[Intel-gfx] ✗ Fi.CI.BAT: warning for series starting with [1/4] drm/i915: Only disable execlist preemption for the duration of the request

[Chris Wilson]

On Sat, Jan 21, 2017 at 10:54:09AM -0000, Patchwork wrote:
> == Series Details ==
> 
> Series: series starting with [1/4] drm/i915: Only disable execlist preemption for the duration of the request
> URL   : https://patchwork.freedesktop.org/series/18340/
> State : warning
> 
> == Summary ==
> 
> Series 18340v1 Series without cover letter
> https://patchwork.freedesktop.org/api/1.0/series/18340/revisions/1/mbox/
> 
> Test gem_exec_suspend:
>         Subgroup basic-s4-devices:
>                 pass       -> DMESG-WARN (fi-skl-6700hq)
>                 pass       -> DMESG-WARN (fi-skl-6700k)

This is an odd one, after resume skl (and only some skl gt) loses track
temporarily. From our pov, we start from an empty list after resume
(which we assert before we suspend). A reset seems enough to make it
behave again.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre