32 	struct msm_gem_submit *submit;  in submit_create()  local
33 	uint64_t sz = struct_size(submit, bos, nr_bos) +  in submit_create()
34 				  ((u64)nr_cmds * sizeof(submit->cmd[0]));  in submit_create()
39 	submit = kmalloc(sz, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY);  in submit_create()
40 	if (!submit)  in submit_create()
43 	submit->dev = dev;  in submit_create()
44 	submit->aspace = aspace;  in submit_create()
45 	submit->gpu = gpu;  in submit_create()
46 	submit->fence = NULL;  in submit_create()
47 	submit->cmd = (void *)&submit->bos[nr_bos];  in submit_create()
48 	submit->queue = queue;  in submit_create()
49 	submit->ring = gpu->rb[queue->prio];  in submit_create()
52 	submit->nr_bos = 0;  in submit_create()
53 	submit->nr_cmds = 0;  in submit_create()
55 	INIT_LIST_HEAD(&submit->node);  in submit_create()
56 	INIT_LIST_HEAD(&submit->bo_list);  in submit_create()
57 	ww_acquire_init(&submit->ticket, &reservation_ww_class);  in submit_create()
59 	return submit;  in submit_create()
62 void msm_gem_submit_free(struct msm_gem_submit *submit)  in msm_gem_submit_free()  argument
64 	dma_fence_put(submit->fence);  in msm_gem_submit_free()
65 	list_del(&submit->node);  in msm_gem_submit_free()
66 	put_pid(submit->pid);  in msm_gem_submit_free()
67 	msm_submitqueue_put(submit->queue);  in msm_gem_submit_free()
69 	kfree(submit);  in msm_gem_submit_free()
72 static int submit_lookup_objects(struct msm_gem_submit *submit,  in submit_lookup_objects()  argument
86 		submit->bos[i].flags = 0;  in submit_lookup_objects()
105 		submit->bos[i].handle = submit_bo.handle;  in submit_lookup_objects()
106 		submit->bos[i].flags = submit_bo.flags;  in submit_lookup_objects()
108 		submit->bos[i].iova  = submit_bo.presumed;  in submit_lookup_objects()
120 		obj = idr_find(&file->object_idr, submit->bos[i].handle);  in submit_lookup_objects()
122 			DRM_ERROR("invalid handle %u at index %u\n", submit->bos[i].handle, i);  in submit_lookup_objects()
131 					submit->bos[i].handle, i);  in submit_lookup_objects()
138 		submit->bos[i].obj = msm_obj;  in submit_lookup_objects()
140 		list_add_tail(&msm_obj->submit_entry, &submit->bo_list);  in submit_lookup_objects()
147 	submit->nr_bos = i;  in submit_lookup_objects()
152 static void submit_unlock_unpin_bo(struct msm_gem_submit *submit,  in submit_unlock_unpin_bo()  argument
155 	struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_unlock_unpin_bo()
157 	if (submit->bos[i].flags & BO_PINNED)  in submit_unlock_unpin_bo()
158 		msm_gem_unpin_iova(&msm_obj->base, submit->aspace);  in submit_unlock_unpin_bo()
160 	if (submit->bos[i].flags & BO_LOCKED)  in submit_unlock_unpin_bo()
163 	if (backoff && !(submit->bos[i].flags & BO_VALID))  in submit_unlock_unpin_bo()
164 		submit->bos[i].iova = 0;  in submit_unlock_unpin_bo()
166 	submit->bos[i].flags &= ~(BO_LOCKED | BO_PINNED);  in submit_unlock_unpin_bo()
170 static int submit_lock_objects(struct msm_gem_submit *submit)  in submit_lock_objects()  argument
175 	for (i = 0; i < submit->nr_bos; i++) {  in submit_lock_objects()
176 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_lock_objects()
183 		if (!(submit->bos[i].flags & BO_LOCKED)) {  in submit_lock_objects()
185 					&submit->ticket);  in submit_lock_objects()
188 			submit->bos[i].flags |= BO_LOCKED;  in submit_lock_objects()
192 	ww_acquire_done(&submit->ticket);  in submit_lock_objects()
198 		submit_unlock_unpin_bo(submit, i, true);  in submit_lock_objects()
201 		submit_unlock_unpin_bo(submit, slow_locked, true);  in submit_lock_objects()
204 		struct msm_gem_object *msm_obj = submit->bos[contended].obj;  in submit_lock_objects()
207 				&submit->ticket);  in submit_lock_objects()
209 			submit->bos[contended].flags |= BO_LOCKED;  in submit_lock_objects()
218 static int submit_fence_sync(struct msm_gem_submit *submit, bool no_implicit)  in submit_fence_sync()  argument
222 	for (i = 0; i < submit->nr_bos; i++) {  in submit_fence_sync()
223 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_fence_sync()
224 		bool write = submit->bos[i].flags & MSM_SUBMIT_BO_WRITE;  in submit_fence_sync()
241 		ret = msm_gem_sync_object(&msm_obj->base, submit->ring->fctx,  in submit_fence_sync()
250 static int submit_pin_objects(struct msm_gem_submit *submit)  in submit_pin_objects()  argument
254 	submit->valid = true;  in submit_pin_objects()
256 	for (i = 0; i < submit->nr_bos; i++) {  in submit_pin_objects()
257 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_pin_objects()
262 				submit->aspace, &iova);  in submit_pin_objects()
267 		submit->bos[i].flags |= BO_PINNED;  in submit_pin_objects()
269 		if (iova == submit->bos[i].iova) {  in submit_pin_objects()
270 			submit->bos[i].flags |= BO_VALID;  in submit_pin_objects()
272 			submit->bos[i].iova = iova;  in submit_pin_objects()
274 			submit->bos[i].flags &= ~BO_VALID;  in submit_pin_objects()
275 			submit->valid = false;  in submit_pin_objects()
282 static int submit_bo(struct msm_gem_submit *submit, uint32_t idx,  in submit_bo()  argument
285 	if (idx >= submit->nr_bos) {  in submit_bo()
287 				idx, submit->nr_bos);  in submit_bo()
292 		*obj = submit->bos[idx].obj;  in submit_bo()
294 		*iova = submit->bos[idx].iova;  in submit_bo()
296 		*valid = !!(submit->bos[idx].flags & BO_VALID);  in submit_bo()
302 static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *obj,  in submit_reloc()  argument
358 		ret = submit_bo(submit, submit_reloc.reloc_idx, NULL, &iova, &valid);  in submit_reloc()
383 static void submit_cleanup(struct msm_gem_submit *submit)  in submit_cleanup()  argument
387 	for (i = 0; i < submit->nr_bos; i++) {  in submit_cleanup()
388 		struct msm_gem_object *msm_obj = submit->bos[i].obj;  in submit_cleanup()
389 		submit_unlock_unpin_bo(submit, i, false);  in submit_cleanup()
394 	ww_acquire_fini(&submit->ticket);  in submit_cleanup()
404 	struct msm_gem_submit *submit;  in msm_ioctl_gem_submit()  local
475 	submit = submit_create(dev, gpu, ctx->aspace, queue, args->nr_bos,  in msm_ioctl_gem_submit()
477 	if (!submit) {  in msm_ioctl_gem_submit()
482 	submit->pid = pid;  in msm_ioctl_gem_submit()
483 	submit->ident = submitid;  in msm_ioctl_gem_submit()
486 		submit->in_rb = true;  in msm_ioctl_gem_submit()
488 	ret = submit_lookup_objects(submit, args, file);  in msm_ioctl_gem_submit()
492 	ret = submit_lock_objects(submit);  in msm_ioctl_gem_submit()
496 	ret = submit_fence_sync(submit, !!(args->flags & MSM_SUBMIT_NO_IMPLICIT));  in msm_ioctl_gem_submit()
500 	ret = submit_pin_objects(submit);  in msm_ioctl_gem_submit()
529 		ret = submit_bo(submit, submit_cmd.submit_idx,  in msm_ioctl_gem_submit()
549 		submit->cmd[i].type = submit_cmd.type;  in msm_ioctl_gem_submit()
550 		submit->cmd[i].size = submit_cmd.size / 4;  in msm_ioctl_gem_submit()
551 		submit->cmd[i].iova = iova + submit_cmd.submit_offset;  in msm_ioctl_gem_submit()
552 		submit->cmd[i].idx  = submit_cmd.submit_idx;  in msm_ioctl_gem_submit()
554 		if (submit->valid)  in msm_ioctl_gem_submit()
557 		ret = submit_reloc(submit, msm_obj, submit_cmd.submit_offset,  in msm_ioctl_gem_submit()
563 	submit->nr_cmds = i;  in msm_ioctl_gem_submit()
565 	submit->fence = msm_fence_alloc(ring->fctx);  in msm_ioctl_gem_submit()
566 	if (IS_ERR(submit->fence)) {  in msm_ioctl_gem_submit()
567 		ret = PTR_ERR(submit->fence);  in msm_ioctl_gem_submit()
568 		submit->fence = NULL;  in msm_ioctl_gem_submit()
573 		sync_file = sync_file_create(submit->fence);  in msm_ioctl_gem_submit()
580 	msm_gpu_submit(gpu, submit, ctx);  in msm_ioctl_gem_submit()
582 	args->fence = submit->fence->seqno;  in msm_ioctl_gem_submit()
590 	submit_cleanup(submit);  in msm_ioctl_gem_submit()
592 		msm_gem_submit_free(submit);  in msm_ioctl_gem_submit()