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[PATCH v6 2/6] drm/imx: use drm_atomic_set_fence_for_plane() to set the fence

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  [PATCH v6 2/6] drm/imx: use drm_atomic_set_fence_for_plane() to set the fence Gustavo Padovan <gustavo@padovan.org> - 2016-10-27 21:40 +0200
    Re: [PATCH v6 2/6] drm/imx: use drm_atomic_set_fence_for_plane() to  set the fence Daniel Vetter <daniel@ffwll.ch> - 2016-10-28 09:40 +0200

#1510602 — [PATCH v6 2/6] drm/imx: use drm_atomic_set_fence_for_plane() to set the fence

From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

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

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---
 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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#1510907 — Re: [PATCH v6 2/6] drm/imx: use drm_atomic_set_fence_for_plane() to set the fence

On Thu, Oct 27, 2016 at 05:37:07PM -0200, Gustavo Padovan wrote:
> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
> 
> drm_atomic_set_fence_for_plane() is smart and won't overwrite
> plane_state->fence if the user already set an explicit fence there.
> 
> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

Process nit: Please make sure you Cc: driver maintainers for driver
patches. Best done by putting the Cc: into the patch, then you never
forget ;-)

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
>  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
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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