On Wed, 20 Sep 2017, Wolfgang Haupt <haupt.wolfgang@xxxxxxxxx> wrote: > I've tried v4.14-rc1. > Now I do not have 4k@60 anymore. Okay, please file a bug at https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel > dmesg with drm.debug: > http://sprunge.us/TKbO Attach dmesg all the way from boot to the bug please. BR, Jani. > > > Best Regards, > Wolfgang > > Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> schrieb am Di., 19. Sep. 2017 um > 12:08 Uhr: > >> On Mon, 18 Sep 2017, Wolfgang Haupt <haupt.wolfgang@xxxxxxxxx> wrote: >> > Hello everyone, >> > >> > recently I played around with my kabylake i5 nuc box and found that on >> some >> > TV's >> > the screen stays black as soon as I go to 4k@60. >> > The TV only accepts 4k@60 at yuv 4:2:0 (I also saw hdmi range extenders >> and >> > stuff that don't support yuv 4:4:4 on 4k@60). >> > I tried to force limited mode through xrandr or by overriding the edid >> > information, but nothing worked so far. >> > Now I wonder if there is a way to force yuv 4:2:0 ouptut on the kernel >> > level. >> > Thanks. >> >> Please try v4.14-rc1. >> >> BR, >> Jani. >> >> >> -- >> Jani Nikula, Intel Open Source Technology Center >> -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx