[Intel-gfx] [PATCH 10/10] drm/i915/pmu: Add RC6 residency metrics

[Chris Wilson]

Quoting Tvrtko Ursulin (2017-09-29 13:35:00)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> For clients like intel-gpu-overlay it is easier to read the
> counters via the perf API than having to parse sysfs.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris