i915: screen flicker

[Mihai Donțu]

On Wed, 27 Apr 2016 10:09:32 +0300 Jani Nikula wrote:
> On Wed, 27 Apr 2016, Mihai Donțu wrote:
> > I noticed that since I started using 4.6.0-rcX, my screen flickers once
> > or twice after I stop using my laptop for ~1min or so. Given the
> > behavior, my prime suspect is the PSR feature that you have announced
> > for this release:
> >
> >   http://blog.ffwll.ch/2016/03/neat-drmi915-stuff-for-46.html
> >
> > Is 'enable_psr' the right knob to use to turn this feature off and see
> > if my suspicions are correct? Or is there a patch floating around that
> > I can test?  
> 
> i915.enable_psr=0 is the one to try, yes.

I can confirm that with PSR off, the flicker goes away.

> > I have an Intel i7-4600U CPU. I also attached to this email and archive
> > with the contents of /sys/kernel/debug/dri/0.

-- 
Mihai Donțu