[Intel-gfx] [PATCH 3/3] drm/i915: Don't use the HDMI port color range bit on Valleyview

Jani Nikula jani.nikula at linux.intel.com
Wed Apr 3 11:33:31 CEST 2013


On Tue, 02 Apr 2013, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> VLV docs still list the the color range selection bit for the HDMI
> ports, but for DP ports it has been repurposed.
>
> I have no idea whether the HDMI color range selection bit still works
> on VLV, but since we now have to use the PIPECONF color range bit for
> DP, we might as well do the same for HDMI.

I don't have any additional information on this. The patch does what it
says above, so for that:

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_hdmi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index b206a0d..ee4a8da 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -602,7 +602,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
>  	u32 hdmi_val;
>  
>  	hdmi_val = SDVO_ENCODING_HDMI;
> -	if (!HAS_PCH_SPLIT(dev))
> +	if (!HAS_PCH_SPLIT(dev) && !IS_VALLEYVIEW(dev))
>  		hdmi_val |= intel_hdmi->color_range;
>  	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
>  		hdmi_val |= SDVO_VSYNC_ACTIVE_HIGH;
> -- 
> 1.8.1.5
>
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