drm/radeon/kms/pm: don't enable pm if there is only on power state
authorAlex Deucher <alexdeucher@gmail.com>
Wed, 24 Mar 2010 15:32:29 +0000 (11:32 -0400)
committerDave Airlie <airlied@redhat.com>
Tue, 18 May 2010 08:21:05 +0000 (18:21 +1000)
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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