[Intel-gfx] [PATCH] drm/i915/gt: Flush engine parking before release

[Matthew Auld]

On Fri, 24 Jan 2020 at 14:33, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> Due to the asynchronous nature of releasing our wakerefs, we can signal
> the main GT wakeref as complete before the individual engines have
> cleared their own wakerefs. During shutdown we assert that the engines
> are indeed parked before we release them, but for this to be always true
> we need to flush their workers as well.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>