drm/i915: Fix hdmi clock readout with pixel repeat
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 5 May 2015 14:06:26 +0000 (17:06 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 15 Jun 2015 09:36:23 +0000 (11:36 +0200)
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>
drivers/gpu/drm/i915/intel_hdmi.c

index 1cde6c045da257849af94536e9624235767b3dad..42fc5052819040c8fe81ac76a8db613132c50837 100644 (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);