[Intel-gfx] [PATCH 8/9] drm/i915: Fix hdmi clock readout with pixel repeat

[Konduru, Chandra]

> -----Original Message-----
> From: Intel-gfx [mailto:intel-gfx-bounces at lists.freedesktop.org] On Behalf Of
> ville.syrjala at linux.intel.com
> Sent: Tuesday, May 05, 2015 7:06 AM
> To: intel-gfx at lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH 8/9] drm/i915: Fix hdmi clock readout with pixel
> repeat
> 
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Account for the pixel multiplier when reading out the HDMI
> mode dotclock. Makes the state checked happier on my ILK when using
> double clocked modes.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_hdmi.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c
> b/drivers/gpu/drm/i915/intel_hdmi.c
> index ce595c3..1810242 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -943,6 +943,9 @@ static void intel_hdmi_get_config(struct intel_encoder
> *encoder,
>  	else
>  		dotclock = pipe_config->port_clock;
> 
> +	if (pipe_config->pixel_multiplier)
> +		dotclock /= pipe_config->pixel_multiplier;
> +

This is unrelated to HDMI 12bpc series. May be a separate patch.

Reviewed-by: Chandra Konduru <Chandra.konduru at intel.com>


>  	if (HAS_PCH_SPLIT(dev_priv->dev))
>  		ironlake_check_encoder_dotclock(pipe_config, dotclock);
> 
> --
> 2.0.5
> 
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