[PATCH] drm/i915: Wait for vblank between disabling a sprite and unpinning the fb

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On Wed, 27 Mar 2013 17:49:13 +0200
ville.syrjala at linux.intel.com wrote:

> From: Ville Syrj?l? <ville.syrjala at linux.intel.com>
> 
> When disabling a sprite, wait for the sprite to stop fetching data
> from memory before unpinning the fb.
> 
> Signed-off-by: Ville Syrj?l? <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_sprite.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 414d325..27df5b8 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -582,6 +582,8 @@ intel_disable_plane(struct drm_plane *plane)
>  	if (!intel_plane->obj)
>  		goto out;
>  
> +	intel_wait_for_vblank(dev, intel_plane->pipe);
> +
>  	mutex_lock(&dev->struct_mutex);
>  	intel_unpin_fb_obj(intel_plane->obj);
>  	intel_plane->obj = NULL;

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center


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