drm/i915: Fix hdmi clock readout with pixel repeat

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@linux.intel.com>
Reviewed-by: Chandra Konduru <Chandra.konduru@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-05-05 17:06:26 +03:00 committed by Daniel Vetter
parent ec1dc603c6
commit be69a1335f
1 changed files with 3 additions and 0 deletions

View File

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