From a48b9b4edb8bb87deb13b9f088a595cf71457b69 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 14:03:55 -0400
Subject: [PATCH] drm/radeon/kms/pm: add asic specific callbacks for getting
 power state (v2)

This also simplifies the code and enables reclocking with multiple heads
active by tracking whether the power states are single or multi-head
capable.

Eventually, we will want to select a power state based on external
factors (AC/DC state, user selection, etc.).

(v2) Update for evergreen

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