Re: [PATCH] drm/i915: Take runtime pm reference on hangcheck_info

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On Thu, Feb 05, 2015 at 06:41:48PM +0200, Mika Kuoppala wrote:
> We read the coherent current seqno and actual head from ring.
> For hardware access we need to take runtime_pm reference.
> 
> Get hardware specific values with runtime reference held
> and print them first to emphasize hw state vs bookkeepping.
> 
> v2: Reorder output according to hw access (Chris)
>     remove superfluous locking (Daniel)
> 
> Testcase: igt/pm_rpm/debugfs-read
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88910
> Tested-by: Ding Heng <hengx.ding@xxxxxxxxx> (v1)
> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>

I'm happy with that:
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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