From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Subject: Re: [PATCH v2 4/4] drm/nouveau: gpu lockup recovery
Date: Wed, 25 Apr 2012 23:32:58 +0200
Message-ID: <20120425213258.GA13173@joi.lan>
References: <1335388836-13127-4-git-send-email-marcin.slusarz@gmail.com>
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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@gmail.com>
> ---

What changed from v1:
- moved ioctl locking from drm core to nouveau
- made down_reads interruptible
- fixed build bug on 32-bit systems