[Intel-gfx] [PATCH] drm/i915: Take runtime pm reference on hangcheck_info

Jani Nikula jani.nikula at linux.intel.com
Mon Feb 9 04:31:26 PST 2015


On Thu, 05 Feb 2015, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> 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 at intel.com> (v1)
>> Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
>
> I'm happy with that:
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Pushed to drm-intel-next-fixes, thanks for the patch and review.

BR,
Jani.


> -Chris
>
> -- 
> Chris Wilson, Intel Open Source Technology Centre
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-- 
Jani Nikula, Intel Open Source Technology Center


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