[Intel-gfx] [PATCH 1/2] drm/i915: Double check bumping after the spinlock

[Matthew Auld]

On 20/02/2020 12:36, Chris Wilson wrote:
> In preparation for making GEM execbuf parallel, we need to be prepared
> to handle very early declaration of dependencies -- even before our
> signaler has itself been submitted.
> 
> References: a79ca656b648 ("drm/i915: Push the wakeref->count deferral to the backend")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>