From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 8 Jul 2013 21:20:13 +0000 (-0400)
Subject: drm/radeon/dpm: fix display_gap programming on rv7xx
X-Git-Tag: v3.11-rc1~65^2^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=222dc9a072e27b5069a7c03738e360eafdc2fdf5;p=pandora-kernel.git

drm/radeon/dpm: fix display_gap programming on rv7xx

Check the driver state rather than the register as the
crtc registers may not be enabled yet.

Should fix:
https://bugzilla.kernel.org/show_bug.cgi?id=60510
https://bugs.freedesktop.org/show_bug.cgi?id=66651

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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