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While we need to flush the wakeref before parking, we do not need to perform the i915_gem_park() itself underneath the wakeref lock, merely the struct_mutex. If we rearrange the locks, we can avoid the unnecessary tainting. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614220616.24932-1-chris@chris-wilson.co.uk