[Intel-gfx] [PATCH 1/2] drm/i915: VLV doesn't have the ILK+ style LP watermark registers

[Jani Nikula]

On Tue, 21 May 2013, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> The LP watermark registers don't exist on VLV, so don't touch them.

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.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 8a90cf3..a1a931c 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4284,10 +4284,6 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	int pipe;
>  
> -	I915_WRITE(WM3_LP_ILK, 0);
> -	I915_WRITE(WM2_LP_ILK, 0);
> -	I915_WRITE(WM1_LP_ILK, 0);
> -
>  	I915_WRITE(ILK_DSPCLK_GATE_D, ILK_VRHUNIT_CLOCK_GATE_DISABLE);
>  
>  	/* WaDisableEarlyCull:vlv */
> -- 
> 1.8.1.5
>
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-- 
Jani Nikula, Intel Open Source Technology Center