> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Ankit > Nautiyal > Sent: Thursday, July 21, 2022 2:17 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: [PATCH v2] drm/i915/hdmi: Prune modes that require HDMI2.1 > FRL > > HDMI2.1 requires some higher resolution video modes to be enumerated only if > HDMI2.1 Fixed Rate Link (FRL) is supported. > Current platforms do not support FRL transmission so prune modes that require > HDMI2.1 FRL. > > v2: Fixed the condition to check for dotclock > 600. > Return MODE_CLOCK_HIGH as mode status. Pushed the change to drm-intel-next. Thanks for the patch and reviews. Regards, Uma Shankar > Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> > Reviewed-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> (v1) > --- > drivers/gpu/drm/i915/display/intel_hdmi.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c > b/drivers/gpu/drm/i915/display/intel_hdmi.c > index ebd91aa69dd2..a88f589351fa 100644 > --- a/drivers/gpu/drm/i915/display/intel_hdmi.c > +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c > @@ -2001,6 +2001,15 @@ intel_hdmi_mode_valid(struct drm_connector > *connector, > clock *= 2; > } > > + /* > + * HDMI2.1 requires higher resolution modes like 8k60, 4K120 to be > + * enumerated only if FRL is supported. Current platforms do not support > + * FRL so prune the higher resolution modes that require doctclock more > + * than 600MHz. > + */ > + if (clock > 600000) > + return MODE_CLOCK_HIGH; > + > ycbcr_420_only = drm_mode_is_420_only(&connector->display_info, > mode); > > status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, > ycbcr_420_only); > -- > 2.25.1
