Re: [Intel-gfx] [PATCH v3] drm/i915/dp: Read link status more times when EQ not done

2017-04-03 Thread Jim Bride
On Fri, Mar 31, 2017 at 04:25:31PM -0700, Rodrigo Vivi wrote: > On Mon, Mar 13, 2017 at 1:12 AM, Lee, Shawn C wrote: > > From: "Lee, Shawn C" > > > > Display driver read DPCD register 0x202, 0x203 and 0x204 to identify > > eDP sink status.If PSR exit is ongoing at eDP sink, and eDP source > > rea

Re: [Intel-gfx] [PATCH v3] drm/i915/dp: Read link status more times when EQ not done

2017-03-31 Thread Rodrigo Vivi
On Mon, Mar 13, 2017 at 1:12 AM, Lee, Shawn C wrote: > From: "Lee, Shawn C" > > Display driver read DPCD register 0x202, 0x203 and 0x204 to identify > eDP sink status.If PSR exit is ongoing at eDP sink, and eDP source > read these registers at the same time. Panel will report EQ & symbol > lock n

[Intel-gfx] [PATCH v3] drm/i915/dp: Read link status more times when EQ not done

2017-03-13 Thread Lee, Shawn C
From: "Lee, Shawn C" Display driver read DPCD register 0x202, 0x203 and 0x204 to identify eDP sink status.If PSR exit is ongoing at eDP sink, and eDP source read these registers at the same time. Panel will report EQ & symbol lock not done. It will cause panel display flicking. Try to read link