From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 23 Sep 2010 16:45:39 +0000 (+0100)
Subject: drm/i915/ringbuffer: Fix sign of ring space.
X-Git-Tag: v2.6.37-rc1~92^2~28^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=780f0ca3e0cd3f0677d9149b7e14bf0878d1dbdc;p=pandora-kernel.git

drm/i915/ringbuffer: Fix sign of ring space.

As we presume space is signed when computing and looking for wrap along,
make it so.

Reported-by: Owain G. Ainsworth <zerooa@googlemail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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