Merge branch 'drm-radeon-lockup' into drm-core-next

* drm-radeon-lockup:
  drm/radeon/kms: simplify & improve GPU reset V2
  drm/radeon/kms: rename gpu_reset to asic_reset
  drm/radeon/kms: fence cleanup + more reliable GPU lockup detection V4

Conflicts:
	drivers/gpu/drm/radeon/r300.c