[Intel-gfx] [RFC 10/11] drm/i915: Export engine stats API to other users

[Chris Wilson]

Quoting Tvrtko Ursulin (2017-09-11 16:25:58)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Other kernel users might want to look at total GPU busyness
> in order to implement things like package power distribution
> algorithms more efficiently.

Who are we exporting these symbols to? Will you not need all the module
ref handling and load ordering like around ips and audio?
-Chris