Re: [Intel-gfx] [RFC PATCH] drm/i915: PSR regressions on Broadwell

2015-09-28 Thread Brian Norris
On Mon, Sep 28, 2015 at 10:14:04AM +0300, Jani Nikula wrote: > On Sat, 26 Sep 2015, Brian Norris wrote: > > When using PSR, I see the screen freeze after only a few frames (sometimes a > > split second; sometimes it seems like practically the first frame). > > Bisecting

Re: [Intel-gfx] [RFC PATCH] drm/i915: PSR regressions on Broadwell

2015-09-28 Thread Jani Nikula
On Sat, 26 Sep 2015, Brian Norris wrote: > When using PSR, I see the screen freeze after only a few frames (sometimes a > split second; sometimes it seems like practically the first frame). Bisecting > led me to commit 3301d4092106 ("drm/i915: PSR: Fix

[Intel-gfx] [RFC PATCH] drm/i915: PSR regressions on Broadwell

2015-09-25 Thread Brian Norris
When using PSR, I see the screen freeze after only a few frames (sometimes a split second; sometimes it seems like practically the first frame). Bisecting led me to commit 3301d4092106 ("drm/i915: PSR: Fix DP_PSR_NO_TRAIN_ON_EXIT logic") in v4.2. This patch is the simplest fix that gets it working