[Intel-gfx] Issues withddcutils/ddccontorl remote control of an monitor with Skylake/Kabylake GPU

[Jani Nikula]

On Mon, 18 Sep 2017, Maxim Levitsky <maximlevitsky at gmail.com> wrote:
> I have a Kabylake GPU (i7700K) and I can't control my monitor with it using
> ddcutil.
> It only sometimes work and most of the time spews i2c errors.
> I also tested on my laptop which has Skylake GPU and I see the same issue.
> The same monitor works with my nvidia GPU and when connected via VGA<->DP
> adapter to the notebook.
>
> I will soon provide all the debug logs i could gather, but meanwhile maybe
> this is known issue?
>
> For reference I used 4.12 kernel on the Kabylake GPU.

Please file bugs at [1], and attach the logs there. ISTR there have been
bugs reported about this before, but I couldn't find any. It certainly
has never been a high priority thing.

BR,
Jani.


[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel


-- 
Jani Nikula, Intel Open Source Technology Center