i915: screen flicker

2016-04-28 Thread Jani Nikula
On Wed, 27 Apr 2016, Mihai Donțu wrote: > On Wed, 27 Apr 2016 20:36:13 +0300 Mihai Donțu wrote: >> On Wed, 27 Apr 2016 08:28:20 -0700 Rodrigo Vivi wrote: >> > Hi Mihai, >> > >> > What platform do you have? HSW or BDW? >> >> I have an i7, Haswell CPU. >> >> > If you don't know please provide

i915: screen flicker

2016-04-27 Thread Mihai Donțu
On Wed, 27 Apr 2016 20:36:13 +0300 Mihai Donțu wrote: > On Wed, 27 Apr 2016 08:28:20 -0700 Rodrigo Vivi wrote: > > Hi Mihai, > > > > What platform do you have? HSW or BDW? > > I have an i7, Haswell CPU. > > > If you don't know please provide lspci -nn > > I have attached the output of lspc

i915: screen flicker

2016-04-27 Thread Mihai Donțu
On Wed, 27 Apr 2016 08:28:20 -0700 Rodrigo Vivi wrote: > Hi Mihai, > > What platform do you have? HSW or BDW? I have an i7, Haswell CPU. > If you don't know please provide lspci -nn I have attached the output of lspci, just in case. :-) > What happens if you boot with i915.enable_psr=2? I'll

i915: screen flicker

2016-04-27 Thread Jani Nikula
On Wed, 27 Apr 2016, Mihai Donțu wrote: > 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 >> > behav

i915: screen flicker

2016-04-27 Thread 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 yo

i915: screen flicker

2016-04-27 Thread Jani Nikula
On Wed, 27 Apr 2016, Mihai Donțu 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://blo

i915: screen flicker

2016-04-27 Thread Rodrigo Vivi
Hi Mihai, What platform do you have? HSW or BDW? If you don't know please provide lspci -nn What happens if you boot with i915.enable_psr=2? In case it helps, could you please boot with default i915.enable_psr=-1 appying this patch to your kernel to know what your VBT recommends: diff --git a/dr

i915: screen flicker

2016-04-27 Thread Mihai Donțu
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 'e