From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 3 Sep 2013 23:00:09 +0000 (-0400)
Subject: drm/radeon: add spinlocks for indirect register accesss
X-Git-Tag: v3.12-rc2~17^2~6^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a5b7b0bd97a212f5d8d28c5011b04a45dfb006e;p=pandora-kernel.git

drm/radeon: add spinlocks for indirect register accesss

This adds spinlocks to protect access to other
indirect register apertures.  These indirect spaces are
used pretty infrequently and we haven't had an reported
problems, but better safe than sorry.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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