From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 5 Feb 2013 16:47:09 +0000 (-0500)
Subject: drm/radeon/dce6: fix display powergating
X-Git-Tag: v3.9-rc1~83^2~31^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e3d50bfcbd338254795a700dcff429a96cba1a6;p=pandora-kernel.git

drm/radeon/dce6: fix display powergating

Only enable it when we disable the display rather than
at DPMS time since enabling it requires a full modeset
to restore the display state.  Fixes blank screens in
certain cases.

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