[Intel-gfx] [RFC 24/31] drm/i915: Compartmentalize i915_ggtt_cleanup_hw

[Chris Wilson]

Quoting Tvrtko Ursulin (2019-06-14 16:17:24)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Continuing on the theme of better logical organization of our code, make
> the first step towards making the ggtt code better isolated from wider
> struct drm_i915_private.
> 
> v2:
>  * Cleanup of mm.wc_stash does not need struct_mutex. (Chris)
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

* shakes first at struct_mutex

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris