[Intel-gfx] [PATCH 15/36] drm/i915: Mark up Ironlake ips with rpm wakerefs

[Chris Wilson]

Quoting Sagar Arun Kamble (2018-03-16 06:04:03)
> i915_mch_val() called from i915_emon_status debugfs is not protected 
> under rpm_get and mchdev_lock.
> Can that also be updated as part of this patch.

Actually, we can just do that unlocked since we know that debugfs
teardown is itself serialised so inside i915_emon_status() we know
dev_priv is stable and not about to be freed.
-Chris