[Intel-gfx] [PATCH] drm/i915: Silence debugging DRM_ERROR for failing to suspend vlv powerwells

[Chris Wilson]

Quoting Chris Wilson (2018-04-09 10:49:05)
> If we try to suspend a wedged device following a GPU reset failure, we
> will also fail to turn off the rc6 powerwells (on vlv), leading to a
> *ERROR*. This is quite expected in this case, so the best we can do is
> shake our heads and reduce the *ERROR* to a debug so CI stops
> complaining.
> 
> Testcase: igt/gem_eio/in-flight-suspend #vlv
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105583
-Chris