From 3899ca844b82fb201fb764f56eec483acb59a29c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 18 Mar 2015 17:05:10 -0400
Subject: [PATCH] drm/radeon/dpm: fix 120hz handling harder

Need to expand the check to handle short circuiting
if the selected state is the same as current state.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=87796

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