From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 9 Apr 2013 22:32:01 +0000 (-0400)
Subject: drm/radeon: update wait_for_vblank for r1xx-r4xx
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~55^2~35^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b48b968c0d00aa5ab520b65a15a4f374cda7dda;p=pandora-kernel.git

drm/radeon: update wait_for_vblank for r1xx-r4xx

Properly wait for the next vblank region.  The previous
code didn't always wait long enough depending on the timing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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