From a8ad0d8e179945a7c714fce834207e39d2957d9f Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Tue, 21 Apr 2015 17:12:51 +0300
Subject: [PATCH] drm/i915: Add a way to disable planes without updating state

This is used by the next commit to disable all planes on a crtc
without caring what type it is.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed