From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 15:32:29 +0000 (-0400)
Subject: drm/radeon/kms/pm: don't enable pm if there is only on power state
X-Git-Tag: v2.6.35-rc1~451^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90c3905950021a9b37ac1a4dd78225881f4c61e4;p=pandora-kernel.git

drm/radeon/kms/pm: don't enable pm if there is only on power state

Just adds overhead when the power state will never change.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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