[PATCH 04/12] drm/gem: dd DMA-buf user fence support for the atomic helper

[Christian König]

Just add the call before taking locks.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/drm_gem_atomic_helper.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/drm_gem_atomic_helper.c b/drivers/gpu/drm/drm_gem_atomic_helper.c
index a005c5a0ba46..fe0d18486643 100644
--- a/drivers/gpu/drm/drm_gem_atomic_helper.c
+++ b/drivers/gpu/drm/drm_gem_atomic_helper.c
@@ -142,11 +142,15 @@ int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_st
 {
 	struct drm_gem_object *obj;
 	struct dma_fence *fence;
+	int ret;
 
 	if (!state->fb)
 		return 0;
 
 	obj = drm_gem_fb_get_obj(state->fb, 0);
+	ret = dma_resv_sync_user_fence(obj->resv);
+	if (ret)
+		return ret;
 	fence = dma_resv_get_excl_rcu(obj->resv);
 	drm_atomic_set_fence_for_plane(state, fence);
 
-- 
2.25.1