On Tue, Feb 02, 2016 at 11:06:27AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
> 
> 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.ursu...@intel.com>
> Cc: Daniel Vetter <daniel.vet...@ffwll.ch>

Makes sense,
Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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