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84f1b20f09
Code does read-modify-write but the read was outside the lock. It is fine since the caller holds struct mutex, but if we correct this we open up the opportunity for decreasing the mutex duration time since the call to ironlake_enable_drps does not need it any longer since it is covered by the mchdev_lock lock. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/1455186452-13691-2-git-send-email-tvrtko.ursulin@linux.intel.com |
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