[Nouveau] [PATCH v2 4/4] drm/nouveau: gpu lockup recovery

Martin Peres martin.peres at free.fr
Mon Apr 30 02:47:46 PDT 2012


Le 28/04/2012 16:56, Marcin Slusarz a écrit :
> On Wed, Apr 25, 2012 at 11:20:36PM +0200, Marcin Slusarz wrote:
>> Overall idea:
>> Detect lockups by watching for timeouts (vm flush / fence), return -EIOs,
>> handle them at ioctl level, reset the GPU and repeat last ioctl.
>>
>> GPU reset is done by doing suspend / resume cycle with few tweaks:
>> - CPU-only bo eviction
>> - ignoring vm flush / fence timeouts
>> - shortening waits
>>
>> Signed-off-by: Marcin Slusarz<marcin.slusarz at gmail.com>
>> ---
> Martin,
>
> I'm wondering how below patch (which builds upon the above) affects
> reclocking stability. I can't test it on my card, because it has only
> one performance level. Can you test it on yours?
Hi Marcin,

I was away from my computers for a few days. I'll test this patch tonight.

Martin



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