[Intel-gfx] [PATCH] drm/i915/gt: Free stale request on destroying the virtual engine

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Since preempt-to-busy, we may unsubmit a request while it is still on
> the HW and completes asynchronously. That means it may be retired and in
> the process destroy the virtual engine (as the user has closed their
> context), but that engine may still be holding onto the unsubmitted
> compelted request. Therefore we need to potentially cleanup the old

completed.
-Mika