diff mbox series

[09/12] drm/nouveau: add DMA-buf user fence support

Message ID 20210504132729.2046-10-christian.koenig@amd.com (mailing list archive)
State New, archived
Headers show
Series [01/12] dma-buf: add interface for user fence synchronization | expand

Commit Message

Christian König May 4, 2021, 1:27 p.m. UTC 
Just add the call before taking locks.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/nouveau/nouveau_gem.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index a70e82413fa7..e349a8b32549 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -552,6 +552,7 @@  nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
 			     struct validate_op *op, bool *apply_relocs)
 {
 	struct nouveau_cli *cli = nouveau_cli(file_priv);
+	unsigned int i;
 	int ret;
 
 	INIT_LIST_HEAD(&op->list);
@@ -559,6 +560,17 @@  nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
 	if (nr_buffers == 0)
 		return 0;
 
+	for (i = 0; i < nr_buffers; i++) {
+		struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
+		struct drm_gem_object *gem;
+
+		gem = drm_gem_object_lookup(file_priv, b->handle);
+		if (!gem)
+			return -ENOENT;
+		dma_resv_sync_user_fence(gem->resv);
+		drm_gem_object_put(gem);
+	}
+
 	ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
 	if (unlikely(ret)) {
 		if (ret != -ERESTARTSYS)