i915: screen flicker
Jani Nikula
jani.nikula at linux.intel.com
Wed Apr 27 07:09:32 UTC 2016
On Wed, 27 Apr 2016, Mihai Donțu <mihai.dontu at gmail.com> wrote:
> Hi,
>
> 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.
BR,
Jani.
>
> I have an Intel i7-4600U CPU. I also attached to this email and archive
> with the contents of /sys/kernel/debug/dri/0.
>
> Thank you,
--
Jani Nikula, Intel Open Source Technology Center
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