[Intel-gfx] [PATCH 09/31] drm/i915: Wait for engines to idle before retiring

[Chris Wilson]

Quoting Tvrtko Ursulin (2018-06-27 12:32:35)
> 
> To me this order makes more sense in general.

Apart from the cries of struct_mutex, no! I feel a chill go up my spline
for every i915_retire_requests(). (How on earth are we going to dig
ourselves out of this one? One hopes the globals can be constrained...)
-Chris