[Intel-gfx] [PATCH] drm/i915: Remove duplicated WaForceL3Serialization:vlv

[Damien Lespiau]

On Tue, Jun 25, 2013 at 04:38:21PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> No need to apply WaForceL3Serialization:vlv twice.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_pm.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index cc9440b..3705203 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4831,10 +4831,6 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
>  	I915_WRITE(GEN7_ROW_CHICKEN2,
>  		   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
>  
> -	/* WaForceL3Serialization:vlv */
> -	I915_WRITE(GEN7_L3SQCREG4, I915_READ(GEN7_L3SQCREG4) &
> -		   ~L3SQ_URB_READ_CAM_MATCH_DISABLE);
> -
>  	/* This is required by WaCatErrorRejectionIssue:vlv */
>  	I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,
>  		   I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) |
> -- 
> 1.8.1.5
> 
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