[Intel-gfx] [PATCH 13/14] drm/i915: Limit CHV max cdclk

[Ville Syrjälä]

On Wed, Apr 15, 2015 at 04:07:23PM +0300, Mika Kahola wrote:
> Limit CHV maximum cdclk to 320MHz.
> 
> Signed-off-by: Mika Kahola <mika.kahola at intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_display.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 09f3518..d79421a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5239,7 +5239,7 @@ static void intel_update_max_cdclk(struct drm_device *dev)
>  		else
>  			dev_priv->max_cdclk_freq = 540000;
>  	} else if (IS_VALLEYVIEW(dev)) {
> -		dev_priv->max_cdclk_freq = 400000;
> +		dev_priv->max_cdclk_freq = IS_CHERRYVIEW(dev) ? 320000 : 400000;
>  	} else {
>  		/* otherwise assume cdclk is fixed */
>  		dev_priv->max_cdclk_freq = dev_priv->cdclk_freq;
> -- 
> 1.9.1
> 
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-- 
Ville Syrjälä
Intel OTC