37 	struct msm_gem_submit *submit;  in submit_create()  local
38 	uint64_t sz = sizeof(*submit) + ((u64)nr_bos * sizeof(submit->bos[0])) +  in submit_create()
39 		((u64)nr_cmds * sizeof(submit->cmd[0]));  in submit_create()
44 	submit = kmalloc(sz, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY);  in submit_create()
45 	if (!submit)  in submit_create()
48 	submit->dev = dev;  in submit_create()
49 	submit->gpu = gpu;  in submit_create()
50 	submit->fence = NULL;  in submit_create()
51 	submit->pid = get_pid(task_pid(current));  in submit_create()
52 	submit->cmd = (void *)&submit->bos[nr_bos];  in submit_create()
53 	submit->queue = queue;  in submit_create()
54 	submit->ring = gpu->rb[queue->prio];  in submit_create()
57 	submit->nr_bos = 0;  in submit_create()
58 	submit->nr_cmds = 0;  in submit_create()
60 	INIT_LIST_HEAD(&submit->node);  in submit_create()
61 	INIT_LIST_HEAD(&submit->bo_list);  in submit_create()
62 	ww_acquire_init(&submit->ticket, &reservation_ww_class);  in submit_create()
64 	return submit;  in submit_create()
67 void msm_gem_submit_free(struct msm_gem_submit *submit)  in msm_gem_submit_free()  argument
69 	dma_fence_put(submit->fence);  in msm_gem_submit_free()
70 	list_del(&submit->node);  in msm_gem_submit_free()
71 	put_pid(submit->pid);  in msm_gem_submit_free()
72 	msm_submitqueue_put(submit->queue);  in msm_gem_submit_free()
74 	kfree(submit);  in msm_gem_submit_free()
85 static int submit_lookup_objects(struct msm_gem_submit *submit,  in submit_lookup_objects()  argument
104 		submit->bos[i].flags = 0;  in submit_lookup_objects()
124 		submit->bos[i].flags = submit_bo.flags;  in submit_lookup_objects()
126 		submit->bos[i].iova  = submit_bo.presumed;  in submit_lookup_objects()
149 		submit->bos[i].obj = msm_obj;  in submit_lookup_objects()
151 		list_add_tail(&msm_obj->submit_entry, &submit->bo_list);  in submit_lookup_objects()
159 	submit->nr_bos = i;  in submit_lookup_objects()
164 static void submit_unlock_unpin_bo(struct msm_gem_submit *submit,  in submit_unlock_unpin_bo()  argument
167 	struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_unlock_unpin_bo()
169 	if (submit->bos[i].flags & BO_PINNED)  in submit_unlock_unpin_bo()
170 		msm_gem_put_iova(&msm_obj->base, submit->gpu->aspace);  in submit_unlock_unpin_bo()
172 	if (submit->bos[i].flags & BO_LOCKED)  in submit_unlock_unpin_bo()
175 	if (backoff && !(submit->bos[i].flags & BO_VALID))  in submit_unlock_unpin_bo()
176 		submit->bos[i].iova = 0;  in submit_unlock_unpin_bo()
178 	submit->bos[i].flags &= ~(BO_LOCKED | BO_PINNED);  in submit_unlock_unpin_bo()
182 static int submit_lock_objects(struct msm_gem_submit *submit)  in submit_lock_objects()  argument
187 	for (i = 0; i < submit->nr_bos; i++) {  in submit_lock_objects()
188 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_lock_objects()
195 		if (!(submit->bos[i].flags & BO_LOCKED)) {  in submit_lock_objects()
197 					&submit->ticket);  in submit_lock_objects()
200 			submit->bos[i].flags |= BO_LOCKED;  in submit_lock_objects()
204 	ww_acquire_done(&submit->ticket);  in submit_lock_objects()
210 		submit_unlock_unpin_bo(submit, i, true);  in submit_lock_objects()
213 		submit_unlock_unpin_bo(submit, slow_locked, true);  in submit_lock_objects()
216 		struct msm_gem_object *msm_obj = submit->bos[contended].obj;  in submit_lock_objects()
219 				&submit->ticket);  in submit_lock_objects()
221 			submit->bos[contended].flags |= BO_LOCKED;  in submit_lock_objects()
230 static int submit_fence_sync(struct msm_gem_submit *submit, bool no_implicit)  in submit_fence_sync()  argument
234 	for (i = 0; i < submit->nr_bos; i++) {  in submit_fence_sync()
235 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_fence_sync()
236 		bool write = submit->bos[i].flags & MSM_SUBMIT_BO_WRITE;  in submit_fence_sync()
252 		ret = msm_gem_sync_object(&msm_obj->base, submit->ring->fctx,  in submit_fence_sync()
261 static int submit_pin_objects(struct msm_gem_submit *submit)  in submit_pin_objects()  argument
265 	submit->valid = true;  in submit_pin_objects()
267 	for (i = 0; i < submit->nr_bos; i++) {  in submit_pin_objects()
268 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_pin_objects()
273 				submit->gpu->aspace, &iova);  in submit_pin_objects()
278 		submit->bos[i].flags |= BO_PINNED;  in submit_pin_objects()
280 		if (iova == submit->bos[i].iova) {  in submit_pin_objects()
281 			submit->bos[i].flags |= BO_VALID;  in submit_pin_objects()
283 			submit->bos[i].iova = iova;  in submit_pin_objects()
285 			submit->bos[i].flags &= ~BO_VALID;  in submit_pin_objects()
286 			submit->valid = false;  in submit_pin_objects()
293 static int submit_bo(struct msm_gem_submit *submit, uint32_t idx,  in submit_bo()  argument
296 	if (idx >= submit->nr_bos) {  in submit_bo()
298 				idx, submit->nr_bos);  in submit_bo()
303 		*obj = submit->bos[idx].obj;  in submit_bo()
305 		*iova = submit->bos[idx].iova;  in submit_bo()
307 		*valid = !!(submit->bos[idx].flags & BO_VALID);  in submit_bo()
313 static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *obj,  in submit_reloc()  argument
366 		ret = submit_bo(submit, submit_reloc.reloc_idx, NULL, &iova, &valid);  in submit_reloc()
391 static void submit_cleanup(struct msm_gem_submit *submit)  in submit_cleanup()  argument
395 	for (i = 0; i < submit->nr_bos; i++) {  in submit_cleanup()
396 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_cleanup()
397 		submit_unlock_unpin_bo(submit, i, false);  in submit_cleanup()
402 	ww_acquire_fini(&submit->ticket);  in submit_cleanup()
411 	struct msm_gem_submit *submit;  in msm_ioctl_gem_submit()  local
474 	submit = submit_create(dev, gpu, queue, args->nr_bos, args->nr_cmds);  in msm_ioctl_gem_submit()
475 	if (!submit) {  in msm_ioctl_gem_submit()
481 		submit->in_rb = true;  in msm_ioctl_gem_submit()
483 	ret = submit_lookup_objects(submit, args, file);  in msm_ioctl_gem_submit()
487 	ret = submit_lock_objects(submit);  in msm_ioctl_gem_submit()
491 	ret = submit_fence_sync(submit, !!(args->flags & MSM_SUBMIT_NO_IMPLICIT));  in msm_ioctl_gem_submit()
495 	ret = submit_pin_objects(submit);  in msm_ioctl_gem_submit()
524 		ret = submit_bo(submit, submit_cmd.submit_idx,  in msm_ioctl_gem_submit()
544 		submit->cmd[i].type = submit_cmd.type;  in msm_ioctl_gem_submit()
545 		submit->cmd[i].size = submit_cmd.size / 4;  in msm_ioctl_gem_submit()
546 		submit->cmd[i].iova = iova + submit_cmd.submit_offset;  in msm_ioctl_gem_submit()
547 		submit->cmd[i].idx  = submit_cmd.submit_idx;  in msm_ioctl_gem_submit()
549 		if (submit->valid)  in msm_ioctl_gem_submit()
552 		ret = submit_reloc(submit, msm_obj, submit_cmd.submit_offset,  in msm_ioctl_gem_submit()
558 	submit->nr_cmds = i;  in msm_ioctl_gem_submit()
560 	submit->fence = msm_fence_alloc(ring->fctx);  in msm_ioctl_gem_submit()
561 	if (IS_ERR(submit->fence)) {  in msm_ioctl_gem_submit()
562 		ret = PTR_ERR(submit->fence);  in msm_ioctl_gem_submit()
563 		submit->fence = NULL;  in msm_ioctl_gem_submit()
568 		sync_file = sync_file_create(submit->fence);  in msm_ioctl_gem_submit()
575 	msm_gpu_submit(gpu, submit, ctx);  in msm_ioctl_gem_submit()
577 	args->fence = submit->fence->seqno;  in msm_ioctl_gem_submit()
587 	submit_cleanup(submit);  in msm_ioctl_gem_submit()
589 		msm_gem_submit_free(submit);  in msm_ioctl_gem_submit()