stream_release(dm_old_crtc_state->stream);
8924 dm_new_crtc_state->stream = NULL;
8926 reset_freesync_config_for_crtc(dm_new_crtc_state);
8928 *lock_and_validation_needed = true;
8930 } else {/* Add stream for any updated/enabled CRTC */
8932 * Quick fix to prevent NULL pointer on new_stream when
8933 * added MST connectors not found in existing crtc_state in the chained mode
8934 * TODO: need to dig out the root cause of that
8939 if (modereset_required(new_crtc_state))
8942 if (modeset_required(new_crtc_state, new_stream,
8943 dm_old_crtc_state->stream)) {
8945 WARN_ON(dm_new_crtc_state->stream);
8947 ret = dm_atomic_get_state(state, &dm_state);
8951 dm_new_crtc_state->stream = new_stream;
8953 dc_stream_retain(new_stream);
8955 DRM_DEBUG_ATOMIC("Enabling DRM crtc: %d\n",
8958 if (dc_add_stream_to_ctx(
8961 dm_new_crtc_state->stream) != DC_OK) {
8966 *lock_and_validation_needed = true;
8971 /* Release extra reference */
8973 dc_stream_release(new_stream);
8976 * We want to do dc stream updates that do not require a
8977 * full modeset below.
8979 if (!(enable && aconnector && new_crtc_state->active))
8982 * Given above conditions, the dc state cannot be NULL because:
8983 * 1. We're in the process of enabling CRTCs (just been added
8984 * to the dc context, or already is on the context)
8985 * 2. Has a valid connector attached, and
8986 * 3. Is currently active and enabled.
8987 * => The dc stream state currently exists.
8989 BUG_ON(dm_new_crtc_state->stream == NULL);
8991 /* Scaling or underscan settings */
8992 if (is_scaling_state_different(dm_old_conn_state, dm_new_conn_state) ||
8993 drm_atomic_crtc_needs_modeset(new_crtc_state))
8994 update_stream_scaling_settings(
8995 &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream);
8998 dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level;
9001 * Color management settings. We also update color properties
9002 * when a modeset is needed, to ensure it gets reprogrammed.
9004 if (dm_new_crtc_state->base.color_mgmt_changed ||
9005 drm_atomic_crtc_needs_modeset(new_crtc_state)) {
9006 ret = amdgpu_dm_update_crtc_color_mgmt(dm_new_crtc_state);
9011 /* Update Freesync settings. */
9012 get_freesync_config_for_crtc(dm_new_crtc_state,
9019 dc_stream_release(new_stream);
9023 static bool should_reset_plane(struct drm_atomic_state *state,
9024 struct drm_plane *plane,
9025 struct drm_plane_state *old_plane_state,
9026 struct drm_plane_state *new_plane_state)
9028 struct drm_plane *other;
9029 struct drm_plane_state *old_other_state, *new_other_state;
9030 struct drm_crtc_state *new_crtc_state;
9034 * TODO: Remove this hack once the checks below are sufficient
9035 * enough to determine when we need to reset all the planes on
9038 if (state->allow_modeset)
9041 /* Exit early if we know that we're adding or removing the plane. */
9042 if (old_plane_state->crtc != new_plane_state->crtc)
9045 /* old crtc == new_crtc == NULL, plane not in context. */
9046 if (!new_plane_state->crtc)
9050 drm_atomic_get_new_crtc_state(state, new_plane_state->crtc);
9052 if (!new_crtc_state)
9055 /* CRTC Degamma changes currently require us to recreate planes. */
9056 if (new_crtc_state->color_mgmt_changed)
9059 if (drm_atomic_crtc_needs_modeset(new_crtc_state))
9063 * If there are any new primary or overlay planes being added or
9064 * removed then the z-order can potentially change. To ensure
9065 * correct z-order and pipe acquisition the current DC architecture
9066 * requires us to remove and recreate all existing planes.
9068 * TODO: Come up with a more elegant solution for this.
9070 for_each_oldnew_plane_in_state(state, other, old_other_state, new_other_state, i) {
9071 struct amdgpu_framebuffer *old_afb, *new_afb;
9072 if (other->type == DRM_PLANE_TYPE_CURSOR)
9075 if (old_other_state->crtc != new_plane_state->crtc &&
9076 new_other_state->crtc != new_plane_state->crtc)
9079 if (old_other_state->crtc != new_other_state->crtc)
9082 /* Src/dst size and scaling updates. */
9083 if (old_other_state->src_w != new_other_state->src_w ||
9084 old_other_state->src_h != new_other_state->src_h ||
9085 old_other_state->crtc_w != new_other_state->crtc_w ||
9086 old_other_state->crtc_h != new_other_state->crtc_h)
9089 /* Rotation / mirroring updates. */
9090 if (old_other_state->rotation != new_other_state->rotation)
9093 /* Blending updates. */
9094 if (old_other_state->pixel_blend_mode !=
9095 new_other_state->pixel_blend_mode)
9098 /* Alpha updates. */
9099 if (old_other_state->alpha != new_other_state->alpha)
9102 /* Colorspace changes. */
9103 if (old_other_state->color_range != new_other_state->color_range ||
9104 old_other_state->color_encoding != new_other_state->color_encoding)
9107 /* Framebuffer checks fall at the end. */
9108 if (!old_other_state->fb || !new_other_state->fb)
9111 /* Pixel format changes can require bandwidth updates. */
9112 if (old_other_state->fb->format != new_other_state->fb->format)
9115 old_afb = (struct amdgpu_framebuffer *)old_other_state->fb;
9116 new_afb = (struct amdgpu_framebuffer *)new_other_state->fb;
9118 /* Tiling and DCC changes also require bandwidth updates. */
9119 if (old_afb->tiling_flags != new_afb->tiling_flags ||
9120 old_afb->base.modifier != new_afb->base.modifier)
9127 static int dm_check_cursor_fb(struct amdgpu_crtc *new_acrtc,
9128 struct drm_plane_state *new_plane_state,
9129 struct drm_framebuffer *fb)
9131 struct amdgpu_device *adev = drm_to_adev(new_acrtc->base.dev);
9132 struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb);
9136 if (fb->width > new_acrtc->max_cursor_width ||
9137 fb->height > new_acrtc->max_cursor_height) {
9138 DRM_DEBUG_ATOMIC("Bad cursor FB size %dx%d\n",
9139 new_plane_state->fb->width,
9140 new_plane_state->fb->height);
9143 if (new_plane_state->src_w != fb->width << 16 ||
9144 new_plane_state->src_h != fb->height << 16) {
9145 DRM_DEBUG_ATOMIC("Cropping not supported for cursor plane\n");
9149 /* Pitch in pixels */
9150 pitch = fb->pitches[0] / fb->format->cpp[0];
9152 if (fb->width != pitch) {
9153 DRM_DEBUG_ATOMIC("Cursor FB width %d doesn't match pitch %d",
9162 /* FB pitch is supported by cursor plane */
9165 DRM_DEBUG_ATOMIC("Bad cursor FB pitch %d px\n", pitch);
9169 /* Core DRM takes care of checking FB modifiers, so we only need to
9170 * check tiling flags when the FB doesn't have a modifier. */
9171 if (!(fb->flags & DRM_MODE_FB_MODIFIERS)) {
9172 if (adev->family < AMDGPU_FAMILY_AI) {
9173 linear = AMDGPU_TILING_GET(afb->tiling_flags, ARRAY_MODE) != DC_ARRAY_2D_TILED_THIN1 &&
9174 AMDGPU_TILING_GET(afb->tiling_flags, ARRAY_MODE) != DC_ARRAY_1D_TILED_THIN1 &&
9175 AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE) == 0;
9177 linear = AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0;
9180 DRM_DEBUG_ATOMIC("Cursor FB not linear");
9188 static int dm_update_plane_state(struct dc *dc,
9189 struct drm_atomic_state *state,
9190 struct drm_plane *plane,
9191 struct drm_plane_state *old_plane_state,
9192 struct drm_plane_state *new_plane_state,
9194 bool *lock_and_validation_needed)
9197 struct dm_atomic_state *dm_state = NULL;
9198 struct drm_crtc *new_plane_crtc, *old_plane_crtc;
9199 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
9200 struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state;
9201 struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state;
9202 struct amdgpu_crtc *new_acrtc;
9207 new_plane_crtc = new_plane_state->crtc;
9208 old_plane_crtc = old_plane_state->crtc;
9209 dm_new_plane_state = to_dm_plane_state(new_plane_state);
9210 dm_old_plane_state = to_dm_plane_state(old_plane_state);
9212 if (plane->type == DRM_PLANE_TYPE_CURSOR) {
9213 if (!enable || !new_plane_crtc ||
9214 drm_atomic_plane_disabling(plane->state, new_plane_state))
9217 new_acrtc = to_amdgpu_crtc(new_plane_crtc);
9219 if (new_plane_state->src_x != 0 || new_plane_state->src_y != 0) {
9220 DRM_DEBUG_ATOMIC("Cropping not supported for cursor plane\n");
9224 if (new_plane_state->fb) {
9225 ret = dm_check_cursor_fb(new_acrtc, new_plane_state,
9226 new_plane_state->fb);
9234 needs_reset = should_reset_plane(state, plane, old_plane_state,
9237 /* Remove any changed/removed planes */
9242 if (!old_plane_crtc)
9245 old_crtc_state = drm_atomic_get_old_crtc_state(
9246 state, old_plane_crtc);
9247 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
9249 if (!dm_old_crtc_state->stream)
9252 DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n",
9253 plane->base.id, old_plane_crtc->base.id);
9255 ret = dm_atomic_get_state(state, &dm_state);
9259 if (!dc_remove_plane_from_context(
9261 dm_old_crtc_state->stream,
9262 dm_old_plane_state->dc_state,
9263 dm_state->context)) {
9269 dc_plane_state_release(dm_old_plane_state->dc_state);
9270 dm_new_plane_state->dc_state = NULL;
9272 *lock_and_validation_needed = true;
9274 } else { /* Add new planes */
9275 struct dc_plane_state *dc_new_plane_state;
9277 if (drm_atomic_plane_disabling(plane->state, new_plane_state))
9280 if (!new_plane_crtc)
9283 new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_crtc);
9284 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
9286 if (!dm_new_crtc_state->stream)
9292 ret = dm_plane_helper_check_state(new_plane_state, new_crtc_state);
9296 WARN_ON(dm_new_plane_state->dc_state);
9298 dc_new_plane_state = dc_create_plane_state(dc);
9299 if (!dc_new_plane_state)
9302 DRM_DEBUG_ATOMIC("Enabling DRM plane: %d on DRM crtc %d\n",
9303 plane->base.id, new_plane_crtc->base.id);
9305 ret = fill_dc_plane_attributes(
9306 drm_to_adev(new_plane_crtc->dev),
9311 dc_plane_state_release(dc_new_plane_state);
9315 ret = dm_atomic_get_state(state, &dm_state);
9317 dc_plane_state_release(dc_new_plane_state);
9322 * Any atomic check errors that occur after this will
9323 * not need a release. The plane state will be attached
9324 * to the stream, and therefore part of the atomic
9325 * state. It'll be released when the atomic state is
9328 if (!dc_add_plane_to_context(
9330 dm_new_crtc_state->stream,
9332 dm_state->context)) {
9334 dc_plane_state_release(dc_new_plane_state);
9338 dm_new_plane_state->dc_state = dc_new_plane_state;
9340 dm_new_crtc_state->mpo_requested |= (plane->type == DRM_PLANE_TYPE_OVERLAY);
9342 /* Tell DC to do a full surface update every time there
9343 * is a plane change. Inefficient, but works for now.
9345 dm_new_plane_state->dc_state->update_flags.bits.full_update = 1;
9347 *lock_and_validation_needed = true;
9354 static void dm_get_oriented_plane_size(struct drm_plane_state *plane_state,
9355 int *src_w, int *src_h)
9357 switch (plane_state->rotation & DRM_MODE_ROTATE_MASK) {
9358 case DRM_MODE_ROTATE_90:
9359 case DRM_MODE_ROTATE_270:
9360 *src_w = plane_state->src_h >> 16;
9361 *src_h = plane_state->src_w >> 16;
9363 case DRM_MODE_ROTATE_0:
9364 case DRM_MODE_ROTATE_180:
9366 *src_w = plane_state->src_w >> 16;
9367 *src_h = plane_state->src_h >> 16;
9372 static int dm_check_crtc_cursor(struct drm_atomic_state *state,
9373 struct drm_crtc *crtc,
9374 struct drm_crtc_state *new_crtc_state)
9376 struct drm_plane *cursor = crtc->cursor, *underlying;
9377 struct drm_plane_state *new_cursor_state, *new_underlying_state;
9379 int cursor_scale_w, cursor_scale_h, underlying_scale_w, underlying_scale_h;
9380 int cursor_src_w, cursor_src_h;
9381 int underlying_src_w, underlying_src_h;
9383 /* On DCE and DCN there is no dedicated hardware cursor plane. We get a
9384 * cursor per pipe but it's going to inherit the scaling and
9385 * positioning from the underlying pipe. Check the cursor plane's
9386 * blending properties match the underlying planes'. */
9388 new_cursor_state = drm_atomic_get_new_plane_state(state, cursor);
9389 if (!new_cursor_state || !new_cursor_state->fb) {
9393 dm_get_oriented_plane_size(new_cursor_state, &cursor_src_w, &cursor_src_h);
9394 cursor_scale_w = new_cursor_state->crtc_w * 1000 / cursor_src_w;
9395 cursor_scale_h = new_cursor_state->crtc_h * 1000 / cursor_src_h;
9397 for_each_new_plane_in_state_reverse(state, underlying, new_underlying_state, i) {
9398 /* Narrow down to non-cursor planes on the same CRTC as the cursor */
9399 if (new_underlying_state->crtc != crtc || underlying == crtc->cursor)
9402 /* Ignore disabled planes */
9403 if (!new_underlying_state->fb)
9406 dm_get_oriented_plane_size(new_underlying_state,
9407 &underlying_src_w, &underlying_src_h);
9408 underlying_scale_w = new_underlying_state->crtc_w * 1000 / underlying_src_w;
9409 underlying_scale_h = new_underlying_state->crtc_h * 1000 / underlying_src_h;
9411 if (cursor_scale_w != underlying_scale_w ||
9412 cursor_scale_h != underlying_scale_h) {
9413 drm_dbg_atomic(crtc->dev,
9414 "Cursor [PLANE:%d:%s] scaling doesn't match underlying [PLANE:%d:%s]\n",
9415 cursor->base.id, cursor->name, underlying->base.id, underlying->name);
9419 /* If this plane covers the whole CRTC, no need to check planes underneath */
9420 if (new_underlying_state->crtc_x <= 0 &&
9421 new_underlying_state->crtc_y <= 0 &&
9422 new_underlying_state->crtc_x + new_underlying_state->crtc_w >= new_crtc_state->mode.hdisplay &&
9423 new_underlying_state->crtc_y + new_underlying_state->crtc_h >= new_crtc_state->mode.vdisplay)
9430 #if defined(CONFIG_DRM_AMD_DC_DCN)
9431 static int add_affected_mst_dsc_crtcs(struct drm_atomic_state *state, struct drm_crtc *crtc)
9433 struct drm_connector *connector;
9434 struct drm_connector_state *conn_state, *old_conn_state;
9435 struct amdgpu_dm_connector *aconnector = NULL;
9437 for_each_oldnew_connector_in_state(state, connector, old_conn_state, conn_state, i) {
9438 if (!conn_state->crtc)
9439 conn_state = old_conn_state;
9441 if (conn_state->crtc != crtc)
9444 aconnector = to_amdgpu_dm_connector(connector);
9445 if (!aconnector->port || !aconnector->mst_port)
9454 return drm_dp_mst_add_affected_dsc_crtcs(state, &aconnector->mst_port->mst_mgr);
9459 * amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM.
9461 * @dev: The DRM device
9462 * @state: The atomic state to commit
9464 * Validate that the given atomic state is programmable by DC into hardware.
9465 * This involves constructing a &struct dc_state reflecting the new hardware
9466 * state we wish to commit, then querying DC to see if it is programmable. It's
9467 * important not to modify the existing DC state. Otherwise, atomic_check
9468 * may unexpectedly commit hardware changes.
9470 * When validating the DC state, it's important that the right locks are
9471 * acquired. For full updates case which removes/adds/updates streams on one
9472 * CRTC while flipping on another CRTC, acquiring global lock will guarantee
9473 * that any such full update commit will wait for completion of any outstanding
9474 * flip using DRMs synchronization events.
9476 * Note that DM adds the affected connectors for all CRTCs in state, when that
9477 * might not seem necessary. This is because DC stream creation requires the
9478 * DC sink, which is tied to the DRM connector state. Cleaning this up should
9479 * be possible but non-trivial - a possible TODO item.
9481 * Return: -Error code if validation failed.
9483 static int amdgpu_dm_atomic_check(struct drm_device *dev,
9484 struct drm_atomic_state *state)
9486 struct amdgpu_device *adev = drm_to_adev(dev);
9487 struct dm_atomic_state *dm_state = NULL;
9488 struct dc *dc = adev->dm.dc;
9489 struct drm_connector *connector;
9490 struct drm_connector_state *old_con_state, *new_con_state;
9491 struct drm_crtc *crtc;
9492 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
9493 struct drm_dp_mst_topology_mgr *mgr;
9494 struct drm_dp_mst_topology_state *mst_state;
9495 struct drm_plane *plane;
9496 struct drm_plane_state *old_plane_state, *new_plane_state;
9497 enum dc_status status;
9499 bool lock_and_validation_needed = false;
9500 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
9501 #if defined(CONFIG_DRM_AMD_DC_DCN)
9502 struct dsc_mst_fairness_vars vars[MAX_PIPES];
9505 trace_amdgpu_dm_atomic_check_begin(state);
9507 ret = drm_atomic_helper_check_modeset(dev, state);
9509 DRM_DEBUG_DRIVER("drm_atomic_helper_check_modeset() failed\n");
9513 /* Check connector changes */
9514 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
9515 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
9516 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
9518 /* Skip connectors that are disabled or part of modeset already. */
9519 if (!new_con_state->crtc)
9522 new_crtc_state = drm_atomic_get_crtc_state(state, new_con_state->crtc);
9523 if (IS_ERR(new_crtc_state)) {
9524 DRM_DEBUG_DRIVER("drm_atomic_get_crtc_state() failed\n");
9525 ret = PTR_ERR(new_crtc_state);
9529 if (dm_old_con_state->abm_level != dm_new_con_state->abm_level ||
9530 dm_old_con_state->scaling != dm_new_con_state->scaling)
9531 new_crtc_state->connectors_changed = true;
9534 #if defined(CONFIG_DRM_AMD_DC_DCN)
9535 if (dc_resource_is_dsc_encoding_supported(dc)) {
9536 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
9537 if (drm_atomic_crtc_needs_modeset(new_crtc_state)) {
9538 ret = add_affected_mst_dsc_crtcs(state, crtc);
9540 DRM_DEBUG_DRIVER("add_affected_mst_dsc_crtcs() failed\n");
9547 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
9548 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
9550 if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
9551 !new_crtc_state->color_mgmt_changed &&
9552 old_crtc_state->vrr_enabled == new_crtc_state->vrr_enabled &&
9553 dm_old_crtc_state->dsc_force_changed == false)
9556 ret = amdgpu_dm_verify_lut_sizes(new_crtc_state);
9558 DRM_DEBUG_DRIVER("amdgpu_dm_verify_lut_sizes() failed\n");
9562 if (!new_crtc_state->enable)
9565 ret = drm_atomic_add_affected_connectors(state, crtc);
9567 DRM_DEBUG_DRIVER("drm_atomic_add_affected_connectors() failed\n");
9571 ret = drm_atomic_add_affected_planes(state, crtc);
9573 DRM_DEBUG_DRIVER("drm_atomic_add_affected_planes() failed\n");
9577 if (dm_old_crtc_state->dsc_force_changed)
9578 new_crtc_state->mode_changed = true;
9582 * Add all primary and overlay planes on the CRTC to the state
9583 * whenever a plane is enabled to maintain correct z-ordering
9584 * and to enable fast surface updates.
9586 drm_for_each_crtc(crtc, dev) {
9587 bool modified = false;
9589 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
9590 if (plane->type == DRM_PLANE_TYPE_CURSOR)
9593 if (new_plane_state->crtc == crtc ||
9594 old_plane_state->crtc == crtc) {
9603 drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) {
9604 if (plane->type == DRM_PLANE_TYPE_CURSOR)
9608 drm_atomic_get_plane_state(state, plane);
9610 if (IS_ERR(new_plane_state)) {
9611 ret = PTR_ERR(new_plane_state);
9612 DRM_DEBUG_DRIVER("new_plane_state is BAD\n");
9619 * DC consults the zpos (layer_index in DC terminology) to determine the
9620 * hw plane on which to enable the hw cursor (see
9621 * `dcn10_can_pipe_disable_cursor`). By now, all modified planes are in
9622 * atomic state, so call drm helper to normalize zpos.
9624 drm_atomic_normalize_zpos(dev, state);
9626 /* Remove exiting planes if they are modified */
9627 for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
9628 ret = dm_update_plane_state(dc, state, plane,
9632 &lock_and_validation_needed);
9634 DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n");
9639 /* Disable all crtcs which require disable */
9640 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
9641 ret = dm_update_crtc_state(&adev->dm, state, crtc,
9645 &lock_and_validation_needed);
9647 DRM_DEBUG_DRIVER("DISABLE: dm_update_crtc_state() failed\n");
9652 /* Enable all crtcs which require enable */
9653 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
9654 ret = dm_update_crtc_state(&adev->dm, state, crtc,
9658 &lock_and_validation_needed);
9660 DRM_DEBUG_DRIVER("ENABLE: dm_update_crtc_state() failed\n");
9665 /* Add new/modified planes */
9666 for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
9667 ret = dm_update_plane_state(dc, state, plane,
9671 &lock_and_validation_needed);
9673 DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n");
9678 #if defined(CONFIG_DRM_AMD_DC_DCN)
9679 if (dc_resource_is_dsc_encoding_supported(dc)) {
9680 ret = pre_validate_dsc(state, &dm_state, vars);
9686 /* Run this here since we want to validate the streams we created */
9687 ret = drm_atomic_helper_check_planes(dev, state);
9689 DRM_DEBUG_DRIVER("drm_atomic_helper_check_planes() failed\n");
9693 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
9694 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
9695 if (dm_new_crtc_state->mpo_requested)
9696 DRM_DEBUG_DRIVER("MPO enablement requested on crtc:[%p]\n", crtc);
9699 /* Check cursor planes scaling */
9700 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
9701 ret = dm_check_crtc_cursor(state, crtc, new_crtc_state);
9703 DRM_DEBUG_DRIVER("dm_check_crtc_cursor() failed\n");
9708 if (state->legacy_cursor_update) {
9710 * This is a fast cursor update coming from the plane update
9711 * helper, check if it can be done asynchronously for better
9714 state->async_update =
9715 !drm_atomic_helper_async_check(dev, state);
9718 * Skip the remaining global validation if this is an async
9719 * update. Cursor updates can be done without affecting
9720 * state or bandwidth calcs and this avoids the performance
9721 * penalty of locking the private state object and
9722 * allocating a new dc_state.
9724 if (state->async_update)
9728 /* Check scaling and underscan changes*/
9729 /* TODO Removed scaling changes validation due to inability to commit
9730 * new stream into context w\o causing full reset. Need to
9731 * decide how to handle.
9733 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
9734 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
9735 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
9736 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
9738 /* Skip any modesets/resets */
9739 if (!acrtc || drm_atomic_crtc_needs_modeset(
9740 drm_atomic_get_new_crtc_state(state, &acrtc->base)))
9743 /* Skip any thing not scale or underscan changes */
9744 if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state))
9747 lock_and_validation_needed = true;
9750 #if defined(CONFIG_DRM_AMD_DC_DCN)
9751 /* set the slot info for each mst_state based on the link encoding format */
9752 for_each_new_mst_mgr_in_state(state, mgr, mst_state, i) {
9753 struct amdgpu_dm_connector *aconnector;
9754 struct drm_connector *connector;
9755 struct drm_connector_list_iter iter;
9758 drm_connector_list_iter_begin(dev, &iter);
9759 drm_for_each_connector_iter(connector, &iter) {
9760 if (connector->index == mst_state->mgr->conn_base_id) {
9761 aconnector = to_amdgpu_dm_connector(connector);
9762 link_coding_cap = dc_link_dp_mst_decide_link_encoding_format(aconnector->dc_link);
9763 drm_dp_mst_update_slots(mst_state, link_coding_cap);
9768 drm_connector_list_iter_end(&iter);
9773 * Streams and planes are reset when there are changes that affect
9774 * bandwidth. Anything that affects bandwidth needs to go through
9775 * DC global validation to ensure that the configuration can be applied
9778 * We have to currently stall out here in atomic_check for outstanding
9779 * commits to finish in this case because our IRQ handlers reference
9780 * DRM state directly - we can end up disabling interrupts too early
9783 * TODO: Remove this stall and drop DM state private objects.
9785 if (lock_and_validation_needed) {
9786 ret = dm_atomic_get_state(state, &dm_state);
9788 DRM_DEBUG_DRIVER("dm_atomic_get_state() failed\n");
9792 ret = do_aquire_global_lock(dev, state);
9794 DRM_DEBUG_DRIVER("do_aquire_global_lock() failed\n");
9798 #if defined(CONFIG_DRM_AMD_DC_DCN)
9799 ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars);
9801 DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n");
9805 ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars);
9807 DRM_DEBUG_DRIVER("dm_update_mst_vcpi_slots_for_dsc() failed\n");
9813 * Perform validation of MST topology in the state:
9814 * We need to perform MST atomic check before calling
9815 * dc_validate_global_state(), or there is a chance
9816 * to get stuck in an infinite loop and hang eventually.
9818 ret = drm_dp_mst_atomic_check(state);
9820 DRM_DEBUG_DRIVER("drm_dp_mst_atomic_check() failed\n");
9823 status = dc_validate_global_state(dc, dm_state->context, true);
9824 if (status != DC_OK) {
9825 DRM_DEBUG_DRIVER("DC global validation failure: %s (%d)",
9826 dc_status_to_str(status), status);
9832 * The commit is a fast update. Fast updates shouldn't change
9833 * the DC context, affect global validation, and can have their
9834 * commit work done in parallel with other commits not touching
9835 * the same resource. If we have a new DC context as part of
9836 * the DM atomic state from validation we need to free it and
9837 * retain the existing one instead.
9839 * Furthermore, since the DM atomic state only contains the DC
9840 * context and can safely be annulled, we can free the state
9841 * and clear the associated private object now to free
9842 * some memory and avoid a possible use-after-free later.
9845 for (i = 0; i < state->num_private_objs; i++) {
9846 struct drm_private_obj *obj = state->private_objs[i].ptr;
9848 if (obj->funcs == adev->dm.atomic_obj.funcs) {
9849 int j = state->num_private_objs-1;
9851 dm_atomic_destroy_state(obj,
9852 state->private_objs[i].state);
9854 /* If i is not at the end of the array then the
9855 * last element needs to be moved to where i was
9856 * before the array can safely be truncated.
9859 state->private_objs[i] =
9860 state->private_objs[j];
9862 state->private_objs[j].ptr = NULL;
9863 state->private_objs[j].state = NULL;
9864 state->private_objs[j].old_state = NULL;
9865 state->private_objs[j].new_state = NULL;
9867 state->num_private_objs = j;
9873 /* Store the overall update type for use later in atomic check. */
9874 for_each_new_crtc_in_state (state, crtc, new_crtc_state, i) {
9875 struct dm_crtc_state *dm_new_crtc_state =
9876 to_dm_crtc_state(new_crtc_state);
9878 dm_new_crtc_state->update_type = lock_and_validation_needed ?
9883 /* Must be success */
9886 trace_amdgpu_dm_atomic_check_finish(state, ret);
9891 if (ret == -EDEADLK)
9892 DRM_DEBUG_DRIVER("Atomic check stopped to avoid deadlock.\n");
9893 else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS)
9894 DRM_DEBUG_DRIVER("Atomic check stopped due to signal.\n");
9896 DRM_DEBUG_DRIVER("Atomic check failed with err: %d \n", ret);
9898 trace_amdgpu_dm_atomic_check_finish(state, ret);
9903 static bool is_dp_capable_without_timing_msa(struct dc *dc,
9904 struct amdgpu_dm_connector *amdgpu_dm_connector)
9907 bool capable = false;
9909 if (amdgpu_dm_connector->dc_link &&
9910 dm_helpers_dp_read_dpcd(
9912 amdgpu_dm_connector->dc_link,
9913 DP_DOWN_STREAM_PORT_COUNT,
9915 sizeof(dpcd_data))) {
9916 capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false;
9922 static bool dm_edid_parser_send_cea(struct amdgpu_display_manager *dm,
9923 unsigned int offset,
9924 unsigned int total_length,
9926 unsigned int length,
9927 struct amdgpu_hdmi_vsdb_info *vsdb)
9930 union dmub_rb_cmd cmd;
9931 struct dmub_cmd_send_edid_cea *input;
9932 struct dmub_cmd_edid_cea_output *output;
9934 if (length > DMUB_EDID_CEA_DATA_CHUNK_BYTES)
9937 memset(&cmd, 0, sizeof(cmd));
9939 input = &cmd.edid_cea.data.input;
9941 cmd.edid_cea.header.type = DMUB_CMD__EDID_CEA;
9942 cmd.edid_cea.header.sub_type = 0;
9943 cmd.edid_cea.header.payload_bytes =
9944 sizeof(cmd.edid_cea) - sizeof(cmd.edid_cea.header);
9945 input->offset = offset;
9946 input->length = length;
9947 input->cea_total_length = total_length;
9948 memcpy(input->payload, data, length);
9950 res = dc_dmub_srv_cmd_with_reply_data(dm->dc->ctx->dmub_srv, &cmd);
9952 DRM_ERROR("EDID CEA parser failed\n");
9956 output = &cmd.edid_cea.data.output;
9958 if (output->type == DMUB_CMD__EDID_CEA_ACK) {
9959 if (!output->ack.success) {
9960 DRM_ERROR("EDID CEA ack failed at offset %d\n",
9961 output->ack.offset);
9963 } else if (output->type == DMUB_CMD__EDID_CEA_AMD_VSDB) {
9964 if (!output->amd_vsdb.vsdb_found)
9967 vsdb->freesync_supported = output->amd_vsdb.freesync_supported;
9968 vsdb->amd_vsdb_version = output->amd_vsdb.amd_vsdb_version;
9969 vsdb->min_refresh_rate_hz = output->amd_vsdb.min_frame_rate;
9970 vsdb->max_refresh_rate_hz = output->amd_vsdb.max_frame_rate;
9972 DRM_WARN("Unknown EDID CEA parser results\n");
9979 static bool parse_edid_cea_dmcu(struct amdgpu_display_manager *dm,
9980 uint8_t *edid_ext, int len,
9981 struct amdgpu_hdmi_vsdb_info *vsdb_info)
9985 /* send extension block to DMCU for parsing */
9986 for (i = 0; i < len; i += 8) {
9990 /* send 8 bytes a time */
9991 if (!dc_edid_parser_send_cea(dm->dc, i, len, &edid_ext[i], 8))
9995 /* EDID block sent completed, expect result */
9996 int version, min_rate, max_rate;
9998 res = dc_edid_parser_recv_amd_vsdb(dm->dc, &version, &min_rate, &max_rate);
10000 /* amd vsdb found */
10001 vsdb_info->freesync_supported = 1;
10002 vsdb_info->amd_vsdb_version = version;
10003 vsdb_info->min_refresh_rate_hz = min_rate;
10004 vsdb_info->max_refresh_rate_hz = max_rate;
10012 res = dc_edid_parser_recv_cea_ack(dm->dc, &offset);
10020 static bool parse_edid_cea_dmub(struct amdgpu_display_manager *dm,
10021 uint8_t *edid_ext, int len,
10022 struct amdgpu_hdmi_vsdb_info *vsdb_info)
10026 /* send extension block to DMCU for parsing */
10027 for (i = 0; i < len; i += 8) {
10028 /* send 8 bytes a time */
10029 if (!dm_edid_parser_send_cea(dm, i, len, &edid_ext[i], 8, vsdb_info))
10033 return vsdb_info->freesync_supported;
10036 static bool parse_edid_cea(struct amdgpu_dm_connector *aconnector,
10037 uint8_t *edid_ext, int len,
10038 struct amdgpu_hdmi_vsdb_info *vsdb_info)
10040 struct amdgpu_device *adev = drm_to_adev(aconnector->base.dev);
10042 if (adev->dm.dmub_srv)
10043 return parse_edid_cea_dmub(&adev->dm, edid_ext, len, vsdb_info);
10045 return parse_edid_cea_dmcu(&adev->dm, edid_ext, len, vsdb_info);
10048 static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector,
10049 struct edid *edid, struct amdgpu_hdmi_vsdb_info *vsdb_info)
10051 uint8_t *edid_ext = NULL;
10053 bool valid_vsdb_found = false;
10055 /*----- drm_find_cea_extension() -----*/
10056 /* No EDID or EDID extensions */
10057 if (edid == NULL || edid->extensions == 0)
10060 /* Find CEA extension */
10061 for (i = 0; i < edid->extensions; i++) {
10062 edid_ext = (uint8_t *)edid + EDID_LENGTH * (i + 1);
10063 if (edid_ext[0] == CEA_EXT)
10067 if (i == edid->extensions)
10070 /*----- cea_db_offsets() -----*/
10071 if (edid_ext[0] != CEA_EXT)
10074 valid_vsdb_found = parse_edid_cea(aconnector, edid_ext, EDID_LENGTH, vsdb_info);
10076 return valid_vsdb_found ? i : -ENODEV;
10080 * amdgpu_dm_update_freesync_caps - Update Freesync capabilities
10082 * @connector: Connector to query.
10083 * @edid: EDID from monitor
10085 * Amdgpu supports Freesync in DP and HDMI displays, and it is required to keep
10086 * track of some of the display information in the internal data struct used by
10087 * amdgpu_dm. This function checks which type of connector we need to set the
10088 * FreeSync parameters.
10090 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
10094 struct detailed_timing *timing;
10095 struct detailed_non_pixel *data;
10096 struct detailed_data_monitor_range *range;
10097 struct amdgpu_dm_connector *amdgpu_dm_connector =
10098 to_amdgpu_dm_connector(connector);
10099 struct dm_connector_state *dm_con_state = NULL;
10100 struct dc_sink *sink;
10102 struct drm_device *dev = connector->dev;
10103 struct amdgpu_device *adev = drm_to_adev(dev);
10104 struct amdgpu_hdmi_vsdb_info vsdb_info = {0};
10105 bool freesync_capable = false;
10107 if (!connector->state) {
10108 DRM_ERROR("%s - Connector has no state", __func__);
10112 sink = amdgpu_dm_connector->dc_sink ?
10113 amdgpu_dm_connector->dc_sink :
10114 amdgpu_dm_connector->dc_em_sink;
10116 if (!edid || !sink) {
10117 dm_con_state = to_dm_connector_state(connector->state);
10119 amdgpu_dm_connector->min_vfreq = 0;
10120 amdgpu_dm_connector->max_vfreq = 0;
10121 amdgpu_dm_connector->pixel_clock_mhz = 0;
10122 connector->display_info.monitor_range.min_vfreq = 0;
10123 connector->display_info.monitor_range.max_vfreq = 0;
10124 freesync_capable = false;
10129 dm_con_state = to_dm_connector_state(connector->state);
10131 if (!adev->dm.freesync_module)
10134 if (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT
10135 || sink->sink_signal == SIGNAL_TYPE_EDP) {
10136 bool edid_check_required = false;
10139 edid_check_required = is_dp_capable_without_timing_msa(
10141 amdgpu_dm_connector);
10144 if (edid_check_required == true && (edid->version > 1 ||
10145 (edid->version == 1 && edid->revision > 1))) {
10146 for (i = 0; i < 4; i++) {
10148 timing = &edid->detailed_timings[i];
10149 data = &timing->data.other_data;
10150 range = &data->data.range;
10152 * Check if monitor has continuous frequency mode
10154 if (data->type != EDID_DETAIL_MONITOR_RANGE)
10157 * Check for flag range limits only. If flag == 1 then
10158 * no additional timing information provided.
10159 * Default GTF, GTF Secondary curve and CVT are not
10162 if (range->flags != 1)
10165 amdgpu_dm_connector->min_vfreq = range->min_vfreq;
10166 amdgpu_dm_connector->max_vfreq = range->max_vfreq;
10167 amdgpu_dm_connector->pixel_clock_mhz =
10168 range->pixel_clock_mhz * 10;
10170 connector->display_info.monitor_range.min_vfreq = range->min_vfreq;
10171 connector->display_info.monitor_range.max_vfreq = range->max_vfreq;
10176 if (amdgpu_dm_connector->max_vfreq -
10177 amdgpu_dm_connector->min_vfreq > 10) {
10179 freesync_capable = true;
10182 } else if (edid && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) {
10183 i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info);
10184 if (i >= 0 && vsdb_info.freesync_supported) {
10185 timing = &edid->detailed_timings[i];
10186 data = &timing->data.other_data;
10188 amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz;
10189 amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz;
10190 if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
10191 freesync_capable = true;
10193 connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz;
10194 connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz;
10200 dm_con_state->freesync_capable = freesync_capable;
10202 if (connector->vrr_capable_property)
10203 drm_connector_set_vrr_capable_property(connector,
10207 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev)
10209 struct amdgpu_device *adev = drm_to_adev(dev);
10210 struct dc *dc = adev->dm.dc;
10213 mutex_lock(&adev->dm.dc_lock);
10214 if (dc->current_state) {
10215 for (i = 0; i < dc->current_state->stream_count; ++i)
10216 dc->current_state->streams[i]
10217 ->triggered_crtc_reset.enabled =
10218 adev->dm.force_timing_sync;
10220 dm_enable_per_frame_crtc_master_sync(dc->current_state);
10221 dc_trigger_sync(dc, dc->current_state);
10223 mutex_unlock(&adev->dm.dc_lock);
10226 void dm_write_reg_func(const struct dc_context *ctx, uint32_t address,
10227 uint32_t value, const char *func_name)
10229 #ifdef DM_CHECK_ADDR_0
10230 if (address == 0) {
10231 DC_ERR("invalid register write. address = 0");
10235 cgs_write_register(ctx->cgs_device, address, value);
10236 trace_amdgpu_dc_wreg(&ctx->perf_trace->write_count, address, value);
10239 uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address,
10240 const char *func_name)
10243 #ifdef DM_CHECK_ADDR_0
10244 if (address == 0) {
10245 DC_ERR("invalid register read; address = 0\n");
10250 if (ctx->dmub_srv &&
10251 ctx->dmub_srv->reg_helper_offload.gather_in_progress &&
10252 !ctx->dmub_srv->reg_helper_offload.should_burst_write) {
10257 value = cgs_read_register(ctx->cgs_device, address);
10259 trace_amdgpu_dc_rreg(&ctx->perf_trace->read_count, address, value);
10264 int amdgpu_dm_process_dmub_aux_transfer_sync(
10265 struct dc_context *ctx,
10266 unsigned int link_index,
10267 struct aux_payload *payload,
10268 enum aux_return_code_type *operation_result)
10270 struct amdgpu_device *adev = ctx->driver_context;
10271 struct dmub_notification *p_notify = adev->dm.dmub_notify;
10274 mutex_lock(&adev->dm.dpia_aux_lock);
10275 if (!dc_process_dmub_aux_transfer_async(ctx->dc, link_index, payload)) {
10276 *operation_result = AUX_RET_ERROR_ENGINE_ACQUIRE;
10280 if (!wait_for_completion_timeout(&adev->dm.dmub_aux_transfer_done, 10 * HZ)) {
10281 DRM_ERROR("wait_for_completion_timeout timeout!");
10282 *operation_result = AUX_RET_ERROR_TIMEOUT;
10286 if (p_notify->result != AUX_RET_SUCCESS) {
10288 * Transient states before tunneling is enabled could
10289 * lead to this error. We can ignore this for now.
10291 if (p_notify->result != AUX_RET_ERROR_PROTOCOL_ERROR) {
10292 DRM_WARN("DPIA AUX failed on 0x%x(%d), error %d\n",
10293 payload->address, payload->length,
10296 *operation_result = AUX_RET_ERROR_INVALID_REPLY;
10301 payload->reply[0] = adev->dm.dmub_notify->aux_reply.command;
10302 if (!payload->write && p_notify->aux_reply.length &&
10303 (payload->reply[0] == AUX_TRANSACTION_REPLY_AUX_ACK)) {
10305 if (payload->length != p_notify->aux_reply.length) {
10306 DRM_WARN("invalid read length %d from DPIA AUX 0x%x(%d)!\n",
10307 p_notify->aux_reply.length,
10308 payload->address, payload->length);
10309 *operation_result = AUX_RET_ERROR_INVALID_REPLY;
10313 memcpy(payload->data, p_notify->aux_reply.data,
10314 p_notify->aux_reply.length);
10318 ret = p_notify->aux_reply.length;
10319 *operation_result = p_notify->result;
10321 mutex_unlock(&adev->dm.dpia_aux_lock);
10325 int amdgpu_dm_process_dmub_set_config_sync(
10326 struct dc_context *ctx,
10327 unsigned int link_index,
10328 struct set_config_cmd_payload *payload,
10329 enum set_config_status *operation_result)
10331 struct amdgpu_device *adev = ctx->driver_context;
10332 bool is_cmd_complete;
10335 mutex_lock(&adev->dm.dpia_aux_lock);
10336 is_cmd_complete = dc_process_dmub_set_config_async(ctx->dc,
10337 link_index, payload, adev->dm.dmub_notify);
10339 if (is_cmd_complete || wait_for_completion_timeout(&adev->dm.dmub_aux_transfer_done, 10 * HZ)) {
10341 *operation_result = adev->dm.dmub_notify->sc_status;
10343 DRM_ERROR("wait_for_completion_timeout timeout!");
10345 *operation_result = SET_CONFIG_UNKNOWN_ERROR;
10348 mutex_unlock(&adev->dm.dpia_aux_lock);
10353 * Check whether seamless boot is supported.
10355 * So far we only support seamless boot on CHIP_VANGOGH.
10356 * If everything goes well, we may consider expanding
10357 * seamless boot to other ASICs.
10359 bool check_seamless_boot_capability(struct amdgpu_device *adev)
10361 switch (adev->ip_versions[DCE_HWIP][0]) {
10362 case IP_VERSION(3, 0, 1):
10363 if (!adev->mman.keep_stolen_vga_memory)