From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 9 Apr 2013 22:49:59 +0000 (-0400)
Subject: drm/radeon: update wait_for_vblank for evergreen+
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~55^2~35^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10257a6d8359c41407eb26b7ad7bf710a7e00155;p=pandora-kernel.git

drm/radeon: update wait_for_vblank for evergreen+

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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