From: Jani Nikula <jani.nikula@linux.intel.com>
To: Wolfgang Haupt <haupt.wolfgang@gmail.com>,
intel-gfx@lists.freedesktop.org
Subject: Re: force yuv 4:2:0 output
Date: Tue, 19 Sep 2017 13:07:54 +0300 [thread overview]
Message-ID: <87zi9r80hx.fsf@nikula.org> (raw)
In-Reply-To: <CANdnG_nJRwKxUq=YFO=M-TS-5wX4G_nJ01bQAa=TfwRHX4PxnQ@mail.gmail.com>
On Mon, 18 Sep 2017, Wolfgang Haupt <haupt.wolfgang@gmail.com> 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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next prev parent reply other threads:[~2017-09-19 10:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-18 21:29 force yuv 4:2:0 output Wolfgang Haupt
2017-09-19 10:07 ` Jani Nikula [this message]
2017-09-20 19:09 ` Wolfgang Haupt
2017-09-21 8:14 ` Jani Nikula
2017-09-21 14:29 ` Wolfgang Haupt
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