From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 28 Nov 2011 19:49:26 +0000 (-0500)
Subject: drm/radeon/kms: add some loop timeouts in pageflip code
X-Git-Tag: v3.2-rc5~54^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f64964796dedca340608fb1075ab6baad5625851;p=pandora-kernel.git

drm/radeon/kms: add some loop timeouts in pageflip code

Avoid infinite loops waiting for surface updates if a GPU
reset happens while waiting for a page flip.

See:
https://bugs.freedesktop.org/show_bug.cgi?id=43191

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Reviewed-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Tested-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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