This patch, or
commit 20311bd35060435badba8a0d46b06d5d184abaf7
Author: Chris Wilson
Date: Mon Nov 14 20:41:03 2016 +
drm/i915/scheduler: Execute requests in order of priorities
tricks sparse into warnings. It makes me unhappy to see the sparse
warnings
Track the priority of each request and use it to determine the order in
which we submit requests to the hardware via execlists.
The priority of the request is determined by the user (eventually via
the context) but may be overridden at any time by the driver. When we set
the priority of the