Re: [Intel-gfx] [PATCH 3/5] drm/i915/psr: Display WA 0884 applied broadly for more HW tracking.

2018-02-27 Thread Rodrigo Vivi
On Sat, Feb 24, 2018 at 12:24:35AM +, Pandiyan, Dhinakaran wrote: > On Tue, 2018-02-13 at 15:26 -0800, Rodrigo Vivi wrote: > > WA 0884:bxt:all,cnl:*:A - "When FBC is enabled with eDP PSR, > > the CPU host modify writes may not get updated on the Display > > as expected. > > WA: Write

Re: [Intel-gfx] [PATCH 3/5] drm/i915/psr: Display WA 0884 applied broadly for more HW tracking.

2018-02-26 Thread Pandiyan, Dhinakaran
On Mon, 2018-02-26 at 15:08 -0800, Rodrigo Vivi wrote: > On Fri, Feb 23, 2018 at 04:24:35PM -0800, Pandiyan, Dhinakaran wrote: > > On Tue, 2018-02-13 at 15:26 -0800, Rodrigo Vivi wrote: > > > WA 0884:bxt:all,cnl:*:A - "When FBC is enabled with eDP PSR, > > > the CPU host modify writes may not get

Re: [Intel-gfx] [PATCH 3/5] drm/i915/psr: Display WA 0884 applied broadly for more HW tracking.

2018-02-26 Thread Rodrigo Vivi
On Fri, Feb 23, 2018 at 04:24:35PM -0800, Pandiyan, Dhinakaran wrote: > On Tue, 2018-02-13 at 15:26 -0800, Rodrigo Vivi wrote: > > WA 0884:bxt:all,cnl:*:A - "When FBC is enabled with eDP PSR, > > the CPU host modify writes may not get updated on the Display > > as expected. > > WA: Write

Re: [Intel-gfx] [PATCH 3/5] drm/i915/psr: Display WA 0884 applied broadly for more HW tracking.

2018-02-23 Thread Pandiyan, Dhinakaran
On Tue, 2018-02-13 at 15:26 -0800, Rodrigo Vivi wrote: > WA 0884:bxt:all,cnl:*:A - "When FBC is enabled with eDP PSR, > the CPU host modify writes may not get updated on the Display > as expected. > WA: Write 0x to CUR_SURFLIVE_A with every CPU > host modify write to trigger PSR exit." >

[Intel-gfx] [PATCH 3/5] drm/i915/psr: Display WA 0884 applied broadly for more HW tracking.

2018-02-13 Thread Rodrigo Vivi
WA 0884:bxt:all,cnl:*:A - "When FBC is enabled with eDP PSR, the CPU host modify writes may not get updated on the Display as expected. WA: Write 0x to CUR_SURFLIVE_A with every CPU host modify write to trigger PSR exit." We can also find on spec other cases where they describe bogus