[PATCH v2 2/4] drm/imx: use drm_atomic_set_fence_for_plane() to set the fence

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From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>

drm_atomic_set_fence_for_plane() is smart and won't overwrite
plane_state->fence if the user already set an explicit fence there.

Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/imx/imx-drm-core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 98df09c..07fe955 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -158,6 +158,7 @@ static int imx_drm_atomic_commit(struct drm_device *dev,
 	struct drm_plane_state *plane_state;
 	struct drm_plane *plane;
 	struct dma_buf *dma_buf;
+	struct dma_fence *fence;
 	int i;
 
 	/*
@@ -170,8 +171,9 @@ static int imx_drm_atomic_commit(struct drm_device *dev,
 							 0)->base.dma_buf;
 			if (!dma_buf)
 				continue;
-			plane_state->fence =
-				reservation_object_get_excl_rcu(dma_buf->resv);
+			fence = reservation_object_get_excl_rcu(dma_buf->resv);
+
+			drm_atomic_set_fence_for_plane(plane_state, fence);
 		}
 	}
 
-- 
2.5.5

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