Re: Bad flicker on skylake HQD due to code in the 4.7 merge window

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On Tue, 31 May 2016, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:
> On Tue, 2016-05-31 at 10:51 +0300, Jani Nikula wrote:
>> On Mon, 30 May 2016, James Bottomley <
>> James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> > I've tested a pristine 4.6.0 system, so it's definitely something
>> > that
>> > went in during the merge window.  The flicker isn't continuous,
>> > it's
>> > periodic, with an interval of something like 2-5 seconds.  It looks
>> > like an old analogue TV going out of sync and then resyncing.  I've
>> > attached the dmesg and X.org log below just in case they can help. 
>> >  I
>> > might be able to bisect this next week, but, unfortunately, this is
>> > my
>> > current laptop and I'm travelling this week.
>> 
>> Please try i915.enable_psr=0 module parameter.
>
> Makes no discernable difference.  Current parameter settings are:

Sorry for the silence. Would you mind trying out drm-intel-nightly
branch of [1]?

BR,
Jani.

[1] http://cgit.freedesktop.org/drm-intel


-- 
Jani Nikula, Intel Open Source Technology Center
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