From: Marcin Slusarz <marcin.slusarz@gmail.com>
To: nouveau@lists.freedesktop.org, Ben Skeggs <bskeggs@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 4/4] drm/nouveau: gpu lockup recovery
Date: Wed, 25 Apr 2012 23:32:58 +0200 [thread overview]
Message-ID: <20120425213258.GA13173@joi.lan> (raw)
In-Reply-To: <1335388836-13127-4-git-send-email-marcin.slusarz@gmail.com>
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
next prev parent reply other threads:[~2012-04-25 21:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-25 21:20 [PATCH v2 4/4] drm/nouveau: gpu lockup recovery Marcin Slusarz
2012-04-25 21:32 ` Marcin Slusarz [this message]
[not found] ` <1335388836-13127-4-git-send-email-marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-04-26 7:32 ` Ben Skeggs
2012-04-28 14:49 ` Marcin Slusarz
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