>-----Original Message----- >From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> >Sent: Wednesday, October 16, 2019 6:48 PM >To: Shankar, Uma <uma.shankar@xxxxxxxxx> >Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Mun, Gwan-gyeong <gwan- >gyeong.mun@xxxxxxxxx>; Sharma, Shashank <shashank.sharma@xxxxxxxxx> >Subject: Re: [v1 0/6] Enable HDR on MCA LSPCON based Gen9 devices > >On Wed, Oct 16, 2019 at 04:02:43PM +0530, Uma Shankar wrote: >> Gen9 hardware supports HDMI2.0 through LSPCON chips. Extending HDR >> support for MCA LSPCON based GEN9 devices. > >Couple of general comments about the LSPCON stuff. > >a) we need infoframe readout support We lack that in general for all the DP SDP stuff. Discussed with GG and hopefully he has plans for DP state readout. >b) we need to stop sending infoframes to DVI sinks Sure, will work on this. >c) we need to figure out how to disable the AVI infoframe > once enabled (if it doesn't get automagically disabled > when do a modeset), because otherwise when we switch > displays from HDMI to DVI we will still send the infoframe > to the DVI sink Ok, will work on to handle this. >I think those should be fixed first before we add more infoframes to the mix. > >Also if we use the SDP stuff for the HDR infoframe we should just integrate it properly >with the already existing DP HDR metadata stuff. And we need to add readout support >for that. Sure, will discuss with GG to get the state readout for DP SDP. >-- >Ville Syrjälä >Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
