Re: [PATCH 13/14] drm/i915: Limit CHV max cdclk

Ville Syrjälä
2015-04-15T19:19:05Z

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@intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala@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