Re: Bad flicker on skylake HQD due to code in the 4.7 merge window
From: James Bottomley
Date: Tue May 31 2016 - 09:34:14 EST
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: