From 565ee3897f0cb1e9b09905747b3784e6605767e8 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Wed, 13 Nov 2013 12:56:29 +0200
Subject: [PATCH] drm/i915: do not save/restore backlight registers in KMS

The backlight enable code now has the smarts to do the right thing. Only
do backlight register save/restore in UMS.

Some VLV specific code gets dropped as UMS is not supported on VLV.

v2: Move save/restore to UMS instead of removing completely (Daniel).

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed