This fixed by,
commit d528a6a0f3fd346bd7cc2de611a4149b6ebaab41 Author: Mika Kuoppala <email address hidden> Date: Tue Apr 5 15:56:16 2016 +0300
drm/i915/skl: Fix rc6 based gpu/system hang
This fixed by,
commit d528a6a0f3fd346 bd7cc2de611a414 9b6ebaab41
Author: Mika Kuoppala <email address hidden>
Date: Tue Apr 5 15:56:16 2016 +0300
drm/i915/skl: Fix rc6 based gpu/system hang