> -----Original Message----- > From: Intel-gfx [mailto:intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of > ville.syrjala@xxxxxxxxxxxxxxx > Sent: Tuesday, May 05, 2015 7:06 AM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: [PATCH 9/9] drm/i915: Double the port clock when using > double clocked modes with 12bpc > > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Currently we're forgetting to double the port clock when using double > clocked modes with 12bpc on HDMI. We're only accounting for the 1.5x > factor due to the 12bpc. So further double the 1.5x port clock when we > have a double clocked mode. > > Unfortunately I don't have any displays that support both 12bpc and > double clocked modes, so I was unable to test this. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_hdmi.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/i915/intel_hdmi.c > b/drivers/gpu/drm/i915/intel_hdmi.c > index 1810242..f3eec38 100644 > --- a/drivers/gpu/drm/i915/intel_hdmi.c > +++ b/drivers/gpu/drm/i915/intel_hdmi.c > @@ -1248,6 +1248,7 @@ bool intel_hdmi_compute_config(struct > intel_encoder *encoder, > > if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK) { > pipe_config->pixel_multiplier = 2; > + clock_12bpc *= 2; > } > > if (intel_hdmi->color_range) > -- Reviewed-by: Chandra Konduru <Chandra.konduru@xxxxxxxxx> > 2.0.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
