[Intel-gfx] [PATCH] drm/i915/guc: Clear enable_guc_loading in case of init failure

[Chris Wilson]

Quoting Michel Thierry (2017-06-03 00:46:54)
> And prevent calling i915_ggtt_disable_guc twice (the first when GuC init
> failed, and the second time during driver unload / intel_uc_fini_hw),
> and hitting the GEM_BUG_ON.
> 
> Fixes: 04f7b24eccdf ("drm/i915/guc: Assert that we switch between known
> ggtt->invalidate functions")

Go back to the earlier culprit; that is just the messenger.
-Chris