From: Inki Dae <inki.dae@samsung.com>
Date: Fri, 17 Aug 2012 08:58:38 +0000 (+0900)
Subject: drm/exynos: update crtc to plane safely
X-Git-Tag: v3.7-rc1~86^2~1^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b85a0715f4615f953733c4afa6ec59cd0e73b52;p=pandora-kernel.git

drm/exynos: update crtc to plane safely

if old_crtc isn't same as encoder->crtc then it means that
user changed crtc id to another one so a plane to old_crtc
should be disabled so that current plane can be updated safely
and plane->crtc should be set to new crtc(encoder->crtc)

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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