Quoting Chris Wilson (2017-09-26 11:17:19)
> When cancelling requests, also send the notification to any listeners
> (gvt) that the request is no longer scheduler on hw. They may require to
> keep the in/out exactly balanced, and so the reuse after the reset may
> confuse the listener.
>
> Fixes: 221ab9719bf3 ("drm/i915/execlists: Unwind incomplete requests on resets")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: "Zhenyu Wang" <zhenyuw@xxxxxxxxxxxxxxx>
> Cc: "Wang, Zhi A" <zhi.a.wang@xxxxxxxxx>
> Cc: Michał Winiarski <michal.winiarski@xxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Pushed this first patch with Mika's earlier r-b and spelling fix, as it
fixes the recent change in behaviour. The argument over whether gvt
would like a new status for this can be held later. (By later, I mean
later today ;)
-Chris
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