On Thu, Jun 16, 2016 at 11:15 PM, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 2016-06-13 at 13:14 +0300, Jani Nikula wrote: >> 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 > > No, flicker is still there (and in fact seems worse) with the tree with > this commit at the top: > > commit 3eb202ecc3668583f9ff4338211dbab47d755d1c > Author: Daniel Vetter <daniel.vetter@xxxxxxxx> > Date: Thu Jun 16 14:38:54 2016 +0200 > > drm-intel-nightly: 2016y-06m-16d-12h-38m-37s UTC integration > manifest Strange indeed, I hoped the improved watermark code in -nightly would help. I assume nothing in dmesg about underruns or something similar? I guess we'll need the bisect on this one to make progress. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
