2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
35 #define pr_fmt(fmt) "amdgpu: " fmt
41 #define dev_fmt(fmt) "amdgpu: " fmt
43 #include "amdgpu_ctx.h"
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53 #include <linux/aer.h>
55 #include <drm/ttm/ttm_bo_api.h>
56 #include <drm/ttm/ttm_bo_driver.h>
57 #include <drm/ttm/ttm_placement.h>
58 #include <drm/ttm/ttm_execbuf_util.h>
60 #include <drm/amdgpu_drm.h>
61 #include <drm/drm_gem.h>
62 #include <drm/drm_ioctl.h>
63 #include <drm/gpu_scheduler.h>
65 #include <kgd_kfd_interface.h>
66 #include "dm_pp_interface.h"
67 #include "kgd_pp_interface.h"
69 #include "amd_shared.h"
70 #include "amdgpu_mode.h"
71 #include "amdgpu_ih.h"
72 #include "amdgpu_irq.h"
73 #include "amdgpu_ucode.h"
74 #include "amdgpu_ttm.h"
75 #include "amdgpu_psp.h"
76 #include "amdgpu_gds.h"
77 #include "amdgpu_sync.h"
78 #include "amdgpu_ring.h"
79 #include "amdgpu_vm.h"
80 #include "amdgpu_dpm.h"
81 #include "amdgpu_acp.h"
82 #include "amdgpu_uvd.h"
83 #include "amdgpu_vce.h"
84 #include "amdgpu_vcn.h"
85 #include "amdgpu_jpeg.h"
86 #include "amdgpu_mn.h"
87 #include "amdgpu_gmc.h"
88 #include "amdgpu_gfx.h"
89 #include "amdgpu_sdma.h"
90 #include "amdgpu_nbio.h"
91 #include "amdgpu_hdp.h"
92 #include "amdgpu_dm.h"
93 #include "amdgpu_virt.h"
94 #include "amdgpu_csa.h"
95 #include "amdgpu_gart.h"
96 #include "amdgpu_debugfs.h"
97 #include "amdgpu_job.h"
98 #include "amdgpu_bo_list.h"
99 #include "amdgpu_gem.h"
100 #include "amdgpu_doorbell.h"
101 #include "amdgpu_amdkfd.h"
102 #include "amdgpu_smu.h"
103 #include "amdgpu_discovery.h"
104 #include "amdgpu_mes.h"
105 #include "amdgpu_umc.h"
106 #include "amdgpu_mmhub.h"
107 #include "amdgpu_gfxhub.h"
108 #include "amdgpu_df.h"
109 #include "amdgpu_smuio.h"
110 #include "amdgpu_fdinfo.h"
111 #include "amdgpu_mca.h"
113 #define MAX_GPU_INSTANCE 16
115 struct amdgpu_gpu_instance
117 struct amdgpu_device *adev;
118 int mgpu_fan_enabled;
121 struct amdgpu_mgpu_info
123 struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE];
129 /* delayed reset_func for XGMI configuration if necessary */
130 struct delayed_work delayed_reset_work;
141 struct amdgpu_watchdog_timer
143 bool timeout_fatal_disable;
144 uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
147 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH 256
150 * Modules parameters.
152 extern int amdgpu_modeset;
153 extern int amdgpu_vram_limit;
154 extern int amdgpu_vis_vram_limit;
155 extern int amdgpu_gart_size;
156 extern int amdgpu_gtt_size;
157 extern int amdgpu_moverate;
158 extern int amdgpu_benchmarking;
159 extern int amdgpu_testing;
160 extern int amdgpu_audio;
161 extern int amdgpu_disp_priority;
162 extern int amdgpu_hw_i2c;
163 extern int amdgpu_pcie_gen2;
164 extern int amdgpu_msi;
165 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
166 extern int amdgpu_dpm;
167 extern int amdgpu_fw_load_type;
168 extern int amdgpu_aspm;
169 extern int amdgpu_runtime_pm;
170 extern uint amdgpu_ip_block_mask;
171 extern int amdgpu_bapm;
172 extern int amdgpu_deep_color;
173 extern int amdgpu_vm_size;
174 extern int amdgpu_vm_block_size;
175 extern int amdgpu_vm_fragment_size;
176 extern int amdgpu_vm_fault_stop;
177 extern int amdgpu_vm_debug;
178 extern int amdgpu_vm_update_mode;
179 extern int amdgpu_exp_hw_support;
180 extern int amdgpu_dc;
181 extern int amdgpu_sched_jobs;
182 extern int amdgpu_sched_hw_submission;
183 extern uint amdgpu_pcie_gen_cap;
184 extern uint amdgpu_pcie_lane_cap;
185 extern uint amdgpu_cg_mask;
186 extern uint amdgpu_pg_mask;
187 extern uint amdgpu_sdma_phase_quantum;
188 extern char *amdgpu_disable_cu;
189 extern char *amdgpu_virtual_display;
190 extern uint amdgpu_pp_feature_mask;
191 extern uint amdgpu_force_long_training;
192 extern int amdgpu_job_hang_limit;
193 extern int amdgpu_lbpw;
194 extern int amdgpu_compute_multipipe;
195 extern int amdgpu_gpu_recovery;
196 extern int amdgpu_emu_mode;
197 extern uint amdgpu_smu_memory_pool_size;
198 extern int amdgpu_smu_pptable_id;
199 extern uint amdgpu_dc_feature_mask;
200 extern uint amdgpu_freesync_vid_mode;
201 extern uint amdgpu_dc_debug_mask;
202 extern uint amdgpu_dm_abm_level;
203 extern int amdgpu_backlight;
204 extern struct amdgpu_mgpu_info mgpu_info;
205 extern int amdgpu_ras_enable;
206 extern uint amdgpu_ras_mask;
207 extern int amdgpu_bad_page_threshold;
208 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
209 extern int amdgpu_async_gfx_ring;
210 extern int amdgpu_mcbp;
211 extern int amdgpu_discovery;
212 extern int amdgpu_mes;
213 extern int amdgpu_noretry;
214 extern int amdgpu_force_asic_type;
215 extern int amdgpu_smartshift_bias;
216 #ifdef CONFIG_HSA_AMD
217 extern int sched_policy;
218 extern bool debug_evictions;
219 extern bool no_system_mem_limit;
221 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
222 static const bool __maybe_unused debug_evictions; /* = false */
223 static const bool __maybe_unused no_system_mem_limit;
226 extern int amdgpu_tmz;
227 extern int amdgpu_reset_method;
229 #ifdef CONFIG_DRM_AMDGPU_SI
230 extern int amdgpu_si_support;
232 #ifdef CONFIG_DRM_AMDGPU_CIK
233 extern int amdgpu_cik_support;
235 extern int amdgpu_num_kcq;
237 #define AMDGPU_VM_MAX_NUM_CTX 4096
238 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
239 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
240 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
241 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
242 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
243 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
244 #define AMDGPUFB_CONN_LIMIT 4
245 #define AMDGPU_BIOS_NUM_SCRATCH 16
247 #define AMDGPU_VBIOS_VGA_ALLOCATION (9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
249 /* hard reset data */
250 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
253 #define AMDGPU_RESET_GFX (1 << 0)
254 #define AMDGPU_RESET_COMPUTE (1 << 1)
255 #define AMDGPU_RESET_DMA (1 << 2)
256 #define AMDGPU_RESET_CP (1 << 3)
257 #define AMDGPU_RESET_GRBM (1 << 4)
258 #define AMDGPU_RESET_DMA1 (1 << 5)
259 #define AMDGPU_RESET_RLC (1 << 6)
260 #define AMDGPU_RESET_SEM (1 << 7)
261 #define AMDGPU_RESET_IH (1 << 8)
262 #define AMDGPU_RESET_VMC (1 << 9)
263 #define AMDGPU_RESET_MC (1 << 10)
264 #define AMDGPU_RESET_DISPLAY (1 << 11)
265 #define AMDGPU_RESET_UVD (1 << 12)
266 #define AMDGPU_RESET_VCE (1 << 13)
267 #define AMDGPU_RESET_VCE1 (1 << 14)
269 /* max cursor sizes (in pixels) */
270 #define CIK_CURSOR_WIDTH 128
271 #define CIK_CURSOR_HEIGHT 128
273 /* smasrt shift bias level limits */
274 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
275 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
277 struct amdgpu_device;
279 struct amdgpu_cs_parser;
281 struct amdgpu_irq_src;
283 struct amdgpu_bo_va_mapping;
284 struct kfd_vm_fault_info;
285 struct amdgpu_hive_info;
286 struct amdgpu_reset_context;
287 struct amdgpu_reset_control;
290 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
291 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
292 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
293 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
294 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
295 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
296 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
297 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
298 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
299 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
304 enum amdgpu_thermal_irq {
305 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
306 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
308 AMDGPU_THERMAL_IRQ_LAST
311 enum amdgpu_kiq_irq {
312 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
313 AMDGPU_CP_KIQ_IRQ_LAST
316 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
317 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
318 #define MAX_KIQ_REG_TRY 1000
320 int amdgpu_device_ip_set_clockgating_state(void *dev,
321 enum amd_ip_block_type block_type,
322 enum amd_clockgating_state state);
323 int amdgpu_device_ip_set_powergating_state(void *dev,
324 enum amd_ip_block_type block_type,
325 enum amd_powergating_state state);
326 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
328 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
329 enum amd_ip_block_type block_type);
330 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
331 enum amd_ip_block_type block_type);
333 #define AMDGPU_MAX_IP_NUM 16
335 struct amdgpu_ip_block_status {
339 bool late_initialized;
343 struct amdgpu_ip_block_version {
344 const enum amd_ip_block_type type;
348 const struct amd_ip_funcs *funcs;
351 #define HW_REV(_Major, _Minor, _Rev) \
352 ((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
354 struct amdgpu_ip_block {
355 struct amdgpu_ip_block_status status;
356 const struct amdgpu_ip_block_version *version;
359 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
360 enum amd_ip_block_type type,
361 u32 major, u32 minor);
363 struct amdgpu_ip_block *
364 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
365 enum amd_ip_block_type type);
367 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
368 const struct amdgpu_ip_block_version *ip_block_version);
373 bool amdgpu_get_bios(struct amdgpu_device *adev);
374 bool amdgpu_read_bios(struct amdgpu_device *adev);
380 #define AMDGPU_MAX_PPLL 3
382 struct amdgpu_clock {
383 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
384 struct amdgpu_pll spll;
385 struct amdgpu_pll mpll;
387 uint32_t default_mclk;
388 uint32_t default_sclk;
389 uint32_t default_dispclk;
390 uint32_t current_dispclk;
392 uint32_t max_pixel_clock;
395 /* sub-allocation manager, it has to be protected by another lock.
396 * By conception this is an helper for other part of the driver
397 * like the indirect buffer or semaphore, which both have their
400 * Principe is simple, we keep a list of sub allocation in offset
401 * order (first entry has offset == 0, last entry has the highest
404 * When allocating new object we first check if there is room at
405 * the end total_size - (last_object_offset + last_object_size) >=
406 * alloc_size. If so we allocate new object there.
408 * When there is not enough room at the end, we start waiting for
409 * each sub object until we reach object_offset+object_size >=
410 * alloc_size, this object then become the sub object we return.
412 * Alignment can't be bigger than page size.
414 * Hole are not considered for allocation to keep things simple.
415 * Assumption is that there won't be hole (all object on same
419 #define AMDGPU_SA_NUM_FENCE_LISTS 32
421 struct amdgpu_sa_manager {
422 wait_queue_head_t wq;
423 struct amdgpu_bo *bo;
424 struct list_head *hole;
425 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
426 struct list_head olist;
434 /* sub-allocation buffer */
435 struct amdgpu_sa_bo {
436 struct list_head olist;
437 struct list_head flist;
438 struct amdgpu_sa_manager *manager;
441 struct dma_fence *fence;
444 int amdgpu_fence_slab_init(void);
445 void amdgpu_fence_slab_fini(void);
451 struct amdgpu_flip_work {
452 struct delayed_work flip_work;
453 struct work_struct unpin_work;
454 struct amdgpu_device *adev;
458 struct drm_pending_vblank_event *event;
459 struct amdgpu_bo *old_abo;
460 struct dma_fence *excl;
461 unsigned shared_count;
462 struct dma_fence **shared;
463 struct dma_fence_cb cb;
473 struct amdgpu_sa_bo *sa_bo;
480 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
483 * file private structure
486 struct amdgpu_fpriv {
488 struct amdgpu_bo_va *prt_va;
489 struct amdgpu_bo_va *csa_va;
490 struct mutex bo_list_lock;
491 struct idr bo_list_handles;
492 struct amdgpu_ctx_mgr ctx_mgr;
495 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
497 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
499 enum amdgpu_ib_pool_type pool,
500 struct amdgpu_ib *ib);
501 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
502 struct dma_fence *f);
503 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
504 struct amdgpu_ib *ibs, struct amdgpu_job *job,
505 struct dma_fence **f);
506 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
507 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
508 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
513 struct amdgpu_cs_chunk {
519 struct amdgpu_cs_post_dep {
520 struct drm_syncobj *syncobj;
521 struct dma_fence_chain *chain;
525 struct amdgpu_cs_parser {
526 struct amdgpu_device *adev;
527 struct drm_file *filp;
528 struct amdgpu_ctx *ctx;
532 struct amdgpu_cs_chunk *chunks;
534 /* scheduler job object */
535 struct amdgpu_job *job;
536 struct drm_sched_entity *entity;
539 struct ww_acquire_ctx ticket;
540 struct amdgpu_bo_list *bo_list;
541 struct amdgpu_mn *mn;
542 struct amdgpu_bo_list_entry vm_pd;
543 struct list_head validated;
544 struct dma_fence *fence;
545 uint64_t bytes_moved_threshold;
546 uint64_t bytes_moved_vis_threshold;
547 uint64_t bytes_moved;
548 uint64_t bytes_moved_vis;
551 struct amdgpu_bo_list_entry uf_entry;
553 unsigned num_post_deps;
554 struct amdgpu_cs_post_dep *post_deps;
557 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
558 uint32_t ib_idx, int idx)
560 return p->job->ibs[ib_idx].ptr[idx];
563 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
564 uint32_t ib_idx, int idx,
567 p->job->ibs[ib_idx].ptr[idx] = value;
573 #define AMDGPU_MAX_WB 256 /* Reserve at most 256 WB slots for amdgpu-owned rings. */
576 struct amdgpu_bo *wb_obj;
577 volatile uint32_t *wb;
579 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
580 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
583 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
584 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
589 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
595 void amdgpu_test_moves(struct amdgpu_device *adev);
598 * ASIC specific register table accessible by UMD
600 struct amdgpu_allowed_register_entry {
605 enum amd_reset_method {
606 AMD_RESET_METHOD_NONE = -1,
607 AMD_RESET_METHOD_LEGACY = 0,
608 AMD_RESET_METHOD_MODE0,
609 AMD_RESET_METHOD_MODE1,
610 AMD_RESET_METHOD_MODE2,
611 AMD_RESET_METHOD_BACO,
612 AMD_RESET_METHOD_PCI,
615 struct amdgpu_video_codec_info {
619 u32 max_pixels_per_frame;
623 #define codec_info_build(type, width, height, level) \
626 .max_height = height,\
627 .max_pixels_per_frame = height * width,\
630 struct amdgpu_video_codecs {
631 const u32 codec_count;
632 const struct amdgpu_video_codec_info *codec_array;
636 * ASIC specific functions.
638 struct amdgpu_asic_funcs {
639 bool (*read_disabled_bios)(struct amdgpu_device *adev);
640 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
641 u8 *bios, u32 length_bytes);
642 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
643 u32 sh_num, u32 reg_offset, u32 *value);
644 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
645 int (*reset)(struct amdgpu_device *adev);
646 enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
647 /* get the reference clock */
648 u32 (*get_xclk)(struct amdgpu_device *adev);
649 /* MM block clocks */
650 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
651 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
652 /* static power management */
653 int (*get_pcie_lanes)(struct amdgpu_device *adev);
654 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
655 /* get config memsize register */
656 u32 (*get_config_memsize)(struct amdgpu_device *adev);
657 /* flush hdp write queue */
658 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
659 /* invalidate hdp read cache */
660 void (*invalidate_hdp)(struct amdgpu_device *adev,
661 struct amdgpu_ring *ring);
662 /* check if the asic needs a full reset of if soft reset will work */
663 bool (*need_full_reset)(struct amdgpu_device *adev);
664 /* initialize doorbell layout for specific asic*/
665 void (*init_doorbell_index)(struct amdgpu_device *adev);
666 /* PCIe bandwidth usage */
667 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
669 /* do we need to reset the asic at init time (e.g., kexec) */
670 bool (*need_reset_on_init)(struct amdgpu_device *adev);
671 /* PCIe replay counter */
672 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
673 /* device supports BACO */
674 bool (*supports_baco)(struct amdgpu_device *adev);
675 /* pre asic_init quirks */
676 void (*pre_asic_init)(struct amdgpu_device *adev);
677 /* enter/exit umd stable pstate */
678 int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
679 /* query video codecs */
680 int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
681 const struct amdgpu_video_codecs **codecs);
687 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
688 struct drm_file *filp);
690 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
691 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
692 struct drm_file *filp);
693 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
694 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
695 struct drm_file *filp);
697 /* VRAM scratch page for HDP bug, default vram page */
698 struct amdgpu_vram_scratch {
699 struct amdgpu_bo *robj;
700 volatile uint32_t *ptr;
707 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
708 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
711 * Core structure, functions and helpers.
713 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
714 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
716 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
717 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
719 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
720 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
722 struct amdgpu_mmio_remap {
724 resource_size_t bus_addr;
727 /* Define the HW IP blocks will be used in driver , add more if necessary */
728 enum amd_hw_ip_block_type {
746 JPEG_HWIP = VCN_HWIP,
761 #define HWIP_MAX_INSTANCE 10
763 struct amd_powerplay {
765 const struct amd_pm_funcs *pp_funcs;
768 /* polaris10 kickers */
769 #define ASICID_IS_P20(did, rid) (((did == 0x67DF) && \
775 ((did == 0x6FDF) && \
780 #define ASICID_IS_P30(did, rid) ((did == 0x67DF) && \
784 /* polaris11 kickers */
785 #define ASICID_IS_P21(did, rid) (((did == 0x67EF) && \
788 ((did == 0x67FF) && \
793 #define ASICID_IS_P31(did, rid) ((did == 0x67EF) && \
796 /* polaris12 kickers */
797 #define ASICID_IS_P23(did, rid) (((did == 0x6987) && \
802 ((did == 0x6981) && \
807 #define AMDGPU_RESET_MAGIC_NUM 64
808 #define AMDGPU_MAX_DF_PERFMONS 4
809 struct amdgpu_device {
811 struct pci_dev *pdev;
812 struct drm_device ddev;
814 #ifdef CONFIG_DRM_AMD_ACP
815 struct amdgpu_acp acp;
817 struct amdgpu_hive_info *hive;
819 enum amd_asic_type asic_type;
822 uint32_t external_rev_id;
824 unsigned long apu_flags;
826 const struct amdgpu_asic_funcs *asic_funcs;
830 struct notifier_block acpi_nb;
831 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
832 struct debugfs_blob_wrapper debugfs_vbios_blob;
833 struct mutex srbm_mutex;
834 /* GRBM index mutex. Protects concurrent access to GRBM index */
835 struct mutex grbm_idx_mutex;
836 struct dev_pm_domain vga_pm_domain;
837 bool have_disp_power_ref;
838 bool have_atomics_support;
844 uint32_t bios_scratch_reg_offset;
845 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
847 /* Register/doorbell mmio */
848 resource_size_t rmmio_base;
849 resource_size_t rmmio_size;
851 /* protects concurrent MM_INDEX/DATA based register access */
852 spinlock_t mmio_idx_lock;
853 struct amdgpu_mmio_remap rmmio_remap;
854 /* protects concurrent SMC based register access */
855 spinlock_t smc_idx_lock;
856 amdgpu_rreg_t smc_rreg;
857 amdgpu_wreg_t smc_wreg;
858 /* protects concurrent PCIE register access */
859 spinlock_t pcie_idx_lock;
860 amdgpu_rreg_t pcie_rreg;
861 amdgpu_wreg_t pcie_wreg;
862 amdgpu_rreg_t pciep_rreg;
863 amdgpu_wreg_t pciep_wreg;
864 amdgpu_rreg64_t pcie_rreg64;
865 amdgpu_wreg64_t pcie_wreg64;
866 /* protects concurrent UVD register access */
867 spinlock_t uvd_ctx_idx_lock;
868 amdgpu_rreg_t uvd_ctx_rreg;
869 amdgpu_wreg_t uvd_ctx_wreg;
870 /* protects concurrent DIDT register access */
871 spinlock_t didt_idx_lock;
872 amdgpu_rreg_t didt_rreg;
873 amdgpu_wreg_t didt_wreg;
874 /* protects concurrent gc_cac register access */
875 spinlock_t gc_cac_idx_lock;
876 amdgpu_rreg_t gc_cac_rreg;
877 amdgpu_wreg_t gc_cac_wreg;
878 /* protects concurrent se_cac register access */
879 spinlock_t se_cac_idx_lock;
880 amdgpu_rreg_t se_cac_rreg;
881 amdgpu_wreg_t se_cac_wreg;
882 /* protects concurrent ENDPOINT (audio) register access */
883 spinlock_t audio_endpt_idx_lock;
884 amdgpu_block_rreg_t audio_endpt_rreg;
885 amdgpu_block_wreg_t audio_endpt_wreg;
886 struct amdgpu_doorbell doorbell;
889 struct amdgpu_clock clock;
892 struct amdgpu_gmc gmc;
893 struct amdgpu_gart gart;
894 dma_addr_t dummy_page_addr;
895 struct amdgpu_vm_manager vm_manager;
896 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
899 /* memory management */
900 struct amdgpu_mman mman;
901 struct amdgpu_vram_scratch vram_scratch;
903 atomic64_t num_bytes_moved;
904 atomic64_t num_evictions;
905 atomic64_t num_vram_cpu_page_faults;
906 atomic_t gpu_reset_counter;
907 atomic_t vram_lost_counter;
909 /* data for buffer migration throttling */
913 s64 accum_us; /* accumulated microseconds */
914 s64 accum_us_vis; /* for visible VRAM */
919 bool enable_virtual_display;
920 struct amdgpu_vkms_output *amdgpu_vkms_output;
921 struct amdgpu_mode_info mode_info;
922 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
923 struct work_struct hotplug_work;
924 struct amdgpu_irq_src crtc_irq;
925 struct amdgpu_irq_src vline0_irq;
926 struct amdgpu_irq_src vupdate_irq;
927 struct amdgpu_irq_src pageflip_irq;
928 struct amdgpu_irq_src hpd_irq;
929 struct amdgpu_irq_src dmub_trace_irq;
930 struct amdgpu_irq_src dmub_outbox_irq;
935 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
937 struct amdgpu_sa_manager ib_pools[AMDGPU_IB_POOL_MAX];
938 struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
941 struct amdgpu_irq irq;
944 struct amd_powerplay powerplay;
945 bool pp_force_state_enabled;
948 struct smu_context smu;
956 struct amdgpu_nbio nbio;
959 struct amdgpu_hdp hdp;
962 struct amdgpu_smuio smuio;
965 struct amdgpu_mmhub mmhub;
968 struct amdgpu_gfxhub gfxhub;
971 struct amdgpu_gfx gfx;
974 struct amdgpu_sdma sdma;
977 struct amdgpu_uvd uvd;
980 struct amdgpu_vce vce;
983 struct amdgpu_vcn vcn;
986 struct amdgpu_jpeg jpeg;
989 struct amdgpu_firmware firmware;
992 struct psp_context psp;
995 struct amdgpu_gds gds;
998 struct amdgpu_kfd_dev kfd;
1001 struct amdgpu_umc umc;
1003 /* display related functionality */
1004 struct amdgpu_display_manager dm;
1008 struct amdgpu_mes mes;
1011 struct amdgpu_df df;
1014 struct amdgpu_mca mca;
1016 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
1017 uint32_t harvest_ip_mask;
1019 struct mutex mn_lock;
1020 DECLARE_HASHTABLE(mn_hash, 7);
1022 /* tracking pinned memory */
1023 atomic64_t vram_pin_size;
1024 atomic64_t visible_pin_size;
1025 atomic64_t gart_pin_size;
1027 /* soc15 register offset based on ip, instance and segment */
1028 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1030 /* delayed work_func for deferring clockgating during resume */
1031 struct delayed_work delayed_init_work;
1033 struct amdgpu_virt virt;
1035 /* link all shadow bo */
1036 struct list_head shadow_list;
1037 struct mutex shadow_list_lock;
1039 /* record hw reset is performed */
1041 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
1049 atomic_t in_gpu_reset;
1050 enum pp_mp1_state mp1_state;
1051 struct rw_semaphore reset_sem;
1052 struct amdgpu_doorbell_index doorbell_index;
1054 struct mutex notifier_lock;
1057 struct work_struct xgmi_reset_work;
1058 struct list_head reset_list;
1063 long compute_timeout;
1066 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1068 /* enable runtime pm on the device */
1074 bool ucode_sysfs_en;
1076 /* Chip product information */
1077 char product_number[16];
1078 char product_name[32];
1081 struct amdgpu_autodump autodump;
1083 atomic_t throttling_logging_enabled;
1084 struct ratelimit_state throttling_logging_rs;
1085 uint32_t ras_hw_enabled;
1086 uint32_t ras_enabled;
1089 struct pci_saved_state *pci_state;
1090 pci_channel_state_t pci_channel_state;
1092 struct amdgpu_reset_control *reset_cntl;
1095 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1097 return container_of(ddev, struct amdgpu_device, ddev);
1100 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1105 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1107 return container_of(bdev, struct amdgpu_device, mman.bdev);
1110 int amdgpu_device_init(struct amdgpu_device *adev,
1112 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1113 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1115 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1117 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1118 void *buf, size_t size, bool write);
1119 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1120 void *buf, size_t size, bool write);
1122 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1123 void *buf, size_t size, bool write);
1124 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1125 uint32_t reg, uint32_t acc_flags);
1126 void amdgpu_device_wreg(struct amdgpu_device *adev,
1127 uint32_t reg, uint32_t v,
1128 uint32_t acc_flags);
1129 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1130 uint32_t reg, uint32_t v);
1131 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1132 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1134 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1135 u32 pcie_index, u32 pcie_data,
1137 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1138 u32 pcie_index, u32 pcie_data,
1140 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1141 u32 pcie_index, u32 pcie_data,
1142 u32 reg_addr, u32 reg_data);
1143 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1144 u32 pcie_index, u32 pcie_data,
1145 u32 reg_addr, u64 reg_data);
1147 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1148 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1150 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1151 struct amdgpu_reset_context *reset_context);
1153 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1154 struct amdgpu_reset_context *reset_context);
1156 int emu_soc_asic_init(struct amdgpu_device *adev);
1159 * Registers read & write functions.
1161 #define AMDGPU_REGS_NO_KIQ (1<<1)
1162 #define AMDGPU_REGS_RLC (1<<2)
1164 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1165 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1167 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1168 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1170 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1171 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1173 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1174 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1175 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1176 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1177 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1178 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1179 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1180 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1181 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1182 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1183 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1184 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1185 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1186 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1187 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1188 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1189 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1190 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1191 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1192 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1193 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1194 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1195 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1196 #define WREG32_P(reg, val, mask) \
1198 uint32_t tmp_ = RREG32(reg); \
1200 tmp_ |= ((val) & ~(mask)); \
1201 WREG32(reg, tmp_); \
1203 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1204 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1205 #define WREG32_PLL_P(reg, val, mask) \
1207 uint32_t tmp_ = RREG32_PLL(reg); \
1209 tmp_ |= ((val) & ~(mask)); \
1210 WREG32_PLL(reg, tmp_); \
1213 #define WREG32_SMC_P(_Reg, _Val, _Mask) \
1215 u32 tmp = RREG32_SMC(_Reg); \
1217 tmp |= ((_Val) & ~(_Mask)); \
1218 WREG32_SMC(_Reg, tmp); \
1221 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1223 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1224 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1226 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1227 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1228 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1230 #define REG_GET_FIELD(value, reg, field) \
1231 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1233 #define WREG32_FIELD(reg, field, val) \
1234 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1236 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1237 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1242 #define RBIOS8(i) (adev->bios[i])
1243 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1244 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1249 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1250 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1251 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1252 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1253 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1254 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1255 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1256 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1257 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1258 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1259 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1260 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1261 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1262 #define amdgpu_asic_flush_hdp(adev, r) \
1263 ((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1264 #define amdgpu_asic_invalidate_hdp(adev, r) \
1265 ((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : (adev)->hdp.funcs->invalidate_hdp((adev), (r)))
1266 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1267 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1268 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1269 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1270 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1271 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1272 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1273 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1274 ((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1275 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1277 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1279 #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
1281 /* Common functions */
1282 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1283 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1284 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1285 struct amdgpu_job* job);
1286 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1287 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1288 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1290 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1292 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1293 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1294 const u32 *registers,
1295 const u32 array_size);
1297 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1298 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1299 bool amdgpu_device_supports_px(struct drm_device *dev);
1300 bool amdgpu_device_supports_boco(struct drm_device *dev);
1301 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1302 bool amdgpu_device_supports_baco(struct drm_device *dev);
1303 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1304 struct amdgpu_device *peer_adev);
1305 int amdgpu_device_baco_enter(struct drm_device *dev);
1306 int amdgpu_device_baco_exit(struct drm_device *dev);
1308 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1309 struct amdgpu_ring *ring);
1310 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1311 struct amdgpu_ring *ring);
1314 #if defined(CONFIG_VGA_SWITCHEROO)
1315 void amdgpu_register_atpx_handler(void);
1316 void amdgpu_unregister_atpx_handler(void);
1317 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1318 bool amdgpu_is_atpx_hybrid(void);
1319 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1320 bool amdgpu_has_atpx(void);
1322 static inline void amdgpu_register_atpx_handler(void) {}
1323 static inline void amdgpu_unregister_atpx_handler(void) {}
1324 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1325 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1326 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1327 static inline bool amdgpu_has_atpx(void) { return false; }
1330 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1331 void *amdgpu_atpx_get_dhandle(void);
1333 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1339 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1340 extern const int amdgpu_max_kms_ioctl;
1342 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1343 void amdgpu_driver_unload_kms(struct drm_device *dev);
1344 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1345 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1346 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1347 struct drm_file *file_priv);
1348 void amdgpu_driver_release_kms(struct drm_device *dev);
1350 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1351 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1352 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1353 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1354 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1355 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1356 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1358 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1359 struct drm_file *filp);
1362 * functions used by amdgpu_encoder.c
1364 struct amdgpu_afmt_acr {
1378 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1382 /* ATCS Device/Driver State */
1383 #define AMDGPU_ATCS_PSC_DEV_STATE_D0 0
1384 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT 3
1385 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR 0
1386 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR 1
1388 #if defined(CONFIG_ACPI)
1389 int amdgpu_acpi_init(struct amdgpu_device *adev);
1390 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1391 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1392 bool amdgpu_acpi_is_power_shift_control_supported(void);
1393 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1394 u8 perf_req, bool advertise);
1395 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1396 u8 dev_state, bool drv_state);
1397 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1398 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1400 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1401 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1402 void amdgpu_acpi_detect(void);
1404 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1405 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1406 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
1407 static inline void amdgpu_acpi_detect(void) { }
1408 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
1409 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1410 u8 dev_state, bool drv_state) { return 0; }
1411 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1412 enum amdgpu_ss ss_state) { return 0; }
1415 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1416 uint64_t addr, struct amdgpu_bo **bo,
1417 struct amdgpu_bo_va_mapping **mapping);
1419 #if defined(CONFIG_DRM_AMD_DC)
1420 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1422 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1426 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1427 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1429 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1430 pci_channel_state_t state);
1431 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1432 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1433 void amdgpu_pci_resume(struct pci_dev *pdev);
1435 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1436 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1438 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1440 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1441 enum amd_clockgating_state state);
1442 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1443 enum amd_powergating_state state);
1445 #include "amdgpu_object.h"
1447 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1449 return adev->gmc.tmz_enabled;
1452 static inline int amdgpu_in_reset(struct amdgpu_device *adev)
1454 return atomic_read(&adev->in_gpu_reset);