1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2014-2018 Broadcom
4 * Copyright (C) 2023 Raspberry Pi
5 */
6
7 #include <drm/drm_print.h>
8 #include <drm/drm_syncobj.h>
9
10 #include "v3d_drv.h"
11 #include "v3d_regs.h"
12 #include "v3d_trace.h"
13
14 /* Takes the reservation lock on all the BOs being referenced, so that
15 * we can attach fences and update the reservations after pushing the job
16 * to the queue.
17 *
18 * We don't lock the RCL the tile alloc/state BOs, or overflow memory
19 * (all of which are on render->unref_list). They're entirely private
20 * to v3d, so we don't attach dma-buf fences to them.
21 */
22 static int
v3d_lock_bo_reservations(struct v3d_job * job,struct ww_acquire_ctx * acquire_ctx)23 v3d_lock_bo_reservations(struct v3d_job *job,
24 struct ww_acquire_ctx *acquire_ctx)
25 {
26 int i, ret;
27
28 ret = drm_gem_lock_reservations(job->bo, job->bo_count, acquire_ctx);
29 if (ret)
30 return ret;
31
32 for (i = 0; i < job->bo_count; i++) {
33 ret = dma_resv_reserve_fences(job->bo[i]->resv, 1);
34 if (ret)
35 goto fail;
36
37 ret = drm_sched_job_add_implicit_dependencies(&job->base,
38 job->bo[i], true);
39 if (ret)
40 goto fail;
41 }
42
43 return 0;
44
45 fail:
46 drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
47 return ret;
48 }
49
50 /**
51 * v3d_lookup_bos() - Sets up job->bo[] with the GEM objects
52 * referenced by the job.
53 * @dev: DRM device
54 * @file_priv: DRM file for this fd
55 * @job: V3D job being set up
56 * @bo_handles: GEM handles
57 * @bo_count: Number of GEM handles passed in
58 *
59 * The command validator needs to reference BOs by their index within
60 * the submitted job's BO list. This does the validation of the job's
61 * BO list and reference counting for the lifetime of the job.
62 *
63 * Note that this function doesn't need to unreference the BOs on
64 * failure, because that will happen at `v3d_job_free()`.
65 */
66 static int
v3d_lookup_bos(struct drm_device * dev,struct drm_file * file_priv,struct v3d_job * job,u64 bo_handles,u32 bo_count)67 v3d_lookup_bos(struct drm_device *dev,
68 struct drm_file *file_priv,
69 struct v3d_job *job,
70 u64 bo_handles,
71 u32 bo_count)
72 {
73 job->bo_count = bo_count;
74
75 if (!job->bo_count) {
76 /* See comment on bo_index for why we have to check
77 * this.
78 */
79 drm_warn(dev, "Rendering requires BOs\n");
80 return -EINVAL;
81 }
82
83 return drm_gem_objects_lookup(file_priv,
84 (void __user *)(uintptr_t)bo_handles,
85 job->bo_count, &job->bo);
86 }
87
88 static void
v3d_job_free(struct kref * ref)89 v3d_job_free(struct kref *ref)
90 {
91 struct v3d_job *job = container_of(ref, struct v3d_job, refcount);
92 int i;
93
94 if (job->bo) {
95 for (i = 0; i < job->bo_count; i++)
96 drm_gem_object_put(job->bo[i]);
97 kvfree(job->bo);
98 }
99
100 dma_fence_put(job->irq_fence);
101 dma_fence_put(job->done_fence);
102
103 if (job->perfmon)
104 v3d_perfmon_put(job->perfmon);
105
106 v3d_stats_put(job->client_stats);
107 v3d_stats_put(job->global_stats);
108
109 kfree(job);
110 }
111
112 static void
v3d_render_job_free(struct kref * ref)113 v3d_render_job_free(struct kref *ref)
114 {
115 struct v3d_render_job *job = container_of(ref, struct v3d_render_job,
116 base.refcount);
117 struct v3d_bo *bo, *save;
118
119 list_for_each_entry_safe(bo, save, &job->unref_list, unref_head) {
120 drm_gem_object_put(&bo->base.base);
121 }
122
123 v3d_job_free(ref);
124 }
125
126 static void
v3d_cpu_job_free(struct kref * ref)127 v3d_cpu_job_free(struct kref *ref)
128 {
129 struct v3d_cpu_job *job = container_of(ref, struct v3d_cpu_job,
130 base.refcount);
131
132 v3d_timestamp_query_info_free(&job->timestamp_query,
133 job->timestamp_query.count);
134
135 v3d_performance_query_info_free(&job->performance_query,
136 job->performance_query.count);
137
138 if (job->indirect_csd.indirect)
139 drm_gem_object_put(job->indirect_csd.indirect);
140
141 v3d_job_free(ref);
142 }
143
v3d_job_cleanup(struct v3d_job * job)144 void v3d_job_cleanup(struct v3d_job *job)
145 {
146 if (!job)
147 return;
148
149 drm_sched_job_cleanup(&job->base);
150 v3d_job_put(job);
151 }
152
v3d_job_put(struct v3d_job * job)153 void v3d_job_put(struct v3d_job *job)
154 {
155 if (!job)
156 return;
157
158 kref_put(&job->refcount, job->free);
159 }
160
161 static int
v3d_job_allocate(struct v3d_dev * v3d,void ** container,size_t size)162 v3d_job_allocate(struct v3d_dev *v3d, void **container, size_t size)
163 {
164 *container = kcalloc(1, size, GFP_KERNEL);
165 if (!*container) {
166 drm_err(&v3d->drm, "Cannot allocate memory for V3D job.\n");
167 return -ENOMEM;
168 }
169
170 return 0;
171 }
172
173 static void
v3d_job_deallocate(void ** container)174 v3d_job_deallocate(void **container)
175 {
176 kfree(*container);
177 *container = NULL;
178 }
179
180 static int
v3d_job_init(struct v3d_dev * v3d,struct drm_file * file_priv,struct v3d_job * job,void (* free)(struct kref * ref),u32 in_sync,struct v3d_submit_ext * se,enum v3d_queue queue)181 v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
182 struct v3d_job *job, void (*free)(struct kref *ref),
183 u32 in_sync, struct v3d_submit_ext *se, enum v3d_queue queue)
184 {
185 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
186 bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
187 int ret, i;
188
189 job->v3d = v3d;
190 job->free = free;
191 job->file_priv = v3d_priv;
192
193 ret = drm_sched_job_init(&job->base, &v3d_priv->sched_entity[queue],
194 1, v3d_priv, file_priv->client_id);
195 if (ret)
196 return ret;
197
198 if (has_multisync) {
199 if (se->in_sync_count && se->wait_stage == queue) {
200 struct drm_v3d_sem __user *handle = u64_to_user_ptr(se->in_syncs);
201
202 for (i = 0; i < se->in_sync_count; i++) {
203 struct drm_v3d_sem in;
204
205 if (copy_from_user(&in, handle++, sizeof(in))) {
206 ret = -EFAULT;
207 drm_dbg(&v3d->drm, "Failed to copy wait dep handle.\n");
208 goto fail_deps;
209 }
210 ret = drm_sched_job_add_syncobj_dependency(&job->base, file_priv, in.handle, 0);
211
212 // TODO: Investigate why this was filtered out for the IOCTL.
213 if (ret && ret != -ENOENT)
214 goto fail_deps;
215 }
216 }
217 } else {
218 ret = drm_sched_job_add_syncobj_dependency(&job->base, file_priv, in_sync, 0);
219
220 // TODO: Investigate why this was filtered out for the IOCTL.
221 if (ret && ret != -ENOENT)
222 goto fail_deps;
223 }
224
225 kref_init(&job->refcount);
226
227 job->client_stats = v3d_stats_get(v3d_priv->stats[queue]);
228 job->global_stats = v3d_stats_get(v3d->queue[queue].stats);
229
230 return 0;
231
232 fail_deps:
233 drm_sched_job_cleanup(&job->base);
234 return ret;
235 }
236
237 static void
v3d_push_job(struct v3d_job * job)238 v3d_push_job(struct v3d_job *job)
239 {
240 drm_sched_job_arm(&job->base);
241
242 job->done_fence = dma_fence_get(&job->base.s_fence->finished);
243
244 /* put by scheduler job completion */
245 kref_get(&job->refcount);
246
247 drm_sched_entity_push_job(&job->base);
248 }
249
250 static void
v3d_attach_fences_and_unlock_reservation(struct drm_file * file_priv,struct v3d_job * job,struct ww_acquire_ctx * acquire_ctx,u32 out_sync,struct v3d_submit_ext * se,struct dma_fence * done_fence)251 v3d_attach_fences_and_unlock_reservation(struct drm_file *file_priv,
252 struct v3d_job *job,
253 struct ww_acquire_ctx *acquire_ctx,
254 u32 out_sync,
255 struct v3d_submit_ext *se,
256 struct dma_fence *done_fence)
257 {
258 struct drm_syncobj *sync_out;
259 bool has_multisync = se && (se->flags & DRM_V3D_EXT_ID_MULTI_SYNC);
260 int i;
261
262 for (i = 0; i < job->bo_count; i++) {
263 /* XXX: Use shared fences for read-only objects. */
264 dma_resv_add_fence(job->bo[i]->resv, job->done_fence,
265 DMA_RESV_USAGE_WRITE);
266 }
267
268 drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
269
270 /* Update the return sync object for the job */
271 /* If it only supports a single signal semaphore*/
272 if (!has_multisync) {
273 sync_out = drm_syncobj_find(file_priv, out_sync);
274 if (sync_out) {
275 drm_syncobj_replace_fence(sync_out, done_fence);
276 drm_syncobj_put(sync_out);
277 }
278 return;
279 }
280
281 /* If multiple semaphores extension is supported */
282 if (se->out_sync_count) {
283 for (i = 0; i < se->out_sync_count; i++) {
284 drm_syncobj_replace_fence(se->out_syncs[i].syncobj,
285 done_fence);
286 drm_syncobj_put(se->out_syncs[i].syncobj);
287 }
288 kvfree(se->out_syncs);
289 }
290 }
291
292 static int
v3d_setup_csd_jobs_and_bos(struct drm_file * file_priv,struct v3d_dev * v3d,struct drm_v3d_submit_csd * args,struct v3d_csd_job ** job,struct v3d_job ** clean_job,struct v3d_submit_ext * se,struct ww_acquire_ctx * acquire_ctx)293 v3d_setup_csd_jobs_and_bos(struct drm_file *file_priv,
294 struct v3d_dev *v3d,
295 struct drm_v3d_submit_csd *args,
296 struct v3d_csd_job **job,
297 struct v3d_job **clean_job,
298 struct v3d_submit_ext *se,
299 struct ww_acquire_ctx *acquire_ctx)
300 {
301 int ret;
302
303 ret = v3d_job_allocate(v3d, (void *)job, sizeof(**job));
304 if (ret)
305 return ret;
306
307 ret = v3d_job_init(v3d, file_priv, &(*job)->base,
308 v3d_job_free, args->in_sync, se, V3D_CSD);
309 if (ret) {
310 v3d_job_deallocate((void *)job);
311 return ret;
312 }
313
314 ret = v3d_job_allocate(v3d, (void *)clean_job, sizeof(**clean_job));
315 if (ret)
316 return ret;
317
318 ret = v3d_job_init(v3d, file_priv, *clean_job,
319 v3d_job_free, 0, NULL, V3D_CACHE_CLEAN);
320 if (ret) {
321 v3d_job_deallocate((void *)clean_job);
322 return ret;
323 }
324
325 (*job)->args = *args;
326
327 ret = v3d_lookup_bos(&v3d->drm, file_priv, *clean_job,
328 args->bo_handles, args->bo_handle_count);
329 if (ret)
330 return ret;
331
332 return v3d_lock_bo_reservations(*clean_job, acquire_ctx);
333 }
334
335 static void
v3d_put_multisync_post_deps(struct v3d_submit_ext * se)336 v3d_put_multisync_post_deps(struct v3d_submit_ext *se)
337 {
338 unsigned int i;
339
340 if (!(se && se->out_sync_count))
341 return;
342
343 for (i = 0; i < se->out_sync_count; i++)
344 drm_syncobj_put(se->out_syncs[i].syncobj);
345 kvfree(se->out_syncs);
346 }
347
348 static int
v3d_get_multisync_post_deps(struct drm_file * file_priv,struct v3d_submit_ext * se,u32 count,u64 handles)349 v3d_get_multisync_post_deps(struct drm_file *file_priv,
350 struct v3d_submit_ext *se,
351 u32 count, u64 handles)
352 {
353 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
354 struct v3d_dev *v3d = v3d_priv->v3d;
355 struct drm_v3d_sem __user *post_deps;
356 int i, ret;
357
358 if (!count)
359 return 0;
360
361 se->out_syncs = (struct v3d_submit_outsync *)
362 kvmalloc_objs(struct v3d_submit_outsync, count);
363 if (!se->out_syncs)
364 return -ENOMEM;
365
366 post_deps = u64_to_user_ptr(handles);
367
368 for (i = 0; i < count; i++) {
369 struct drm_v3d_sem out;
370
371 if (copy_from_user(&out, post_deps++, sizeof(out))) {
372 ret = -EFAULT;
373 drm_dbg(&v3d->drm, "Failed to copy post dep handles\n");
374 goto fail;
375 }
376
377 se->out_syncs[i].syncobj = drm_syncobj_find(file_priv,
378 out.handle);
379 if (!se->out_syncs[i].syncobj) {
380 ret = -EINVAL;
381 goto fail;
382 }
383 }
384 se->out_sync_count = count;
385
386 return 0;
387
388 fail:
389 for (i--; i >= 0; i--)
390 drm_syncobj_put(se->out_syncs[i].syncobj);
391 kvfree(se->out_syncs);
392
393 return ret;
394 }
395
396 /* Get data for multiple binary semaphores synchronization. Parse syncobj
397 * to be signaled when job completes (out_sync).
398 */
399 static int
v3d_get_multisync_submit_deps(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_submit_ext * se)400 v3d_get_multisync_submit_deps(struct drm_file *file_priv,
401 struct drm_v3d_extension __user *ext,
402 struct v3d_submit_ext *se)
403 {
404 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
405 struct v3d_dev *v3d = v3d_priv->v3d;
406 struct drm_v3d_multi_sync multisync;
407 int ret;
408
409 if (se->in_sync_count || se->out_sync_count) {
410 drm_dbg(&v3d->drm, "Two multisync extensions were added to the same job.");
411 return -EINVAL;
412 }
413
414 if (copy_from_user(&multisync, ext, sizeof(multisync)))
415 return -EFAULT;
416
417 if (multisync.pad)
418 return -EINVAL;
419
420 if (!multisync.in_sync_count && !multisync.out_sync_count) {
421 drm_dbg(&v3d->drm, "Empty multisync extension\n");
422 return -EINVAL;
423 }
424
425 ret = v3d_get_multisync_post_deps(file_priv, se, multisync.out_sync_count,
426 multisync.out_syncs);
427 if (ret)
428 return ret;
429
430 se->in_sync_count = multisync.in_sync_count;
431 se->in_syncs = multisync.in_syncs;
432 se->flags |= DRM_V3D_EXT_ID_MULTI_SYNC;
433 se->wait_stage = multisync.wait_stage;
434
435 return 0;
436 }
437
438 /* Returns false if the CPU job has an invalid configuration. */
439 static bool
v3d_validate_cpu_job(struct drm_file * file_priv,struct v3d_cpu_job * job)440 v3d_validate_cpu_job(struct drm_file *file_priv, struct v3d_cpu_job *job)
441 {
442 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
443 struct v3d_dev *v3d = v3d_priv->v3d;
444
445 if (!job) {
446 drm_dbg(&v3d->drm, "CPU job extension was attached to a GPU job.\n");
447 return false;
448 }
449
450 if (job->job_type) {
451 drm_dbg(&v3d->drm, "Two CPU job extensions were added to the same CPU job.\n");
452 return false;
453 }
454
455 return true;
456 }
457
458 /* Get data for the indirect CSD job submission. */
459 static int
v3d_get_cpu_indirect_csd_params(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_cpu_job * job)460 v3d_get_cpu_indirect_csd_params(struct drm_file *file_priv,
461 struct drm_v3d_extension __user *ext,
462 struct v3d_cpu_job *job)
463 {
464 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
465 struct v3d_dev *v3d = v3d_priv->v3d;
466 struct drm_v3d_indirect_csd indirect_csd;
467 struct v3d_indirect_csd_info *info = &job->indirect_csd;
468
469 if (!v3d_validate_cpu_job(file_priv, job))
470 return -EINVAL;
471
472 if (copy_from_user(&indirect_csd, ext, sizeof(indirect_csd)))
473 return -EFAULT;
474
475 if (!v3d_has_csd(v3d)) {
476 drm_warn(&v3d->drm, "Attempting CSD submit on non-CSD hardware.\n");
477 return -EINVAL;
478 }
479
480 job->job_type = V3D_CPU_JOB_TYPE_INDIRECT_CSD;
481 info->offset = indirect_csd.offset;
482 info->wg_size = indirect_csd.wg_size;
483 memcpy(&info->wg_uniform_offsets, &indirect_csd.wg_uniform_offsets,
484 sizeof(indirect_csd.wg_uniform_offsets));
485
486 info->indirect = drm_gem_object_lookup(file_priv, indirect_csd.indirect);
487
488 return v3d_setup_csd_jobs_and_bos(file_priv, v3d, &indirect_csd.submit,
489 &info->job, &info->clean_job,
490 NULL, &info->acquire_ctx);
491 }
492
493 /* Get data for the query timestamp job submission. */
494 static int
v3d_get_cpu_timestamp_query_params(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_cpu_job * job)495 v3d_get_cpu_timestamp_query_params(struct drm_file *file_priv,
496 struct drm_v3d_extension __user *ext,
497 struct v3d_cpu_job *job)
498 {
499 u32 __user *offsets, *syncs;
500 struct drm_v3d_timestamp_query timestamp;
501 struct v3d_timestamp_query_info *query_info = &job->timestamp_query;
502 unsigned int i;
503 int err;
504
505 if (!v3d_validate_cpu_job(file_priv, job))
506 return -EINVAL;
507
508 if (copy_from_user(×tamp, ext, sizeof(timestamp)))
509 return -EFAULT;
510
511 if (timestamp.pad)
512 return -EINVAL;
513
514 job->job_type = V3D_CPU_JOB_TYPE_TIMESTAMP_QUERY;
515
516 query_info->queries = kvmalloc_objs(struct v3d_timestamp_query,
517 timestamp.count);
518 if (!query_info->queries)
519 return -ENOMEM;
520
521 offsets = u64_to_user_ptr(timestamp.offsets);
522 syncs = u64_to_user_ptr(timestamp.syncs);
523
524 for (i = 0; i < timestamp.count; i++) {
525 u32 offset, sync;
526
527 if (get_user(offset, offsets++)) {
528 err = -EFAULT;
529 goto error;
530 }
531
532 query_info->queries[i].offset = offset;
533
534 if (get_user(sync, syncs++)) {
535 err = -EFAULT;
536 goto error;
537 }
538
539 query_info->queries[i].syncobj = drm_syncobj_find(file_priv,
540 sync);
541 if (!query_info->queries[i].syncobj) {
542 err = -ENOENT;
543 goto error;
544 }
545 }
546 query_info->count = timestamp.count;
547
548 return 0;
549
550 error:
551 v3d_timestamp_query_info_free(&job->timestamp_query, i);
552 return err;
553 }
554
555 static int
v3d_get_cpu_reset_timestamp_params(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_cpu_job * job)556 v3d_get_cpu_reset_timestamp_params(struct drm_file *file_priv,
557 struct drm_v3d_extension __user *ext,
558 struct v3d_cpu_job *job)
559 {
560 u32 __user *syncs;
561 struct drm_v3d_reset_timestamp_query reset;
562 struct v3d_timestamp_query_info *query_info = &job->timestamp_query;
563 unsigned int i;
564 int err;
565
566 if (!v3d_validate_cpu_job(file_priv, job))
567 return -EINVAL;
568
569 if (copy_from_user(&reset, ext, sizeof(reset)))
570 return -EFAULT;
571
572 job->job_type = V3D_CPU_JOB_TYPE_RESET_TIMESTAMP_QUERY;
573
574 query_info->queries = kvmalloc_objs(struct v3d_timestamp_query,
575 reset.count);
576 if (!query_info->queries)
577 return -ENOMEM;
578
579 syncs = u64_to_user_ptr(reset.syncs);
580
581 for (i = 0; i < reset.count; i++) {
582 u32 sync;
583
584 query_info->queries[i].offset = reset.offset + 8 * i;
585
586 if (get_user(sync, syncs++)) {
587 err = -EFAULT;
588 goto error;
589 }
590
591 query_info->queries[i].syncobj = drm_syncobj_find(file_priv,
592 sync);
593 if (!query_info->queries[i].syncobj) {
594 err = -ENOENT;
595 goto error;
596 }
597 }
598 query_info->count = reset.count;
599
600 return 0;
601
602 error:
603 v3d_timestamp_query_info_free(&job->timestamp_query, i);
604 return err;
605 }
606
607 /* Get data for the copy timestamp query results job submission. */
608 static int
v3d_get_cpu_copy_query_results_params(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_cpu_job * job)609 v3d_get_cpu_copy_query_results_params(struct drm_file *file_priv,
610 struct drm_v3d_extension __user *ext,
611 struct v3d_cpu_job *job)
612 {
613 u32 __user *offsets, *syncs;
614 struct drm_v3d_copy_timestamp_query copy;
615 struct v3d_timestamp_query_info *query_info = &job->timestamp_query;
616 unsigned int i;
617 int err;
618
619 if (!v3d_validate_cpu_job(file_priv, job))
620 return -EINVAL;
621
622 if (copy_from_user(©, ext, sizeof(copy)))
623 return -EFAULT;
624
625 if (copy.pad)
626 return -EINVAL;
627
628 job->job_type = V3D_CPU_JOB_TYPE_COPY_TIMESTAMP_QUERY;
629
630 query_info->queries = kvmalloc_objs(struct v3d_timestamp_query,
631 copy.count);
632 if (!query_info->queries)
633 return -ENOMEM;
634
635 offsets = u64_to_user_ptr(copy.offsets);
636 syncs = u64_to_user_ptr(copy.syncs);
637
638 for (i = 0; i < copy.count; i++) {
639 u32 offset, sync;
640
641 if (get_user(offset, offsets++)) {
642 err = -EFAULT;
643 goto error;
644 }
645
646 query_info->queries[i].offset = offset;
647
648 if (get_user(sync, syncs++)) {
649 err = -EFAULT;
650 goto error;
651 }
652
653 query_info->queries[i].syncobj = drm_syncobj_find(file_priv,
654 sync);
655 if (!query_info->queries[i].syncobj) {
656 err = -ENOENT;
657 goto error;
658 }
659 }
660 query_info->count = copy.count;
661
662 job->copy.do_64bit = copy.do_64bit;
663 job->copy.do_partial = copy.do_partial;
664 job->copy.availability_bit = copy.availability_bit;
665 job->copy.offset = copy.offset;
666 job->copy.stride = copy.stride;
667
668 return 0;
669
670 error:
671 v3d_timestamp_query_info_free(&job->timestamp_query, i);
672 return err;
673 }
674
675 static int
v3d_copy_query_info(struct v3d_performance_query_info * query_info,unsigned int count,unsigned int nperfmons,u32 __user * syncs,u64 __user * kperfmon_ids,struct drm_file * file_priv)676 v3d_copy_query_info(struct v3d_performance_query_info *query_info,
677 unsigned int count,
678 unsigned int nperfmons,
679 u32 __user *syncs,
680 u64 __user *kperfmon_ids,
681 struct drm_file *file_priv)
682 {
683 unsigned int i, j;
684 int err;
685
686 for (i = 0; i < count; i++) {
687 struct v3d_performance_query *query = &query_info->queries[i];
688 u32 __user *ids_pointer;
689 u32 sync, id;
690 u64 ids;
691
692 if (get_user(sync, syncs++)) {
693 err = -EFAULT;
694 goto error;
695 }
696
697 if (get_user(ids, kperfmon_ids++)) {
698 err = -EFAULT;
699 goto error;
700 }
701
702 query->kperfmon_ids =
703 kvmalloc_array(nperfmons,
704 sizeof(struct v3d_performance_query *),
705 GFP_KERNEL);
706 if (!query->kperfmon_ids) {
707 err = -ENOMEM;
708 goto error;
709 }
710
711 ids_pointer = u64_to_user_ptr(ids);
712
713 for (j = 0; j < nperfmons; j++) {
714 if (get_user(id, ids_pointer++)) {
715 kvfree(query->kperfmon_ids);
716 err = -EFAULT;
717 goto error;
718 }
719
720 query->kperfmon_ids[j] = id;
721 }
722
723 query->syncobj = drm_syncobj_find(file_priv, sync);
724 if (!query->syncobj) {
725 kvfree(query->kperfmon_ids);
726 err = -ENOENT;
727 goto error;
728 }
729 }
730
731 return 0;
732
733 error:
734 v3d_performance_query_info_free(query_info, i);
735 return err;
736 }
737
738 static int
v3d_get_cpu_reset_performance_params(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_cpu_job * job)739 v3d_get_cpu_reset_performance_params(struct drm_file *file_priv,
740 struct drm_v3d_extension __user *ext,
741 struct v3d_cpu_job *job)
742 {
743 struct v3d_performance_query_info *query_info = &job->performance_query;
744 struct drm_v3d_reset_performance_query reset;
745 int err;
746
747 if (!v3d_validate_cpu_job(file_priv, job))
748 return -EINVAL;
749
750 if (copy_from_user(&reset, ext, sizeof(reset)))
751 return -EFAULT;
752
753 job->job_type = V3D_CPU_JOB_TYPE_RESET_PERFORMANCE_QUERY;
754
755 query_info->queries =
756 kvmalloc_objs(struct v3d_performance_query, reset.count);
757 if (!query_info->queries)
758 return -ENOMEM;
759
760 err = v3d_copy_query_info(query_info,
761 reset.count,
762 reset.nperfmons,
763 u64_to_user_ptr(reset.syncs),
764 u64_to_user_ptr(reset.kperfmon_ids),
765 file_priv);
766 if (err)
767 return err;
768
769 query_info->count = reset.count;
770 query_info->nperfmons = reset.nperfmons;
771
772 return 0;
773 }
774
775 static int
v3d_get_cpu_copy_performance_query_params(struct drm_file * file_priv,struct drm_v3d_extension __user * ext,struct v3d_cpu_job * job)776 v3d_get_cpu_copy_performance_query_params(struct drm_file *file_priv,
777 struct drm_v3d_extension __user *ext,
778 struct v3d_cpu_job *job)
779 {
780 struct v3d_performance_query_info *query_info = &job->performance_query;
781 struct drm_v3d_copy_performance_query copy;
782 int err;
783
784 if (!v3d_validate_cpu_job(file_priv, job))
785 return -EINVAL;
786
787 if (copy_from_user(©, ext, sizeof(copy)))
788 return -EFAULT;
789
790 if (copy.pad)
791 return -EINVAL;
792
793 job->job_type = V3D_CPU_JOB_TYPE_COPY_PERFORMANCE_QUERY;
794
795 query_info->queries =
796 kvmalloc_objs(struct v3d_performance_query, copy.count);
797 if (!query_info->queries)
798 return -ENOMEM;
799
800 err = v3d_copy_query_info(query_info,
801 copy.count,
802 copy.nperfmons,
803 u64_to_user_ptr(copy.syncs),
804 u64_to_user_ptr(copy.kperfmon_ids),
805 file_priv);
806 if (err)
807 return err;
808
809 query_info->count = copy.count;
810 query_info->nperfmons = copy.nperfmons;
811 query_info->ncounters = copy.ncounters;
812
813 job->copy.do_64bit = copy.do_64bit;
814 job->copy.do_partial = copy.do_partial;
815 job->copy.availability_bit = copy.availability_bit;
816 job->copy.offset = copy.offset;
817 job->copy.stride = copy.stride;
818
819 return 0;
820 }
821
822 /* Whenever userspace sets ioctl extensions, v3d_get_extensions parses data
823 * according to the extension id (name).
824 */
825 static int
v3d_get_extensions(struct drm_file * file_priv,u64 ext_handles,struct v3d_submit_ext * se,struct v3d_cpu_job * job)826 v3d_get_extensions(struct drm_file *file_priv,
827 u64 ext_handles,
828 struct v3d_submit_ext *se,
829 struct v3d_cpu_job *job)
830 {
831 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
832 struct v3d_dev *v3d = v3d_priv->v3d;
833 struct drm_v3d_extension __user *user_ext;
834 int ret;
835
836 user_ext = u64_to_user_ptr(ext_handles);
837 while (user_ext) {
838 struct drm_v3d_extension ext;
839
840 if (copy_from_user(&ext, user_ext, sizeof(ext))) {
841 drm_dbg(&v3d->drm, "Failed to copy submit extension\n");
842 return -EFAULT;
843 }
844
845 switch (ext.id) {
846 case DRM_V3D_EXT_ID_MULTI_SYNC:
847 ret = v3d_get_multisync_submit_deps(file_priv, user_ext, se);
848 break;
849 case DRM_V3D_EXT_ID_CPU_INDIRECT_CSD:
850 ret = v3d_get_cpu_indirect_csd_params(file_priv, user_ext, job);
851 break;
852 case DRM_V3D_EXT_ID_CPU_TIMESTAMP_QUERY:
853 ret = v3d_get_cpu_timestamp_query_params(file_priv, user_ext, job);
854 break;
855 case DRM_V3D_EXT_ID_CPU_RESET_TIMESTAMP_QUERY:
856 ret = v3d_get_cpu_reset_timestamp_params(file_priv, user_ext, job);
857 break;
858 case DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY:
859 ret = v3d_get_cpu_copy_query_results_params(file_priv, user_ext, job);
860 break;
861 case DRM_V3D_EXT_ID_CPU_RESET_PERFORMANCE_QUERY:
862 ret = v3d_get_cpu_reset_performance_params(file_priv, user_ext, job);
863 break;
864 case DRM_V3D_EXT_ID_CPU_COPY_PERFORMANCE_QUERY:
865 ret = v3d_get_cpu_copy_performance_query_params(file_priv, user_ext, job);
866 break;
867 default:
868 drm_dbg(&v3d->drm, "Unknown V3D extension ID: %d\n", ext.id);
869 return -EINVAL;
870 }
871
872 if (ret)
873 return ret;
874
875 user_ext = u64_to_user_ptr(ext.next);
876 }
877
878 return 0;
879 }
880
881 /**
882 * v3d_submit_cl_ioctl() - Submits a job (frame) to the V3D.
883 * @dev: DRM device
884 * @data: ioctl argument
885 * @file_priv: DRM file for this fd
886 *
887 * This is the main entrypoint for userspace to submit a 3D frame to
888 * the GPU. Userspace provides the binner command list (if
889 * applicable), and the kernel sets up the render command list to draw
890 * to the framebuffer described in the ioctl, using the command lists
891 * that the 3D engine's binner will produce.
892 */
893 int
v3d_submit_cl_ioctl(struct drm_device * dev,void * data,struct drm_file * file_priv)894 v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
895 struct drm_file *file_priv)
896 {
897 struct v3d_dev *v3d = to_v3d_dev(dev);
898 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
899 struct drm_v3d_submit_cl *args = data;
900 struct v3d_submit_ext se = {0};
901 struct v3d_bin_job *bin = NULL;
902 struct v3d_render_job *render = NULL;
903 struct v3d_job *clean_job = NULL;
904 struct v3d_job *last_job;
905 struct ww_acquire_ctx acquire_ctx;
906 int ret = 0;
907
908 trace_v3d_submit_cl_ioctl(&v3d->drm, args->rcl_start, args->rcl_end);
909
910 if (args->pad)
911 return -EINVAL;
912
913 if (args->flags &&
914 args->flags & ~(DRM_V3D_SUBMIT_CL_FLUSH_CACHE |
915 DRM_V3D_SUBMIT_EXTENSION)) {
916 drm_dbg(dev, "invalid flags: %d\n", args->flags);
917 return -EINVAL;
918 }
919
920 if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
921 ret = v3d_get_extensions(file_priv, args->extensions, &se, NULL);
922 if (ret) {
923 drm_dbg(dev, "Failed to get extensions.\n");
924 return ret;
925 }
926 }
927
928 ret = v3d_job_allocate(v3d, (void *)&render, sizeof(*render));
929 if (ret)
930 return ret;
931
932 ret = v3d_job_init(v3d, file_priv, &render->base,
933 v3d_render_job_free, args->in_sync_rcl, &se, V3D_RENDER);
934 if (ret) {
935 v3d_job_deallocate((void *)&render);
936 goto fail;
937 }
938
939 render->start = args->rcl_start;
940 render->end = args->rcl_end;
941 INIT_LIST_HEAD(&render->unref_list);
942
943 if (args->bcl_start != args->bcl_end) {
944 ret = v3d_job_allocate(v3d, (void *)&bin, sizeof(*bin));
945 if (ret)
946 goto fail;
947
948 ret = v3d_job_init(v3d, file_priv, &bin->base,
949 v3d_job_free, args->in_sync_bcl, &se, V3D_BIN);
950 if (ret) {
951 v3d_job_deallocate((void *)&bin);
952 goto fail;
953 }
954
955 bin->start = args->bcl_start;
956 bin->end = args->bcl_end;
957 bin->qma = args->qma;
958 bin->qms = args->qms;
959 bin->qts = args->qts;
960 bin->render = render;
961 }
962
963 if (args->flags & DRM_V3D_SUBMIT_CL_FLUSH_CACHE) {
964 ret = v3d_job_allocate(v3d, (void *)&clean_job, sizeof(*clean_job));
965 if (ret)
966 goto fail;
967
968 ret = v3d_job_init(v3d, file_priv, clean_job,
969 v3d_job_free, 0, NULL, V3D_CACHE_CLEAN);
970 if (ret) {
971 v3d_job_deallocate((void *)&clean_job);
972 goto fail;
973 }
974
975 last_job = clean_job;
976 } else {
977 last_job = &render->base;
978 }
979
980 ret = v3d_lookup_bos(dev, file_priv, last_job,
981 args->bo_handles, args->bo_handle_count);
982 if (ret)
983 goto fail;
984
985 ret = v3d_lock_bo_reservations(last_job, &acquire_ctx);
986 if (ret)
987 goto fail;
988
989 if (args->perfmon_id) {
990 if (v3d->global_perfmon) {
991 ret = -EAGAIN;
992 goto fail_perfmon;
993 }
994
995 render->base.perfmon = v3d_perfmon_find(v3d_priv,
996 args->perfmon_id);
997
998 if (!render->base.perfmon) {
999 ret = -ENOENT;
1000 goto fail_perfmon;
1001 }
1002 }
1003
1004 mutex_lock(&v3d->sched_lock);
1005 if (bin) {
1006 bin->base.perfmon = render->base.perfmon;
1007 v3d_perfmon_get(bin->base.perfmon);
1008 v3d_push_job(&bin->base);
1009
1010 ret = drm_sched_job_add_dependency(&render->base.base,
1011 dma_fence_get(bin->base.done_fence));
1012 if (ret)
1013 goto fail_unreserve;
1014 }
1015
1016 v3d_push_job(&render->base);
1017
1018 if (clean_job) {
1019 struct dma_fence *render_fence =
1020 dma_fence_get(render->base.done_fence);
1021 ret = drm_sched_job_add_dependency(&clean_job->base,
1022 render_fence);
1023 if (ret)
1024 goto fail_unreserve;
1025 clean_job->perfmon = render->base.perfmon;
1026 v3d_perfmon_get(clean_job->perfmon);
1027 v3d_push_job(clean_job);
1028 }
1029
1030 mutex_unlock(&v3d->sched_lock);
1031
1032 v3d_attach_fences_and_unlock_reservation(file_priv,
1033 last_job,
1034 &acquire_ctx,
1035 args->out_sync,
1036 &se,
1037 last_job->done_fence);
1038
1039 v3d_job_put(&bin->base);
1040 v3d_job_put(&render->base);
1041 v3d_job_put(clean_job);
1042
1043 return 0;
1044
1045 fail_unreserve:
1046 mutex_unlock(&v3d->sched_lock);
1047 fail_perfmon:
1048 drm_gem_unlock_reservations(last_job->bo,
1049 last_job->bo_count, &acquire_ctx);
1050 fail:
1051 v3d_job_cleanup((void *)bin);
1052 v3d_job_cleanup((void *)render);
1053 v3d_job_cleanup(clean_job);
1054 v3d_put_multisync_post_deps(&se);
1055
1056 return ret;
1057 }
1058
1059 /**
1060 * v3d_submit_tfu_ioctl() - Submits a TFU (texture formatting) job to the V3D.
1061 * @dev: DRM device
1062 * @data: ioctl argument
1063 * @file_priv: DRM file for this fd
1064 *
1065 * Userspace provides the register setup for the TFU, which we don't
1066 * need to validate since the TFU is behind the MMU.
1067 */
1068 int
v3d_submit_tfu_ioctl(struct drm_device * dev,void * data,struct drm_file * file_priv)1069 v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
1070 struct drm_file *file_priv)
1071 {
1072 struct v3d_dev *v3d = to_v3d_dev(dev);
1073 struct drm_v3d_submit_tfu *args = data;
1074 struct v3d_submit_ext se = {0};
1075 struct v3d_tfu_job *job = NULL;
1076 struct ww_acquire_ctx acquire_ctx;
1077 int ret = 0;
1078
1079 trace_v3d_submit_tfu_ioctl(&v3d->drm, args->iia);
1080
1081 if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
1082 drm_dbg(dev, "invalid flags: %d\n", args->flags);
1083 return -EINVAL;
1084 }
1085
1086 if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
1087 ret = v3d_get_extensions(file_priv, args->extensions, &se, NULL);
1088 if (ret) {
1089 drm_dbg(dev, "Failed to get extensions.\n");
1090 return ret;
1091 }
1092 }
1093
1094 ret = v3d_job_allocate(v3d, (void *)&job, sizeof(*job));
1095 if (ret)
1096 return ret;
1097
1098 ret = v3d_job_init(v3d, file_priv, &job->base,
1099 v3d_job_free, args->in_sync, &se, V3D_TFU);
1100 if (ret) {
1101 v3d_job_deallocate((void *)&job);
1102 goto fail;
1103 }
1104
1105 job->base.bo = kzalloc_objs(*job->base.bo, ARRAY_SIZE(args->bo_handles));
1106 if (!job->base.bo) {
1107 ret = -ENOMEM;
1108 goto fail;
1109 }
1110
1111 job->args = *args;
1112
1113 for (job->base.bo_count = 0;
1114 job->base.bo_count < ARRAY_SIZE(args->bo_handles);
1115 job->base.bo_count++) {
1116 struct drm_gem_object *bo;
1117
1118 if (!args->bo_handles[job->base.bo_count])
1119 break;
1120
1121 bo = drm_gem_object_lookup(file_priv, args->bo_handles[job->base.bo_count]);
1122 if (!bo) {
1123 drm_dbg(dev, "Failed to look up GEM BO %d: %d\n",
1124 job->base.bo_count,
1125 args->bo_handles[job->base.bo_count]);
1126 ret = -ENOENT;
1127 goto fail;
1128 }
1129 job->base.bo[job->base.bo_count] = bo;
1130 }
1131
1132 ret = v3d_lock_bo_reservations(&job->base, &acquire_ctx);
1133 if (ret)
1134 goto fail;
1135
1136 mutex_lock(&v3d->sched_lock);
1137 v3d_push_job(&job->base);
1138 mutex_unlock(&v3d->sched_lock);
1139
1140 v3d_attach_fences_and_unlock_reservation(file_priv,
1141 &job->base, &acquire_ctx,
1142 args->out_sync,
1143 &se,
1144 job->base.done_fence);
1145
1146 v3d_job_put(&job->base);
1147
1148 return 0;
1149
1150 fail:
1151 v3d_job_cleanup((void *)job);
1152 v3d_put_multisync_post_deps(&se);
1153
1154 return ret;
1155 }
1156
1157 /**
1158 * v3d_submit_csd_ioctl() - Submits a CSD (compute shader) job to the V3D.
1159 * @dev: DRM device
1160 * @data: ioctl argument
1161 * @file_priv: DRM file for this fd
1162 *
1163 * Userspace provides the register setup for the CSD, which we don't
1164 * need to validate since the CSD is behind the MMU.
1165 */
1166 int
v3d_submit_csd_ioctl(struct drm_device * dev,void * data,struct drm_file * file_priv)1167 v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
1168 struct drm_file *file_priv)
1169 {
1170 struct v3d_dev *v3d = to_v3d_dev(dev);
1171 struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
1172 struct drm_v3d_submit_csd *args = data;
1173 struct v3d_submit_ext se = {0};
1174 struct v3d_csd_job *job = NULL;
1175 struct v3d_job *clean_job = NULL;
1176 struct ww_acquire_ctx acquire_ctx;
1177 int ret;
1178
1179 trace_v3d_submit_csd_ioctl(&v3d->drm, args->cfg[5], args->cfg[6]);
1180
1181 if (args->pad)
1182 return -EINVAL;
1183
1184 if (!v3d_has_csd(v3d)) {
1185 drm_warn(dev, "Attempting CSD submit on non-CSD hardware\n");
1186 return -EINVAL;
1187 }
1188
1189 if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
1190 drm_dbg(dev, "invalid flags: %d\n", args->flags);
1191 return -EINVAL;
1192 }
1193
1194 if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
1195 ret = v3d_get_extensions(file_priv, args->extensions, &se, NULL);
1196 if (ret) {
1197 drm_dbg(dev, "Failed to get extensions.\n");
1198 return ret;
1199 }
1200 }
1201
1202 ret = v3d_setup_csd_jobs_and_bos(file_priv, v3d, args,
1203 &job, &clean_job, &se,
1204 &acquire_ctx);
1205 if (ret)
1206 goto fail;
1207
1208 if (args->perfmon_id) {
1209 if (v3d->global_perfmon) {
1210 ret = -EAGAIN;
1211 goto fail_perfmon;
1212 }
1213
1214 job->base.perfmon = v3d_perfmon_find(v3d_priv,
1215 args->perfmon_id);
1216 if (!job->base.perfmon) {
1217 ret = -ENOENT;
1218 goto fail_perfmon;
1219 }
1220 }
1221
1222 mutex_lock(&v3d->sched_lock);
1223 v3d_push_job(&job->base);
1224
1225 ret = drm_sched_job_add_dependency(&clean_job->base,
1226 dma_fence_get(job->base.done_fence));
1227 if (ret)
1228 goto fail_unreserve;
1229
1230 v3d_push_job(clean_job);
1231 mutex_unlock(&v3d->sched_lock);
1232
1233 v3d_attach_fences_and_unlock_reservation(file_priv,
1234 clean_job,
1235 &acquire_ctx,
1236 args->out_sync,
1237 &se,
1238 clean_job->done_fence);
1239
1240 v3d_job_put(&job->base);
1241 v3d_job_put(clean_job);
1242
1243 return 0;
1244
1245 fail_unreserve:
1246 mutex_unlock(&v3d->sched_lock);
1247 fail_perfmon:
1248 drm_gem_unlock_reservations(clean_job->bo, clean_job->bo_count,
1249 &acquire_ctx);
1250 fail:
1251 v3d_job_cleanup((void *)job);
1252 v3d_job_cleanup(clean_job);
1253 v3d_put_multisync_post_deps(&se);
1254
1255 return ret;
1256 }
1257
1258 static const unsigned int cpu_job_bo_handle_count[] = {
1259 [V3D_CPU_JOB_TYPE_INDIRECT_CSD] = 1,
1260 [V3D_CPU_JOB_TYPE_TIMESTAMP_QUERY] = 1,
1261 [V3D_CPU_JOB_TYPE_RESET_TIMESTAMP_QUERY] = 1,
1262 [V3D_CPU_JOB_TYPE_COPY_TIMESTAMP_QUERY] = 2,
1263 [V3D_CPU_JOB_TYPE_RESET_PERFORMANCE_QUERY] = 0,
1264 [V3D_CPU_JOB_TYPE_COPY_PERFORMANCE_QUERY] = 1,
1265 };
1266
1267 /**
1268 * v3d_submit_cpu_ioctl() - Submits a CPU job to the V3D.
1269 * @dev: DRM device
1270 * @data: ioctl argument
1271 * @file_priv: DRM file for this fd
1272 *
1273 * Userspace specifies the CPU job type and data required to perform its
1274 * operations through the drm_v3d_extension struct.
1275 */
1276 int
v3d_submit_cpu_ioctl(struct drm_device * dev,void * data,struct drm_file * file_priv)1277 v3d_submit_cpu_ioctl(struct drm_device *dev, void *data,
1278 struct drm_file *file_priv)
1279 {
1280 struct v3d_dev *v3d = to_v3d_dev(dev);
1281 struct drm_v3d_submit_cpu *args = data;
1282 struct v3d_submit_ext se = {0};
1283 struct v3d_submit_ext *out_se = NULL;
1284 struct v3d_cpu_job *cpu_job = NULL;
1285 struct v3d_csd_job *csd_job = NULL;
1286 struct v3d_job *clean_job = NULL;
1287 struct ww_acquire_ctx acquire_ctx;
1288 int ret;
1289
1290 if (args->flags && !(args->flags & DRM_V3D_SUBMIT_EXTENSION)) {
1291 drm_dbg(dev, "Invalid flags: %d\n", args->flags);
1292 return -EINVAL;
1293 }
1294
1295 ret = v3d_job_allocate(v3d, (void *)&cpu_job, sizeof(*cpu_job));
1296 if (ret)
1297 return ret;
1298
1299 if (args->flags & DRM_V3D_SUBMIT_EXTENSION) {
1300 ret = v3d_get_extensions(file_priv, args->extensions, &se, cpu_job);
1301 if (ret) {
1302 drm_dbg(dev, "Failed to get extensions.\n");
1303 goto fail;
1304 }
1305 }
1306
1307 /* Every CPU job must have a CPU job user extension */
1308 if (!cpu_job->job_type) {
1309 drm_dbg(dev, "CPU job must have a CPU job user extension.\n");
1310 ret = -EINVAL;
1311 goto fail;
1312 }
1313
1314 if (args->bo_handle_count != cpu_job_bo_handle_count[cpu_job->job_type]) {
1315 drm_dbg(dev, "This CPU job was not submitted with the proper number of BOs.\n");
1316 ret = -EINVAL;
1317 goto fail;
1318 }
1319
1320 trace_v3d_submit_cpu_ioctl(&v3d->drm, cpu_job->job_type);
1321
1322 ret = v3d_job_init(v3d, file_priv, &cpu_job->base,
1323 v3d_cpu_job_free, 0, &se, V3D_CPU);
1324 if (ret) {
1325 v3d_job_deallocate((void *)&cpu_job);
1326 goto fail;
1327 }
1328
1329 clean_job = cpu_job->indirect_csd.clean_job;
1330 csd_job = cpu_job->indirect_csd.job;
1331
1332 if (args->bo_handle_count) {
1333 ret = v3d_lookup_bos(dev, file_priv, &cpu_job->base,
1334 args->bo_handles, args->bo_handle_count);
1335 if (ret)
1336 goto fail;
1337
1338 ret = v3d_lock_bo_reservations(&cpu_job->base, &acquire_ctx);
1339 if (ret)
1340 goto fail;
1341 }
1342
1343 mutex_lock(&v3d->sched_lock);
1344 v3d_push_job(&cpu_job->base);
1345
1346 switch (cpu_job->job_type) {
1347 case V3D_CPU_JOB_TYPE_INDIRECT_CSD:
1348 ret = drm_sched_job_add_dependency(&csd_job->base.base,
1349 dma_fence_get(cpu_job->base.done_fence));
1350 if (ret)
1351 goto fail_unreserve;
1352
1353 v3d_push_job(&csd_job->base);
1354
1355 ret = drm_sched_job_add_dependency(&clean_job->base,
1356 dma_fence_get(csd_job->base.done_fence));
1357 if (ret)
1358 goto fail_unreserve;
1359
1360 v3d_push_job(clean_job);
1361
1362 break;
1363 default:
1364 break;
1365 }
1366 mutex_unlock(&v3d->sched_lock);
1367
1368 out_se = (cpu_job->job_type == V3D_CPU_JOB_TYPE_INDIRECT_CSD) ? NULL : &se;
1369
1370 v3d_attach_fences_and_unlock_reservation(file_priv,
1371 &cpu_job->base,
1372 &acquire_ctx, 0,
1373 out_se, cpu_job->base.done_fence);
1374
1375 switch (cpu_job->job_type) {
1376 case V3D_CPU_JOB_TYPE_INDIRECT_CSD:
1377 v3d_attach_fences_and_unlock_reservation(file_priv,
1378 clean_job,
1379 &cpu_job->indirect_csd.acquire_ctx,
1380 0, &se, clean_job->done_fence);
1381 break;
1382 default:
1383 break;
1384 }
1385
1386 v3d_job_put(&cpu_job->base);
1387 v3d_job_put(&csd_job->base);
1388 v3d_job_put(clean_job);
1389
1390 return 0;
1391
1392 fail_unreserve:
1393 mutex_unlock(&v3d->sched_lock);
1394
1395 drm_gem_unlock_reservations(cpu_job->base.bo, cpu_job->base.bo_count,
1396 &acquire_ctx);
1397
1398 drm_gem_unlock_reservations(clean_job->bo, clean_job->bo_count,
1399 &cpu_job->indirect_csd.acquire_ctx);
1400
1401 fail:
1402 v3d_job_cleanup((void *)cpu_job);
1403 v3d_job_cleanup((void *)csd_job);
1404 v3d_job_cleanup(clean_job);
1405 v3d_put_multisync_post_deps(&se);
1406
1407 return ret;
1408 }
1409