Thanks for the suggestion. I will check with Thierrey also. Regards Shashank
-----Original Message----- From: Ville Syrjälä [mailto:ville.syrj...@linux.intel.com] Sent: Thursday, October 29, 2015 6:48 PM To: Sharma, Shashank Cc: Lespiau, Damien; Jani Nikula; intel-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org; Thierry Reding Subject: Re: [Intel-gfx] HDMI 4k modes VIC On Thu, Oct 29, 2015 at 08:03:29AM +0000, Sharma, Shashank wrote: > Actually we should update the cea_modedb in drm layer with 4k modes > and appropriate VIC, coz the AVI infoframe functions are not getting proper > VICs for cea modes. Or while processing alternative cea modes, we should > check and return VICs. That's not surprising since the drm mode lists haven't been updated for 861-F. IIRC Thierry may already have some patches for that, as well as HDMI 2.0. > > I was planning to add 4k@60 modes, I will probably add one patch there, for > handling the 4k modes in CEA db. > As per CEA-861-F compliance, the 4k@30 and 4k@60 modes can come in cea DB as > SVD modes. So we should have VICs for them also. > We will also start upstreaming the patches we added for VLV/CHV, for handling > aspect ratio support in libdrm layer as well as kernel. > > Regards > Shashank > -----Original Message----- > From: Lespiau, Damien > Sent: Wednesday, October 28, 2015 10:21 PM > To: Jani Nikula > Cc: Sharma, Shashank; intel-gfx@lists.freedesktop.org > Subject: Re: [Intel-gfx] HDMI 4k modes VIC > > On Wed, Oct 28, 2015 at 06:38:21PM +0200, Jani Nikula wrote: > > > Are you seeing a bug? it's totally possible, I've never used an > > > actual conformance tool when I wrote that code, so it's likely > > > buggy and the VIC in the AVI infoframe may well be wrong. > > > > Possibly relevant > > https://bugs.freedesktop.org/show_bug.cgi?id=92217 > > That one looks different, we don't do aspect ratio on modes very well, not > even exposing them to user space. > > -- > Damien > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
