[Intel-gfx] [PATCH] drm/i915/selftests: Hold task reference to reset worker

[Chris Wilson]

Quoting Joonas Lahtinen (2018-11-20 14:17:33)
> Quoting Chris Wilson (2018-11-20 14:06:01)
> > As the worker may exit by itself, we need to hold a task reference to it
> > in the parent.
> > 
> > References: https://bugs.freedesktop.org/show_bug.cgi?id=108735
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Checks out. I assume you hit this during debug of the above bug, I'm not
> seeing other connection.

Just reading the code and traces for the bug, didn't see anything
obviously wrong (if it stalled, it stalled quietly) so playing a game of
what if instead.
-Chris