I've tried v4.14-rc1. Now I do not have 4k@60 anymore. dmesg with drm.debug: http://sprunge.us/TKbO
Best Regards, Wolfgang Jani Nikula <[email protected]> schrieb am Di., 19. Sep. 2017 um 12:08 Uhr: > On Mon, 18 Sep 2017, Wolfgang Haupt <[email protected]> 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 >
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