On Thu, Jan 9, 2020 at 4:38 PM Ville Syrjälä <ville.syrj...@linux.intel.com> wrote:
> On Thu, Jan 09, 2020 at 05:26:57PM +0200, Ville Syrjälä wrote: > > On Thu, Jan 09, 2020 at 04:07:52PM +0100, Mario Kleiner wrote: > > > The panel reports 10 bpc color depth in its EDID, and the UEFI > > > firmware chooses link settings at boot which support enough > > > bandwidth for 10 bpc (324000 kbit/sec to be precise), but the > > > DP_MAX_LINK_RATE dpcd register only reports 2.7 Gbps as possible, > > Does it actually or do we just ignore the fact that it reports 3.24Gbps? > > If it really reports 3.24 then we should be able to just add that to > dp_rates[] in intel_dp_set_sink_rates() and be done with it. > > Although we'd likely want to skip 3.24 unless it really is reported > as the max so as to not use that non-standard rate on other displays. > So would require a bit fancier logic for that. > > Was also my initial thought, but the DP_MAX_LINK_RATE reg reports 2.7 Gbps as maximum. -mario
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