I've tried v4.14-rc1.
Now I do not have 4k@60 anymore.
dmesg with drm.debug:
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
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