1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2015 Broadcom
8 #include <linux/delay.h>
10 #include <linux/refcount.h>
11 #include <linux/uaccess.h>
13 #include <drm/drm_atomic.h>
14 #include <drm/drm_debugfs.h>
15 #include <drm/drm_device.h>
16 #include <drm/drm_encoder.h>
17 #include <drm/drm_fourcc.h>
18 #include <drm/drm_gem_dma_helper.h>
19 #include <drm/drm_managed.h>
20 #include <drm/drm_mm.h>
21 #include <drm/drm_modeset_lock.h>
23 #include <kunit/test-bug.h>
25 #include "uapi/drm/vc4_drm.h"
29 struct drm_gem_object;
31 extern const struct drm_driver vc4_drm_driver;
32 extern const struct drm_driver vc5_drm_driver;
34 /* Don't forget to update vc4_bo.c: bo_type_names[] when adding to
37 enum vc4_kernel_bo_type {
38 /* Any kernel allocation (gem_create_object hook) before it
39 * gets another type set.
43 VC4_BO_TYPE_V3D_SHADER,
48 VC4_BO_TYPE_KERNEL_CACHE,
52 /* Performance monitor object. The perform lifetime is controlled by userspace
53 * using perfmon related ioctls. A perfmon can be attached to a submit_cl
54 * request, and when this is the case, HW perf counters will be activated just
55 * before the submit_cl is submitted to the GPU and disabled when the job is
56 * done. This way, only events related to a specific job will be counted.
61 /* Tracks the number of users of the perfmon, when this counter reaches
62 * zero the perfmon is destroyed.
66 /* Number of counters activated in this perfmon instance
67 * (should be less than DRM_VC4_MAX_PERF_COUNTERS).
71 /* Events counted by the HW perf counters. */
72 u8 events[DRM_VC4_MAX_PERF_COUNTERS];
74 /* Storage for counter values. Counters are incremented by the HW
75 * perf counter values every time the perfmon is attached to a GPU job.
76 * This way, perfmon users don't have to retrieve the results after
77 * each job if they want to track events covering several submissions.
78 * Note that counter values can't be reset, but you can fake a reset by
79 * destroying the perfmon and creating a new one.
90 struct drm_device base;
98 struct rpi_firmware *firmware;
102 struct vc4_fkms *fkms;
104 struct vc4_hang_state *hang_state;
106 /* The kernel-space BO cache. Tracks buffers that have been
107 * unreferenced by all other users (refcounts of 0!) but not
108 * yet freed, so we can do cheap allocations.
110 struct vc4_bo_cache {
111 /* Array of list heads for entries in the BO cache,
112 * based on number of pages, so we can do O(1) lookups
113 * in the cache when allocating.
115 struct list_head *size_list;
116 uint32_t size_list_size;
118 /* List of all BOs in the cache, ordered by age, so we
119 * can do O(1) lookups when trying to free old
122 struct list_head time_list;
123 struct work_struct time_work;
124 struct timer_list time_timer;
134 /* Protects bo_cache and bo_labels. */
135 struct mutex bo_lock;
137 /* Purgeable BO pool. All BOs in this pool can have their memory
138 * reclaimed if the driver is unable to allocate new BOs. We also
139 * keep stats related to the purge mechanism here.
142 struct list_head list;
145 unsigned int purged_num;
150 uint64_t dma_fence_context;
152 /* Sequence number for the last job queued in bin_job_list.
153 * Starts at 0 (no jobs emitted).
157 /* Sequence number for the last completed job on the GPU.
158 * Starts at 0 (no jobs completed).
160 uint64_t finished_seqno;
162 /* List of all struct vc4_exec_info for jobs to be executed in
163 * the binner. The first job in the list is the one currently
164 * programmed into ct0ca for execution.
166 struct list_head bin_job_list;
168 /* List of all struct vc4_exec_info for jobs that have
169 * completed binning and are ready for rendering. The first
170 * job in the list is the one currently programmed into ct1ca
173 struct list_head render_job_list;
175 /* List of the finished vc4_exec_infos waiting to be freed by
178 struct list_head job_done_list;
179 /* Spinlock used to synchronize the job_list and seqno
180 * accesses between the IRQ handler and GEM ioctls.
183 wait_queue_head_t job_wait_queue;
184 struct work_struct job_done_work;
186 /* Used to track the active perfmon if any. Access to this field is
187 * protected by job_lock.
189 struct vc4_perfmon *active_perfmon;
191 /* List of struct vc4_seqno_cb for callbacks to be made from a
192 * workqueue when the given seqno is passed.
194 struct list_head seqno_cb_list;
196 /* The memory used for storing binner tile alloc, tile state,
197 * and overflow memory allocations. This is freed when V3D
200 struct vc4_bo *bin_bo;
202 /* Size of blocks allocated within bin_bo. */
203 uint32_t bin_alloc_size;
205 /* Bitmask of the bin_alloc_size chunks in bin_bo that are
208 uint32_t bin_alloc_used;
210 /* Bitmask of the current bin_alloc used for overflow memory. */
211 uint32_t bin_alloc_overflow;
213 /* Incremented when an underrun error happened after an atomic commit.
214 * This is particularly useful to detect when a specific modeset is too
215 * demanding in term of memory or HVS bandwidth which is hard to guess
216 * at atomic check time.
220 struct work_struct overflow_mem_work;
224 /* Set to true when the load tracker is active. */
225 bool load_tracker_enabled;
227 /* Mutex controlling the power refcount. */
228 struct mutex power_lock;
231 struct timer_list timer;
232 struct work_struct reset_work;
235 struct drm_modeset_lock ctm_state_lock;
236 struct drm_private_obj ctm_manager;
237 struct drm_private_obj hvs_channels;
238 struct drm_private_obj load_tracker;
240 /* Mutex for binner bo allocation. */
241 struct mutex bin_bo_lock;
242 /* Reference count for our binner bo. */
243 struct kref bin_bo_kref;
246 #define to_vc4_dev(_dev) \
247 container_of_const(_dev, struct vc4_dev, base)
250 struct drm_gem_dma_object base;
252 /* seqno of the last job to render using this BO. */
255 /* seqno of the last job to use the RCL to write to this BO.
257 * Note that this doesn't include binner overflow memory
260 uint64_t write_seqno;
264 /* List entry for the BO's position in either
265 * vc4_exec_info->unref_list or vc4_dev->bo_cache.time_list
267 struct list_head unref_head;
269 /* Time in jiffies when the BO was put in vc4->bo_cache. */
270 unsigned long free_time;
272 /* List entry for the BO's position in vc4_dev->bo_cache.size_list */
273 struct list_head size_head;
275 /* Struct for shader validation state, if created by
276 * DRM_IOCTL_VC4_CREATE_SHADER_BO.
278 struct vc4_validated_shader_info *validated_shader;
280 /* One of enum vc4_kernel_bo_type, or VC4_BO_TYPE_COUNT + i
281 * for user-allocated labels.
285 /* Count the number of active users. This is needed to determine
286 * whether we can move the BO to the purgeable list or not (when the BO
287 * is used by the GPU or the display engine we can't purge it).
291 /* Store purgeable/purged state here */
293 struct mutex madv_lock;
296 #define to_vc4_bo(_bo) \
297 container_of_const(to_drm_gem_dma_obj(_bo), struct vc4_bo, base)
300 struct dma_fence base;
301 struct drm_device *dev;
302 /* vc4 seqno for signaled() test */
306 #define to_vc4_fence(_fence) \
307 container_of_const(_fence, struct vc4_fence, base)
309 struct vc4_seqno_cb {
310 struct work_struct work;
312 void (*func)(struct vc4_seqno_cb *cb);
317 struct platform_device *pdev;
320 struct debugfs_regset32 regset;
323 #define HVS_NUM_CHANNELS 3
327 struct platform_device *pdev;
331 struct clk *core_clk;
334 unsigned int enabled: 1;
335 } eof_irq[HVS_NUM_CHANNELS];
337 unsigned long max_core_rate;
339 /* Memory manager for CRTCs to allocate space in the display
340 * list. Units are dwords.
342 struct drm_mm dlist_mm;
343 /* Memory manager for the LBM memory used by HVS scaling. */
344 struct drm_mm lbm_mm;
347 struct list_head stale_dlist_entries;
348 struct work_struct free_dlist_work;
350 struct drm_mm_node mitchell_netravali_filter;
352 struct debugfs_regset32 regset;
355 * Even if HDMI0 on the RPi4 can output modes requiring a pixel
356 * rate higher than 297MHz, it needs some adjustments in the
357 * config.txt file to be able to do so and thus won't always be
360 bool vc5_hdmi_enable_hdmi_20;
363 * 4096x2160@60 requires a core overclock to work, so register
364 * whether that is sufficient.
366 bool vc5_hdmi_enable_4096by2160;
369 struct vc4_hvs_state {
370 struct drm_private_state base;
371 unsigned long core_clock_rate;
375 unsigned long fifo_load;
376 struct drm_crtc_commit *pending_commit;
377 } fifo_state[HVS_NUM_CHANNELS];
380 #define to_vc4_hvs_state(_state) \
381 container_of_const(_state, struct vc4_hvs_state, base)
383 struct vc4_hvs_state *vc4_hvs_get_global_state(struct drm_atomic_state *state);
384 struct vc4_hvs_state *vc4_hvs_get_old_global_state(const struct drm_atomic_state *state);
385 struct vc4_hvs_state *vc4_hvs_get_new_global_state(const struct drm_atomic_state *state);
388 struct drm_plane base;
391 #define to_vc4_plane(_plane) \
392 container_of_const(_plane, struct vc4_plane, base)
394 enum vc4_scaling_mode {
400 struct vc4_plane_state {
401 struct drm_plane_state base;
402 /* System memory copy of the display list for this element, computed
403 * at atomic_check time.
406 u32 dlist_size; /* Number of dwords allocated for the display list */
407 u32 dlist_count; /* Number of used dwords in the display list. */
409 /* Offset in the dlist to various words, for pageflip or
414 u32 ptr0_offset[DRM_FORMAT_MAX_PLANES];
417 /* Offset where the plane's dlist was last stored in the
418 * hardware at vc4_crtc_atomic_flush() time.
420 u32 __iomem *hw_dlist;
422 /* Clipped coordinates of the plane on the display. */
423 int crtc_x, crtc_y, crtc_w, crtc_h;
424 /* Clipped area being scanned from in the FB in u16.16 format */
427 u32 src_w[2], src_h[2];
429 /* Scaling selection for the RGB/Y plane and the Cb/Cr planes. */
430 enum vc4_scaling_mode x_scaling[2], y_scaling[2];
434 /* Our allocation in LBM for temporary storage during scaling. */
435 struct drm_mm_node lbm;
437 /* Set when the plane has per-pixel alpha content or does not cover
438 * the entire screen. This is a hint to the CRTC that it might need
439 * to enable background color fill.
443 /* Mark the dlist as initialized. Useful to avoid initializing it twice
444 * when async update is not possible.
446 bool dlist_initialized;
448 /* Load of this plane on the HVS block. The load is expressed in HVS
453 /* Memory bandwidth needed for this plane. This is expressed in
459 #define to_vc4_plane_state(_state) \
460 container_of_const(_state, struct vc4_plane_state, base)
462 enum vc4_encoder_type {
463 VC4_ENCODER_TYPE_NONE,
464 VC4_ENCODER_TYPE_HDMI0,
465 VC4_ENCODER_TYPE_HDMI1,
466 VC4_ENCODER_TYPE_VEC,
467 VC4_ENCODER_TYPE_DSI0,
468 VC4_ENCODER_TYPE_DSI1,
469 VC4_ENCODER_TYPE_SMI,
470 VC4_ENCODER_TYPE_DPI,
471 VC4_ENCODER_TYPE_TXP,
475 struct drm_encoder base;
476 enum vc4_encoder_type type;
479 void (*pre_crtc_configure)(struct drm_encoder *encoder, struct drm_atomic_state *state);
480 void (*pre_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
481 void (*post_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
483 void (*post_crtc_disable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
484 void (*post_crtc_powerdown)(struct drm_encoder *encoder, struct drm_atomic_state *state);
487 #define to_vc4_encoder(_encoder) \
488 container_of_const(_encoder, struct vc4_encoder, base)
491 struct drm_encoder *vc4_find_encoder_by_type(struct drm_device *drm,
492 enum vc4_encoder_type type)
494 struct drm_encoder *encoder;
496 drm_for_each_encoder(encoder, drm) {
497 struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder);
499 if (vc4_encoder->type == type)
506 struct vc5_gamma_entry {
511 #define VC5_HVS_SET_GAMMA_ENTRY(x, c, g) (struct vc5_gamma_entry){ \
512 .x_c_terms = VC4_SET_FIELD((x), SCALER5_DSPGAMMA_OFF_X) | \
513 VC4_SET_FIELD((c), SCALER5_DSPGAMMA_OFF_C), \
517 struct vc4_crtc_data {
520 const char *debugfs_name;
522 /* Bitmask of channels (FIFOs) of the HVS that the output can source from */
523 unsigned int hvs_available_channels;
525 /* Which output of the HVS this pixelvalve sources from. */
529 extern const struct vc4_crtc_data vc4_txp_crtc_data;
532 struct vc4_crtc_data base;
534 /* Depth of the PixelValve FIFO in bytes */
535 unsigned int fifo_depth;
537 /* Number of pixels output per clock period */
540 enum vc4_encoder_type encoder_types[4];
543 extern const struct vc4_pv_data bcm2835_pv0_data;
544 extern const struct vc4_pv_data bcm2835_pv1_data;
545 extern const struct vc4_pv_data bcm2835_pv2_data;
546 extern const struct vc4_pv_data bcm2711_pv0_data;
547 extern const struct vc4_pv_data bcm2711_pv1_data;
548 extern const struct vc4_pv_data bcm2711_pv2_data;
549 extern const struct vc4_pv_data bcm2711_pv3_data;
550 extern const struct vc4_pv_data bcm2711_pv4_data;
553 struct drm_crtc base;
554 struct platform_device *pdev;
555 const struct vc4_crtc_data *data;
558 /* Timestamp at start of vblank irq - unaffected by lock delays. */
562 struct { /* VC4 gamma LUT */
567 struct { /* VC5 gamma PWL entries */
568 struct vc5_gamma_entry pwl_r[SCALER5_DSPGAMMA_NUM_POINTS];
569 struct vc5_gamma_entry pwl_g[SCALER5_DSPGAMMA_NUM_POINTS];
570 struct vc5_gamma_entry pwl_b[SCALER5_DSPGAMMA_NUM_POINTS];
571 struct vc5_gamma_entry pwl_a[SCALER5_DSPGAMMA_NUM_POINTS];
575 struct drm_pending_vblank_event *event;
577 struct debugfs_regset32 regset;
580 * @feeds_txp: True if the CRTC feeds our writeback controller.
585 * @irq_lock: Spinlock protecting the resources shared between
586 * the atomic code and our vblank handler.
591 * @current_dlist: Start offset of the display list currently
592 * set in the HVS for that CRTC. Protected by @irq_lock, and
593 * copied in vc4_hvs_update_dlist() for the CRTC interrupt
594 * handler to have access to that value.
596 unsigned int current_dlist;
599 * @current_hvs_channel: HVS channel currently assigned to the
600 * CRTC. Protected by @irq_lock, and copied in
601 * vc4_hvs_atomic_begin() for the CRTC interrupt handler to have
602 * access to that value.
604 unsigned int current_hvs_channel;
607 #define to_vc4_crtc(_crtc) \
608 container_of_const(_crtc, struct vc4_crtc, base)
610 static inline const struct vc4_crtc_data *
611 vc4_crtc_to_vc4_crtc_data(const struct vc4_crtc *crtc)
616 static inline const struct vc4_pv_data *
617 vc4_crtc_to_vc4_pv_data(const struct vc4_crtc *crtc)
619 const struct vc4_crtc_data *data = vc4_crtc_to_vc4_crtc_data(crtc);
621 return container_of_const(data, struct vc4_pv_data, base);
624 struct drm_connector *vc4_get_crtc_connector(struct drm_crtc *crtc,
625 struct drm_crtc_state *state);
627 struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc,
628 struct drm_crtc_state *state);
630 struct vc4_hvs_dlist_allocation {
631 struct list_head node;
632 struct drm_mm_node mm_node;
633 unsigned int channel;
634 u8 target_frame_count;
637 struct vc4_crtc_state {
638 struct drm_crtc_state base;
639 struct vc4_hvs_dlist_allocation *mm;
641 unsigned int assigned_channel;
643 struct drm_connector_tv_margins margins;
645 unsigned long hvs_load;
647 /* Transitional state below, only valid during atomic commits */
651 #define VC4_HVS_CHANNEL_DISABLED ((unsigned int)-1)
653 #define to_vc4_crtc_state(_state) \
654 container_of_const(_state, struct vc4_crtc_state, base)
656 #define V3D_READ(offset) \
658 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
659 readl(vc4->v3d->regs + (offset)); \
662 #define V3D_WRITE(offset, val) \
664 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
665 writel(val, vc4->v3d->regs + (offset)); \
668 #define HVS_READ(offset) \
670 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
671 readl(hvs->regs + (offset)); \
674 #define HVS_WRITE(offset, val) \
676 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
677 writel(val, hvs->regs + (offset)); \
680 #define VC4_REG32(reg) { .name = #reg, .offset = reg }
682 struct vc4_exec_info {
685 /* Sequence number for this bin/render job. */
688 /* Latest write_seqno of any BO that binning depends on. */
689 uint64_t bin_dep_seqno;
691 struct dma_fence *fence;
693 /* Last current addresses the hardware was processing when the
694 * hangcheck timer checked on us.
696 uint32_t last_ct0ca, last_ct1ca;
698 /* Kernel-space copy of the ioctl arguments */
699 struct drm_vc4_submit_cl *args;
701 /* This is the array of BOs that were looked up at the start of exec.
702 * Command validation will use indices into this array.
704 struct drm_gem_object **bo;
707 /* List of BOs that are being written by the RCL. Other than
708 * the binner temporary storage, this is all the BOs written
711 struct drm_gem_dma_object *rcl_write_bo[4];
712 uint32_t rcl_write_bo_count;
714 /* Pointers for our position in vc4->job_list */
715 struct list_head head;
717 /* List of other BOs used in the job that need to be released
718 * once the job is complete.
720 struct list_head unref_list;
722 /* Current unvalidated indices into @bo loaded by the non-hardware
723 * VC4_PACKET_GEM_HANDLES.
725 uint32_t bo_index[2];
727 /* This is the BO where we store the validated command lists, shader
728 * records, and uniforms.
730 struct drm_gem_dma_object *exec_bo;
733 * This tracks the per-shader-record state (packet 64) that
734 * determines the length of the shader record and the offset
735 * it's expected to be found at. It gets read in from the
738 struct vc4_shader_state {
740 /* Maximum vertex index referenced by any primitive using this
746 /** How many shader states the user declared they were using. */
747 uint32_t shader_state_size;
748 /** How many shader state records the validator has seen. */
749 uint32_t shader_state_count;
751 bool found_tile_binning_mode_config_packet;
752 bool found_start_tile_binning_packet;
753 bool found_increment_semaphore_packet;
755 uint8_t bin_tiles_x, bin_tiles_y;
756 /* Physical address of the start of the tile alloc array
757 * (where each tile's binned CL will start)
759 uint32_t tile_alloc_offset;
760 /* Bitmask of which binner slots are freed when this job completes. */
764 * Computed addresses pointing into exec_bo where we start the
765 * bin thread (ct0) and render thread (ct1).
767 uint32_t ct0ca, ct0ea;
768 uint32_t ct1ca, ct1ea;
770 /* Pointer to the unvalidated bin CL (if present). */
773 /* Pointers to the shader recs. These paddr gets incremented as CL
774 * packets are relocated in validate_gl_shader_state, and the vaddrs
775 * (u and v) get incremented and size decremented as the shader recs
776 * themselves are validated.
780 uint32_t shader_rec_p;
781 uint32_t shader_rec_size;
783 /* Pointers to the uniform data. These pointers are incremented, and
784 * size decremented, as each batch of uniforms is uploaded.
789 uint32_t uniforms_size;
791 /* Pointer to a performance monitor object if the user requested it,
794 struct vc4_perfmon *perfmon;
796 /* Whether the exec has taken a reference to the binner BO, which should
797 * happen with a VC4_PACKET_TILE_BINNING_MODE_CONFIG packet.
802 /* Per-open file private data. Any driver-specific resource that has to be
803 * released when the DRM file is closed should be placed here.
816 static inline struct vc4_exec_info *
817 vc4_first_bin_job(struct vc4_dev *vc4)
819 return list_first_entry_or_null(&vc4->bin_job_list,
820 struct vc4_exec_info, head);
823 static inline struct vc4_exec_info *
824 vc4_first_render_job(struct vc4_dev *vc4)
826 return list_first_entry_or_null(&vc4->render_job_list,
827 struct vc4_exec_info, head);
830 static inline struct vc4_exec_info *
831 vc4_last_render_job(struct vc4_dev *vc4)
833 if (list_empty(&vc4->render_job_list))
835 return list_last_entry(&vc4->render_job_list,
836 struct vc4_exec_info, head);
840 * struct vc4_texture_sample_info - saves the offsets into the UBO for texture
843 * This will be used at draw time to relocate the reference to the texture
844 * contents in p0, and validate that the offset combined with
845 * width/height/stride/etc. from p1 and p2/p3 doesn't sample outside the BO.
846 * Note that the hardware treats unprovided config parameters as 0, so not all
847 * of them need to be set up for every texure sample, and we'll store ~0 as
848 * the offset to mark the unused ones.
850 * See the VC4 3D architecture guide page 41 ("Texture and Memory Lookup Unit
851 * Setup") for definitions of the texture parameters.
853 struct vc4_texture_sample_info {
855 uint32_t p_offset[4];
859 * struct vc4_validated_shader_info - information about validated shaders that
860 * needs to be used from command list validation.
862 * For a given shader, each time a shader state record references it, we need
863 * to verify that the shader doesn't read more uniforms than the shader state
864 * record's uniform BO pointer can provide, and we need to apply relocations
865 * and validate the shader state record's uniforms that define the texture
868 struct vc4_validated_shader_info {
869 uint32_t uniforms_size;
870 uint32_t uniforms_src_size;
871 uint32_t num_texture_samples;
872 struct vc4_texture_sample_info *texture_samples;
874 uint32_t num_uniform_addr_offsets;
875 uint32_t *uniform_addr_offsets;
881 * __wait_for - magic wait macro
883 * Macro to help avoid open coding check/wait/timeout patterns. Note that it's
884 * important that we check the condition again after having timed out, since the
885 * timeout could be due to preemption or similar and we've never had a chance to
886 * check the condition before the timeout.
888 #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \
889 const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \
890 long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \
894 const bool expired__ = ktime_after(ktime_get_raw(), end__); \
896 /* Guarantee COND check prior to timeout */ \
903 ret__ = -ETIMEDOUT; \
906 usleep_range(wait__, wait__ * 2); \
907 if (wait__ < (Wmax)) \
913 #define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \
915 #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
918 struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size);
919 struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size,
920 bool from_cache, enum vc4_kernel_bo_type type);
921 int vc4_bo_dumb_create(struct drm_file *file_priv,
922 struct drm_device *dev,
923 struct drm_mode_create_dumb *args);
924 int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
925 struct drm_file *file_priv);
926 int vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data,
927 struct drm_file *file_priv);
928 int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data,
929 struct drm_file *file_priv);
930 int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
931 struct drm_file *file_priv);
932 int vc4_get_tiling_ioctl(struct drm_device *dev, void *data,
933 struct drm_file *file_priv);
934 int vc4_get_hang_state_ioctl(struct drm_device *dev, void *data,
935 struct drm_file *file_priv);
936 int vc4_label_bo_ioctl(struct drm_device *dev, void *data,
937 struct drm_file *file_priv);
938 int vc4_bo_cache_init(struct drm_device *dev);
939 int vc4_bo_inc_usecnt(struct vc4_bo *bo);
940 void vc4_bo_dec_usecnt(struct vc4_bo *bo);
941 void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo);
942 void vc4_bo_remove_from_purgeable_pool(struct vc4_bo *bo);
943 int vc4_bo_debugfs_init(struct drm_minor *minor);
946 extern struct platform_driver vc4_crtc_driver;
947 int vc4_crtc_disable_at_boot(struct drm_crtc *crtc);
948 int __vc4_crtc_init(struct drm_device *drm, struct platform_device *pdev,
949 struct vc4_crtc *vc4_crtc, const struct vc4_crtc_data *data,
950 struct drm_plane *primary_plane,
951 const struct drm_crtc_funcs *crtc_funcs,
952 const struct drm_crtc_helper_funcs *crtc_helper_funcs,
954 int vc4_crtc_init(struct drm_device *drm, struct platform_device *pdev,
955 struct vc4_crtc *vc4_crtc, const struct vc4_crtc_data *data,
956 const struct drm_crtc_funcs *crtc_funcs,
957 const struct drm_crtc_helper_funcs *crtc_helper_funcs,
959 int vc4_page_flip(struct drm_crtc *crtc,
960 struct drm_framebuffer *fb,
961 struct drm_pending_vblank_event *event,
963 struct drm_modeset_acquire_ctx *ctx);
964 int vc4_crtc_atomic_check(struct drm_crtc *crtc,
965 struct drm_atomic_state *state);
966 struct drm_crtc_state *vc4_crtc_duplicate_state(struct drm_crtc *crtc);
967 void vc4_crtc_destroy_state(struct drm_crtc *crtc,
968 struct drm_crtc_state *state);
969 void vc4_crtc_reset(struct drm_crtc *crtc);
970 void vc4_crtc_handle_vblank(struct vc4_crtc *crtc);
971 void vc4_crtc_send_vblank(struct drm_crtc *crtc);
972 int vc4_crtc_late_register(struct drm_crtc *crtc);
973 void vc4_crtc_get_margins(struct drm_crtc_state *state,
974 unsigned int *left, unsigned int *right,
975 unsigned int *top, unsigned int *bottom);
978 void vc4_debugfs_init(struct drm_minor *minor);
979 #ifdef CONFIG_DEBUG_FS
980 void vc4_debugfs_add_regset32(struct drm_device *drm,
981 const char *filename,
982 struct debugfs_regset32 *regset);
985 static inline void vc4_debugfs_add_regset32(struct drm_device *drm,
986 const char *filename,
987 struct debugfs_regset32 *regset)
992 void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index);
993 int vc4_dumb_fixup_args(struct drm_mode_create_dumb *args);
996 extern struct platform_driver vc4_dpi_driver;
999 extern struct platform_driver vc4_dsi_driver;
1002 extern const struct dma_fence_ops vc4_fence_ops;
1004 /* vc4_firmware_kms.c */
1005 extern struct platform_driver vc4_firmware_kms_driver;
1008 int vc4_gem_init(struct drm_device *dev);
1009 int vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
1010 struct drm_file *file_priv);
1011 int vc4_wait_seqno_ioctl(struct drm_device *dev, void *data,
1012 struct drm_file *file_priv);
1013 int vc4_wait_bo_ioctl(struct drm_device *dev, void *data,
1014 struct drm_file *file_priv);
1015 void vc4_submit_next_bin_job(struct drm_device *dev);
1016 void vc4_submit_next_render_job(struct drm_device *dev);
1017 void vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec);
1018 int vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno,
1019 uint64_t timeout_ns, bool interruptible);
1020 void vc4_job_handle_completed(struct vc4_dev *vc4);
1021 int vc4_queue_seqno_cb(struct drm_device *dev,
1022 struct vc4_seqno_cb *cb, uint64_t seqno,
1023 void (*func)(struct vc4_seqno_cb *cb));
1024 int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data,
1025 struct drm_file *file_priv);
1028 extern struct platform_driver vc4_hdmi_driver;
1031 extern struct platform_driver vc4_vec_driver;
1034 extern struct platform_driver vc4_txp_driver;
1037 void vc4_irq_enable(struct drm_device *dev);
1038 void vc4_irq_disable(struct drm_device *dev);
1039 int vc4_irq_install(struct drm_device *dev, int irq);
1040 void vc4_irq_uninstall(struct drm_device *dev);
1041 void vc4_irq_reset(struct drm_device *dev);
1044 extern struct platform_driver vc4_hvs_driver;
1045 struct vc4_hvs *__vc4_hvs_alloc(struct vc4_dev *vc4,
1047 struct platform_device *pdev);
1048 void vc4_hvs_stop_channel(struct vc4_hvs *hvs, unsigned int output);
1049 int vc4_hvs_get_fifo_from_output(struct vc4_hvs *hvs, unsigned int output);
1050 u8 vc4_hvs_get_fifo_frame_count(struct vc4_hvs *hvs, unsigned int fifo);
1051 void vc4_hvs_mark_dlist_entry_stale(struct vc4_hvs *hvs,
1052 struct vc4_hvs_dlist_allocation *alloc);
1053 int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state);
1054 void vc4_hvs_atomic_begin(struct drm_crtc *crtc, struct drm_atomic_state *state);
1055 void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state);
1056 void vc4_hvs_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state);
1057 void vc4_hvs_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state);
1058 void vc4_hvs_dump_state(struct vc4_hvs *hvs);
1059 void vc4_hvs_unmask_underrun(struct vc4_hvs *hvs, int channel);
1060 void vc4_hvs_mask_underrun(struct vc4_hvs *hvs, int channel);
1061 int vc4_hvs_debugfs_init(struct drm_minor *minor);
1064 int vc4_kms_load(struct drm_device *dev);
1067 struct drm_plane *vc4_plane_init(struct drm_device *dev,
1068 enum drm_plane_type type,
1069 uint32_t possible_crtcs);
1070 int vc4_plane_create_additional_planes(struct drm_device *dev);
1071 u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist);
1072 u32 vc4_plane_dlist_size(const struct drm_plane_state *state);
1073 void vc4_plane_async_set_fb(struct drm_plane *plane,
1074 struct drm_framebuffer *fb);
1077 extern struct platform_driver vc4_v3d_driver;
1078 extern const struct of_device_id vc4_v3d_dt_match[];
1079 int vc4_v3d_get_bin_slot(struct vc4_dev *vc4);
1080 int vc4_v3d_bin_bo_get(struct vc4_dev *vc4, bool *used);
1081 void vc4_v3d_bin_bo_put(struct vc4_dev *vc4);
1082 int vc4_v3d_pm_get(struct vc4_dev *vc4);
1083 void vc4_v3d_pm_put(struct vc4_dev *vc4);
1084 int vc4_v3d_debugfs_init(struct drm_minor *minor);
1086 /* vc4_validate.c */
1088 vc4_validate_bin_cl(struct drm_device *dev,
1091 struct vc4_exec_info *exec);
1094 vc4_validate_shader_recs(struct drm_device *dev, struct vc4_exec_info *exec);
1096 struct drm_gem_dma_object *vc4_use_bo(struct vc4_exec_info *exec,
1099 int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec);
1101 bool vc4_check_tex_size(struct vc4_exec_info *exec,
1102 struct drm_gem_dma_object *fbo,
1103 uint32_t offset, uint8_t tiling_format,
1104 uint32_t width, uint32_t height, uint8_t cpp);
1106 /* vc4_validate_shader.c */
1107 struct vc4_validated_shader_info *
1108 vc4_validate_shader(struct drm_gem_dma_object *shader_obj);
1111 void vc4_perfmon_get(struct vc4_perfmon *perfmon);
1112 void vc4_perfmon_put(struct vc4_perfmon *perfmon);
1113 void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon);
1114 void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,
1116 struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id);
1117 void vc4_perfmon_open_file(struct vc4_file *vc4file);
1118 void vc4_perfmon_close_file(struct vc4_file *vc4file);
1119 int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
1120 struct drm_file *file_priv);
1121 int vc4_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
1122 struct drm_file *file_priv);
1123 int vc4_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
1124 struct drm_file *file_priv);
1126 #endif /* _VC4_DRV_H_ */