drm/i915/guc: Remove obsolete comments and remove unused variable
Originally removed in: c1adab97 ("drm/i915/guc: Remove failed doorbell stat from debugfs") f1448a62 ("drm/i915/guc: Remove last submission result from debugfs") Were accidentally restored in: 925344cc ("BackMerge tag 'v4.12-rc5' into drm-next") We can also remove unused variable and replace it with a WARN. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20170914083216.10192-1-michal.winiarski@intel.comSigned-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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