[PATCH] drm/i915: Kill the leftover RMW from ivb_sprite_disable()

[PATCH] drm/i915: Kill the leftover RMW from ivb_sprite_disable()

[ville.syrjala]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

We still had one lingering RMW in ivb_sprite_disable(), all the other
RMWs were killed off from the sprite code some time ago. Kill the
straggler too.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 7f0911e..a84cbf42 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -610,7 +610,7 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
 	struct intel_plane *intel_plane = to_intel_plane(plane);
 	int pipe = intel_plane->pipe;
 
-	I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
+	I915_WRITE(SPRCTL(pipe), 0);
 	/* Can't leave the scaler enabled... */
 	if (intel_plane->can_scale)
 		I915_WRITE(SPRSCALE(pipe), 0);
-- 
2.4.9

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Re: [PATCH] drm/i915: Kill the leftover RMW from ivb_sprite_disable()

[Daniel Vetter]

On Thu, Oct 15, 2015 at 05:04:04PM +0300, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> We still had one lingering RMW in ivb_sprite_disable(), all the other
> RMWs were killed off from the sprite code some time ago. Kill the
> straggler too.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Queued for -next, thanks for the patch.
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_sprite.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 7f0911e..a84cbf42 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -610,7 +610,7 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
>  	struct intel_plane *intel_plane = to_intel_plane(plane);
>  	int pipe = intel_plane->pipe;
>  
> -	I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
> +	I915_WRITE(SPRCTL(pipe), 0);
>  	/* Can't leave the scaler enabled... */
>  	if (intel_plane->can_scale)
>  		I915_WRITE(SPRSCALE(pipe), 0);
> -- 
> 2.4.9
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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