From: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Date: Mon, 3 Mar 2014 23:42:44 +0000 (+0100)
Subject: drm/i915: Don't just say it, actually force edp vdd
X-Git-Tag: v3.15-rc1~51^2~55^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3064154dfd37deb386b1e459c54e1ca2460b3d5;p=pandora-kernel.git

drm/i915: Don't just say it, actually force edp vdd

This patch fixes the blank screen bug introduced in 3.14-rc1 on the
MacBook Air 6,2. The comments state that we need to force edp vdd so
lets put it back.

The regression was introduced by the following commit:

commit dff392dbd258381a6c3164f38420593f2d291e3b
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Fri Dec 6 17:32:41 2013 -0200

    drm/i915: don't touch the VDD when disabling the panel

v2: Wrap intel_disable_dp() with _vdd_on and _vdd_off

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74628
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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