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_gem_dma_helper.h>
18 #include <drm/drm_managed.h>
19 #include <drm/drm_mm.h>
20 #include <drm/drm_modeset_lock.h>
22 #include <kunit/test-bug.h>
24 #include "uapi/drm/vc4_drm.h"
27 struct drm_gem_object;
29 extern const struct drm_driver vc4_drm_driver;
30 extern const struct drm_driver vc5_drm_driver;
32 /* Don't forget to update vc4_bo.c: bo_type_names[] when adding to
35 enum vc4_kernel_bo_type {
36 /* Any kernel allocation (gem_create_object hook) before it
37 * gets another type set.
41 VC4_BO_TYPE_V3D_SHADER,
46 VC4_BO_TYPE_KERNEL_CACHE,
50 /* Performance monitor object. The perform lifetime is controlled by userspace
51 * using perfmon related ioctls. A perfmon can be attached to a submit_cl
52 * request, and when this is the case, HW perf counters will be activated just
53 * before the submit_cl is submitted to the GPU and disabled when the job is
54 * done. This way, only events related to a specific job will be counted.
59 /* Tracks the number of users of the perfmon, when this counter reaches
60 * zero the perfmon is destroyed.
64 /* Number of counters activated in this perfmon instance
65 * (should be less than DRM_VC4_MAX_PERF_COUNTERS).
69 /* Events counted by the HW perf counters. */
70 u8 events[DRM_VC4_MAX_PERF_COUNTERS];
72 /* Storage for counter values. Counters are incremented by the HW
73 * perf counter values every time the perfmon is attached to a GPU job.
74 * This way, perfmon users don't have to retrieve the results after
75 * each job if they want to track events covering several submissions.
76 * Note that counter values can't be reset, but you can fake a reset by
77 * destroying the perfmon and creating a new one.
83 struct drm_device base;
93 struct vc4_hang_state *hang_state;
95 /* The kernel-space BO cache. Tracks buffers that have been
96 * unreferenced by all other users (refcounts of 0!) but not
97 * yet freed, so we can do cheap allocations.
100 /* Array of list heads for entries in the BO cache,
101 * based on number of pages, so we can do O(1) lookups
102 * in the cache when allocating.
104 struct list_head *size_list;
105 uint32_t size_list_size;
107 /* List of all BOs in the cache, ordered by age, so we
108 * can do O(1) lookups when trying to free old
111 struct list_head time_list;
112 struct work_struct time_work;
113 struct timer_list time_timer;
123 /* Protects bo_cache and bo_labels. */
124 struct mutex bo_lock;
126 /* Purgeable BO pool. All BOs in this pool can have their memory
127 * reclaimed if the driver is unable to allocate new BOs. We also
128 * keep stats related to the purge mechanism here.
131 struct list_head list;
134 unsigned int purged_num;
139 uint64_t dma_fence_context;
141 /* Sequence number for the last job queued in bin_job_list.
142 * Starts at 0 (no jobs emitted).
146 /* Sequence number for the last completed job on the GPU.
147 * Starts at 0 (no jobs completed).
149 uint64_t finished_seqno;
151 /* List of all struct vc4_exec_info for jobs to be executed in
152 * the binner. The first job in the list is the one currently
153 * programmed into ct0ca for execution.
155 struct list_head bin_job_list;
157 /* List of all struct vc4_exec_info for jobs that have
158 * completed binning and are ready for rendering. The first
159 * job in the list is the one currently programmed into ct1ca
162 struct list_head render_job_list;
164 /* List of the finished vc4_exec_infos waiting to be freed by
167 struct list_head job_done_list;
168 /* Spinlock used to synchronize the job_list and seqno
169 * accesses between the IRQ handler and GEM ioctls.
172 wait_queue_head_t job_wait_queue;
173 struct work_struct job_done_work;
175 /* Used to track the active perfmon if any. Access to this field is
176 * protected by job_lock.
178 struct vc4_perfmon *active_perfmon;
180 /* List of struct vc4_seqno_cb for callbacks to be made from a
181 * workqueue when the given seqno is passed.
183 struct list_head seqno_cb_list;
185 /* The memory used for storing binner tile alloc, tile state,
186 * and overflow memory allocations. This is freed when V3D
189 struct vc4_bo *bin_bo;
191 /* Size of blocks allocated within bin_bo. */
192 uint32_t bin_alloc_size;
194 /* Bitmask of the bin_alloc_size chunks in bin_bo that are
197 uint32_t bin_alloc_used;
199 /* Bitmask of the current bin_alloc used for overflow memory. */
200 uint32_t bin_alloc_overflow;
202 /* Incremented when an underrun error happened after an atomic commit.
203 * This is particularly useful to detect when a specific modeset is too
204 * demanding in term of memory or HVS bandwidth which is hard to guess
205 * at atomic check time.
209 struct work_struct overflow_mem_work;
213 /* Set to true when the load tracker is active. */
214 bool load_tracker_enabled;
216 /* Mutex controlling the power refcount. */
217 struct mutex power_lock;
220 struct timer_list timer;
221 struct work_struct reset_work;
224 struct drm_modeset_lock ctm_state_lock;
225 struct drm_private_obj ctm_manager;
226 struct drm_private_obj hvs_channels;
227 struct drm_private_obj load_tracker;
229 /* Mutex for binner bo allocation. */
230 struct mutex bin_bo_lock;
231 /* Reference count for our binner bo. */
232 struct kref bin_bo_kref;
235 static inline struct vc4_dev *
236 to_vc4_dev(const struct drm_device *dev)
238 return container_of(dev, struct vc4_dev, base);
242 struct drm_gem_dma_object base;
244 /* seqno of the last job to render using this BO. */
247 /* seqno of the last job to use the RCL to write to this BO.
249 * Note that this doesn't include binner overflow memory
252 uint64_t write_seqno;
256 /* List entry for the BO's position in either
257 * vc4_exec_info->unref_list or vc4_dev->bo_cache.time_list
259 struct list_head unref_head;
261 /* Time in jiffies when the BO was put in vc4->bo_cache. */
262 unsigned long free_time;
264 /* List entry for the BO's position in vc4_dev->bo_cache.size_list */
265 struct list_head size_head;
267 /* Struct for shader validation state, if created by
268 * DRM_IOCTL_VC4_CREATE_SHADER_BO.
270 struct vc4_validated_shader_info *validated_shader;
272 /* One of enum vc4_kernel_bo_type, or VC4_BO_TYPE_COUNT + i
273 * for user-allocated labels.
277 /* Count the number of active users. This is needed to determine
278 * whether we can move the BO to the purgeable list or not (when the BO
279 * is used by the GPU or the display engine we can't purge it).
283 /* Store purgeable/purged state here */
285 struct mutex madv_lock;
288 static inline struct vc4_bo *
289 to_vc4_bo(const struct drm_gem_object *bo)
291 return container_of(to_drm_gem_dma_obj(bo), struct vc4_bo, base);
295 struct dma_fence base;
296 struct drm_device *dev;
297 /* vc4 seqno for signaled() test */
301 static inline struct vc4_fence *
302 to_vc4_fence(const struct dma_fence *fence)
304 return container_of(fence, struct vc4_fence, base);
307 struct vc4_seqno_cb {
308 struct work_struct work;
310 void (*func)(struct vc4_seqno_cb *cb);
315 struct platform_device *pdev;
318 struct debugfs_regset32 regset;
323 struct platform_device *pdev;
327 struct clk *core_clk;
329 unsigned long max_core_rate;
331 /* Memory manager for CRTCs to allocate space in the display
332 * list. Units are dwords.
334 struct drm_mm dlist_mm;
335 /* Memory manager for the LBM memory used by HVS scaling. */
336 struct drm_mm lbm_mm;
339 struct drm_mm_node mitchell_netravali_filter;
341 struct debugfs_regset32 regset;
344 * Even if HDMI0 on the RPi4 can output modes requiring a pixel
345 * rate higher than 297MHz, it needs some adjustments in the
346 * config.txt file to be able to do so and thus won't always be
349 bool vc5_hdmi_enable_hdmi_20;
352 * 4096x2160@60 requires a core overclock to work, so register
353 * whether that is sufficient.
355 bool vc5_hdmi_enable_4096by2160;
358 #define HVS_NUM_CHANNELS 3
360 struct vc4_hvs_state {
361 struct drm_private_state base;
362 unsigned long core_clock_rate;
366 unsigned long fifo_load;
367 struct drm_crtc_commit *pending_commit;
368 } fifo_state[HVS_NUM_CHANNELS];
371 static inline struct vc4_hvs_state *
372 to_vc4_hvs_state(const struct drm_private_state *priv)
374 return container_of(priv, struct vc4_hvs_state, base);
377 struct vc4_hvs_state *vc4_hvs_get_global_state(struct drm_atomic_state *state);
378 struct vc4_hvs_state *vc4_hvs_get_old_global_state(const struct drm_atomic_state *state);
379 struct vc4_hvs_state *vc4_hvs_get_new_global_state(const struct drm_atomic_state *state);
382 struct drm_plane base;
385 static inline struct vc4_plane *
386 to_vc4_plane(const struct drm_plane *plane)
388 return container_of(plane, struct vc4_plane, base);
391 enum vc4_scaling_mode {
397 struct vc4_plane_state {
398 struct drm_plane_state base;
399 /* System memory copy of the display list for this element, computed
400 * at atomic_check time.
403 u32 dlist_size; /* Number of dwords allocated for the display list */
404 u32 dlist_count; /* Number of used dwords in the display list. */
406 /* Offset in the dlist to various words, for pageflip or
414 /* Offset where the plane's dlist was last stored in the
415 * hardware at vc4_crtc_atomic_flush() time.
417 u32 __iomem *hw_dlist;
419 /* Clipped coordinates of the plane on the display. */
420 int crtc_x, crtc_y, crtc_w, crtc_h;
421 /* Clipped area being scanned from in the FB. */
424 u32 src_w[2], src_h[2];
426 /* Scaling selection for the RGB/Y plane and the Cb/Cr planes. */
427 enum vc4_scaling_mode x_scaling[2], y_scaling[2];
431 /* Offset to start scanning out from the start of the plane's
436 /* Our allocation in LBM for temporary storage during scaling. */
437 struct drm_mm_node lbm;
439 /* Set when the plane has per-pixel alpha content or does not cover
440 * the entire screen. This is a hint to the CRTC that it might need
441 * to enable background color fill.
445 /* Mark the dlist as initialized. Useful to avoid initializing it twice
446 * when async update is not possible.
448 bool dlist_initialized;
450 /* Load of this plane on the HVS block. The load is expressed in HVS
455 /* Memory bandwidth needed for this plane. This is expressed in
461 static inline struct vc4_plane_state *
462 to_vc4_plane_state(const struct drm_plane_state *state)
464 return container_of(state, struct vc4_plane_state, base);
467 enum vc4_encoder_type {
468 VC4_ENCODER_TYPE_NONE,
469 VC4_ENCODER_TYPE_HDMI0,
470 VC4_ENCODER_TYPE_HDMI1,
471 VC4_ENCODER_TYPE_VEC,
472 VC4_ENCODER_TYPE_DSI0,
473 VC4_ENCODER_TYPE_DSI1,
474 VC4_ENCODER_TYPE_SMI,
475 VC4_ENCODER_TYPE_DPI,
476 VC4_ENCODER_TYPE_TXP,
480 struct drm_encoder base;
481 enum vc4_encoder_type type;
484 void (*pre_crtc_configure)(struct drm_encoder *encoder, struct drm_atomic_state *state);
485 void (*pre_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
486 void (*post_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
488 void (*post_crtc_disable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
489 void (*post_crtc_powerdown)(struct drm_encoder *encoder, struct drm_atomic_state *state);
492 static inline struct vc4_encoder *
493 to_vc4_encoder(const struct drm_encoder *encoder)
495 return container_of(encoder, struct vc4_encoder, base);
499 struct drm_encoder *vc4_find_encoder_by_type(struct drm_device *drm,
500 enum vc4_encoder_type type)
502 struct drm_encoder *encoder;
504 drm_for_each_encoder(encoder, drm) {
505 struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder);
507 if (vc4_encoder->type == type)
514 struct vc4_crtc_data {
517 const char *debugfs_name;
519 /* Bitmask of channels (FIFOs) of the HVS that the output can source from */
520 unsigned int hvs_available_channels;
522 /* Which output of the HVS this pixelvalve sources from. */
526 extern const struct vc4_crtc_data vc4_txp_crtc_data;
529 struct vc4_crtc_data base;
531 /* Depth of the PixelValve FIFO in bytes */
532 unsigned int fifo_depth;
534 /* Number of pixels output per clock period */
537 enum vc4_encoder_type encoder_types[4];
540 extern const struct vc4_pv_data bcm2835_pv0_data;
541 extern const struct vc4_pv_data bcm2835_pv1_data;
542 extern const struct vc4_pv_data bcm2835_pv2_data;
543 extern const struct vc4_pv_data bcm2711_pv0_data;
544 extern const struct vc4_pv_data bcm2711_pv1_data;
545 extern const struct vc4_pv_data bcm2711_pv2_data;
546 extern const struct vc4_pv_data bcm2711_pv3_data;
547 extern const struct vc4_pv_data bcm2711_pv4_data;
550 struct drm_crtc base;
551 struct platform_device *pdev;
552 const struct vc4_crtc_data *data;
555 /* Timestamp at start of vblank irq - unaffected by lock delays. */
562 struct drm_pending_vblank_event *event;
564 struct debugfs_regset32 regset;
567 * @feeds_txp: True if the CRTC feeds our writeback controller.
572 * @irq_lock: Spinlock protecting the resources shared between
573 * the atomic code and our vblank handler.
578 * @current_dlist: Start offset of the display list currently
579 * set in the HVS for that CRTC. Protected by @irq_lock, and
580 * copied in vc4_hvs_update_dlist() for the CRTC interrupt
581 * handler to have access to that value.
583 unsigned int current_dlist;
586 * @current_hvs_channel: HVS channel currently assigned to the
587 * CRTC. Protected by @irq_lock, and copied in
588 * vc4_hvs_atomic_begin() for the CRTC interrupt handler to have
589 * access to that value.
591 unsigned int current_hvs_channel;
594 static inline struct vc4_crtc *
595 to_vc4_crtc(const struct drm_crtc *crtc)
597 return container_of(crtc, struct vc4_crtc, base);
600 static inline const struct vc4_crtc_data *
601 vc4_crtc_to_vc4_crtc_data(const struct vc4_crtc *crtc)
606 static inline const struct vc4_pv_data *
607 vc4_crtc_to_vc4_pv_data(const struct vc4_crtc *crtc)
609 const struct vc4_crtc_data *data = vc4_crtc_to_vc4_crtc_data(crtc);
611 return container_of(data, struct vc4_pv_data, base);
614 struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc,
615 struct drm_crtc_state *state);
617 struct vc4_crtc_state {
618 struct drm_crtc_state base;
619 /* Dlist area for this CRTC configuration. */
620 struct drm_mm_node mm;
622 unsigned int assigned_channel;
631 unsigned long hvs_load;
633 /* Transitional state below, only valid during atomic commits */
637 #define VC4_HVS_CHANNEL_DISABLED ((unsigned int)-1)
639 static inline struct vc4_crtc_state *
640 to_vc4_crtc_state(const struct drm_crtc_state *crtc_state)
642 return container_of(crtc_state, struct vc4_crtc_state, base);
645 #define V3D_READ(offset) \
647 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
648 readl(vc4->v3d->regs + (offset)); \
651 #define V3D_WRITE(offset, val) \
653 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
654 writel(val, vc4->v3d->regs + (offset)); \
657 #define HVS_READ(offset) \
659 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
660 readl(hvs->regs + (offset)); \
663 #define HVS_WRITE(offset, val) \
665 kunit_fail_current_test("Accessing a register in a unit test!\n"); \
666 writel(val, hvs->regs + (offset)); \
669 #define VC4_REG32(reg) { .name = #reg, .offset = reg }
671 struct vc4_exec_info {
674 /* Sequence number for this bin/render job. */
677 /* Latest write_seqno of any BO that binning depends on. */
678 uint64_t bin_dep_seqno;
680 struct dma_fence *fence;
682 /* Last current addresses the hardware was processing when the
683 * hangcheck timer checked on us.
685 uint32_t last_ct0ca, last_ct1ca;
687 /* Kernel-space copy of the ioctl arguments */
688 struct drm_vc4_submit_cl *args;
690 /* This is the array of BOs that were looked up at the start of exec.
691 * Command validation will use indices into this array.
693 struct drm_gem_object **bo;
696 /* List of BOs that are being written by the RCL. Other than
697 * the binner temporary storage, this is all the BOs written
700 struct drm_gem_dma_object *rcl_write_bo[4];
701 uint32_t rcl_write_bo_count;
703 /* Pointers for our position in vc4->job_list */
704 struct list_head head;
706 /* List of other BOs used in the job that need to be released
707 * once the job is complete.
709 struct list_head unref_list;
711 /* Current unvalidated indices into @bo loaded by the non-hardware
712 * VC4_PACKET_GEM_HANDLES.
714 uint32_t bo_index[2];
716 /* This is the BO where we store the validated command lists, shader
717 * records, and uniforms.
719 struct drm_gem_dma_object *exec_bo;
722 * This tracks the per-shader-record state (packet 64) that
723 * determines the length of the shader record and the offset
724 * it's expected to be found at. It gets read in from the
727 struct vc4_shader_state {
729 /* Maximum vertex index referenced by any primitive using this
735 /** How many shader states the user declared they were using. */
736 uint32_t shader_state_size;
737 /** How many shader state records the validator has seen. */
738 uint32_t shader_state_count;
740 bool found_tile_binning_mode_config_packet;
741 bool found_start_tile_binning_packet;
742 bool found_increment_semaphore_packet;
744 uint8_t bin_tiles_x, bin_tiles_y;
745 /* Physical address of the start of the tile alloc array
746 * (where each tile's binned CL will start)
748 uint32_t tile_alloc_offset;
749 /* Bitmask of which binner slots are freed when this job completes. */
753 * Computed addresses pointing into exec_bo where we start the
754 * bin thread (ct0) and render thread (ct1).
756 uint32_t ct0ca, ct0ea;
757 uint32_t ct1ca, ct1ea;
759 /* Pointer to the unvalidated bin CL (if present). */
762 /* Pointers to the shader recs. These paddr gets incremented as CL
763 * packets are relocated in validate_gl_shader_state, and the vaddrs
764 * (u and v) get incremented and size decremented as the shader recs
765 * themselves are validated.
769 uint32_t shader_rec_p;
770 uint32_t shader_rec_size;
772 /* Pointers to the uniform data. These pointers are incremented, and
773 * size decremented, as each batch of uniforms is uploaded.
778 uint32_t uniforms_size;
780 /* Pointer to a performance monitor object if the user requested it,
783 struct vc4_perfmon *perfmon;
785 /* Whether the exec has taken a reference to the binner BO, which should
786 * happen with a VC4_PACKET_TILE_BINNING_MODE_CONFIG packet.
791 /* Per-open file private data. Any driver-specific resource that has to be
792 * released when the DRM file is closed should be placed here.
805 static inline struct vc4_exec_info *
806 vc4_first_bin_job(struct vc4_dev *vc4)
808 return list_first_entry_or_null(&vc4->bin_job_list,
809 struct vc4_exec_info, head);
812 static inline struct vc4_exec_info *
813 vc4_first_render_job(struct vc4_dev *vc4)
815 return list_first_entry_or_null(&vc4->render_job_list,
816 struct vc4_exec_info, head);
819 static inline struct vc4_exec_info *
820 vc4_last_render_job(struct vc4_dev *vc4)
822 if (list_empty(&vc4->render_job_list))
824 return list_last_entry(&vc4->render_job_list,
825 struct vc4_exec_info, head);
829 * struct vc4_texture_sample_info - saves the offsets into the UBO for texture
832 * This will be used at draw time to relocate the reference to the texture
833 * contents in p0, and validate that the offset combined with
834 * width/height/stride/etc. from p1 and p2/p3 doesn't sample outside the BO.
835 * Note that the hardware treats unprovided config parameters as 0, so not all
836 * of them need to be set up for every texure sample, and we'll store ~0 as
837 * the offset to mark the unused ones.
839 * See the VC4 3D architecture guide page 41 ("Texture and Memory Lookup Unit
840 * Setup") for definitions of the texture parameters.
842 struct vc4_texture_sample_info {
844 uint32_t p_offset[4];
848 * struct vc4_validated_shader_info - information about validated shaders that
849 * needs to be used from command list validation.
851 * For a given shader, each time a shader state record references it, we need
852 * to verify that the shader doesn't read more uniforms than the shader state
853 * record's uniform BO pointer can provide, and we need to apply relocations
854 * and validate the shader state record's uniforms that define the texture
857 struct vc4_validated_shader_info {
858 uint32_t uniforms_size;
859 uint32_t uniforms_src_size;
860 uint32_t num_texture_samples;
861 struct vc4_texture_sample_info *texture_samples;
863 uint32_t num_uniform_addr_offsets;
864 uint32_t *uniform_addr_offsets;
870 * __wait_for - magic wait macro
872 * Macro to help avoid open coding check/wait/timeout patterns. Note that it's
873 * important that we check the condition again after having timed out, since the
874 * timeout could be due to preemption or similar and we've never had a chance to
875 * check the condition before the timeout.
877 #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \
878 const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \
879 long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \
883 const bool expired__ = ktime_after(ktime_get_raw(), end__); \
885 /* Guarantee COND check prior to timeout */ \
892 ret__ = -ETIMEDOUT; \
895 usleep_range(wait__, wait__ * 2); \
896 if (wait__ < (Wmax)) \
902 #define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \
904 #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
907 struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size);
908 struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size,
909 bool from_cache, enum vc4_kernel_bo_type type);
910 int vc4_bo_dumb_create(struct drm_file *file_priv,
911 struct drm_device *dev,
912 struct drm_mode_create_dumb *args);
913 int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
914 struct drm_file *file_priv);
915 int vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data,
916 struct drm_file *file_priv);
917 int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data,
918 struct drm_file *file_priv);
919 int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
920 struct drm_file *file_priv);
921 int vc4_get_tiling_ioctl(struct drm_device *dev, void *data,
922 struct drm_file *file_priv);
923 int vc4_get_hang_state_ioctl(struct drm_device *dev, void *data,
924 struct drm_file *file_priv);
925 int vc4_label_bo_ioctl(struct drm_device *dev, void *data,
926 struct drm_file *file_priv);
927 int vc4_bo_cache_init(struct drm_device *dev);
928 int vc4_bo_inc_usecnt(struct vc4_bo *bo);
929 void vc4_bo_dec_usecnt(struct vc4_bo *bo);
930 void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo);
931 void vc4_bo_remove_from_purgeable_pool(struct vc4_bo *bo);
932 int vc4_bo_debugfs_init(struct drm_minor *minor);
935 extern struct platform_driver vc4_crtc_driver;
936 int vc4_crtc_disable_at_boot(struct drm_crtc *crtc);
937 int __vc4_crtc_init(struct drm_device *drm, struct platform_device *pdev,
938 struct vc4_crtc *vc4_crtc, const struct vc4_crtc_data *data,
939 struct drm_plane *primary_plane,
940 const struct drm_crtc_funcs *crtc_funcs,
941 const struct drm_crtc_helper_funcs *crtc_helper_funcs,
943 int vc4_crtc_init(struct drm_device *drm, struct platform_device *pdev,
944 struct vc4_crtc *vc4_crtc, const struct vc4_crtc_data *data,
945 const struct drm_crtc_funcs *crtc_funcs,
946 const struct drm_crtc_helper_funcs *crtc_helper_funcs,
948 int vc4_page_flip(struct drm_crtc *crtc,
949 struct drm_framebuffer *fb,
950 struct drm_pending_vblank_event *event,
952 struct drm_modeset_acquire_ctx *ctx);
953 int vc4_crtc_atomic_check(struct drm_crtc *crtc,
954 struct drm_atomic_state *state);
955 struct drm_crtc_state *vc4_crtc_duplicate_state(struct drm_crtc *crtc);
956 void vc4_crtc_destroy_state(struct drm_crtc *crtc,
957 struct drm_crtc_state *state);
958 void vc4_crtc_reset(struct drm_crtc *crtc);
959 void vc4_crtc_handle_vblank(struct vc4_crtc *crtc);
960 void vc4_crtc_send_vblank(struct drm_crtc *crtc);
961 int vc4_crtc_late_register(struct drm_crtc *crtc);
962 void vc4_crtc_get_margins(struct drm_crtc_state *state,
963 unsigned int *left, unsigned int *right,
964 unsigned int *top, unsigned int *bottom);
967 void vc4_debugfs_init(struct drm_minor *minor);
968 #ifdef CONFIG_DEBUG_FS
969 void vc4_debugfs_add_regset32(struct drm_device *drm,
970 const char *filename,
971 struct debugfs_regset32 *regset);
974 static inline void vc4_debugfs_add_regset32(struct drm_device *drm,
975 const char *filename,
976 struct debugfs_regset32 *regset)
981 void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index);
982 int vc4_dumb_fixup_args(struct drm_mode_create_dumb *args);
985 extern struct platform_driver vc4_dpi_driver;
988 extern struct platform_driver vc4_dsi_driver;
991 extern const struct dma_fence_ops vc4_fence_ops;
994 int vc4_gem_init(struct drm_device *dev);
995 int vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
996 struct drm_file *file_priv);
997 int vc4_wait_seqno_ioctl(struct drm_device *dev, void *data,
998 struct drm_file *file_priv);
999 int vc4_wait_bo_ioctl(struct drm_device *dev, void *data,
1000 struct drm_file *file_priv);
1001 void vc4_submit_next_bin_job(struct drm_device *dev);
1002 void vc4_submit_next_render_job(struct drm_device *dev);
1003 void vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec);
1004 int vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno,
1005 uint64_t timeout_ns, bool interruptible);
1006 void vc4_job_handle_completed(struct vc4_dev *vc4);
1007 int vc4_queue_seqno_cb(struct drm_device *dev,
1008 struct vc4_seqno_cb *cb, uint64_t seqno,
1009 void (*func)(struct vc4_seqno_cb *cb));
1010 int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data,
1011 struct drm_file *file_priv);
1014 extern struct platform_driver vc4_hdmi_driver;
1017 extern struct platform_driver vc4_vec_driver;
1020 extern struct platform_driver vc4_txp_driver;
1023 void vc4_irq_enable(struct drm_device *dev);
1024 void vc4_irq_disable(struct drm_device *dev);
1025 int vc4_irq_install(struct drm_device *dev, int irq);
1026 void vc4_irq_uninstall(struct drm_device *dev);
1027 void vc4_irq_reset(struct drm_device *dev);
1030 extern struct platform_driver vc4_hvs_driver;
1031 struct vc4_hvs *__vc4_hvs_alloc(struct vc4_dev *vc4, struct platform_device *pdev);
1032 void vc4_hvs_stop_channel(struct vc4_hvs *hvs, unsigned int output);
1033 int vc4_hvs_get_fifo_from_output(struct vc4_hvs *hvs, unsigned int output);
1034 u8 vc4_hvs_get_fifo_frame_count(struct vc4_hvs *hvs, unsigned int fifo);
1035 int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state);
1036 void vc4_hvs_atomic_begin(struct drm_crtc *crtc, struct drm_atomic_state *state);
1037 void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state);
1038 void vc4_hvs_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state);
1039 void vc4_hvs_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state);
1040 void vc4_hvs_dump_state(struct vc4_hvs *hvs);
1041 void vc4_hvs_unmask_underrun(struct vc4_hvs *hvs, int channel);
1042 void vc4_hvs_mask_underrun(struct vc4_hvs *hvs, int channel);
1043 int vc4_hvs_debugfs_init(struct drm_minor *minor);
1046 int vc4_kms_load(struct drm_device *dev);
1049 struct drm_plane *vc4_plane_init(struct drm_device *dev,
1050 enum drm_plane_type type,
1051 uint32_t possible_crtcs);
1052 int vc4_plane_create_additional_planes(struct drm_device *dev);
1053 u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist);
1054 u32 vc4_plane_dlist_size(const struct drm_plane_state *state);
1055 void vc4_plane_async_set_fb(struct drm_plane *plane,
1056 struct drm_framebuffer *fb);
1059 extern struct platform_driver vc4_v3d_driver;
1060 extern const struct of_device_id vc4_v3d_dt_match[];
1061 int vc4_v3d_get_bin_slot(struct vc4_dev *vc4);
1062 int vc4_v3d_bin_bo_get(struct vc4_dev *vc4, bool *used);
1063 void vc4_v3d_bin_bo_put(struct vc4_dev *vc4);
1064 int vc4_v3d_pm_get(struct vc4_dev *vc4);
1065 void vc4_v3d_pm_put(struct vc4_dev *vc4);
1066 int vc4_v3d_debugfs_init(struct drm_minor *minor);
1068 /* vc4_validate.c */
1070 vc4_validate_bin_cl(struct drm_device *dev,
1073 struct vc4_exec_info *exec);
1076 vc4_validate_shader_recs(struct drm_device *dev, struct vc4_exec_info *exec);
1078 struct drm_gem_dma_object *vc4_use_bo(struct vc4_exec_info *exec,
1081 int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec);
1083 bool vc4_check_tex_size(struct vc4_exec_info *exec,
1084 struct drm_gem_dma_object *fbo,
1085 uint32_t offset, uint8_t tiling_format,
1086 uint32_t width, uint32_t height, uint8_t cpp);
1088 /* vc4_validate_shader.c */
1089 struct vc4_validated_shader_info *
1090 vc4_validate_shader(struct drm_gem_dma_object *shader_obj);
1093 void vc4_perfmon_get(struct vc4_perfmon *perfmon);
1094 void vc4_perfmon_put(struct vc4_perfmon *perfmon);
1095 void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon);
1096 void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,
1098 struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id);
1099 void vc4_perfmon_open_file(struct vc4_file *vc4file);
1100 void vc4_perfmon_close_file(struct vc4_file *vc4file);
1101 int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
1102 struct drm_file *file_priv);
1103 int vc4_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
1104 struct drm_file *file_priv);
1105 int vc4_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
1106 struct drm_file *file_priv);
1108 #endif /* _VC4_DRV_H_ */