[PATCH 1/5] drm/radeon: rework and fix reset detection v2

[Christian König]

Am 03.11.2013 13:15, schrieb Rafał Miłecki:
> 2013/10/29 Christian König <deathsimple at vodafone.de>:
>> From: Christian König <christian.koenig at amd.com>
>>
>> Stop fiddling with jiffies, always wait for RADEON_FENCE_JIFFIES_TIMEOUT.
>> Consolidate the two wait sequence implementations into just one function.
>> Activate all waiters and remember if the reset was already done instead of
>> trying to reset from only one thread.
> With this patch I can't suspend my Samsung with:
> 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD]
> nee ATI Blackcomb [Radeon HD 6900M series] [1002:6720]
> anymore.
>
> The backlight goes off, activity LED goes off and then nothing.
> Machine is still running and other lights (power, wifi, keyboard,
> touchpad) are still working. Seems like a lockup to me.

Does the attached patch help?

Cheers,
Christian.
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