From 6b57f20cb5b708415fbab63847f8f8429b051af8 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 31 Jul 2014 18:07:17 -0400
Subject: [PATCH] drm/radeon/dpm: handle voltage info fetching on hawaii

Some hawaii cards use a different method to fetch the
voltage info from the vbios.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=74250

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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