From 818ed961e6ee7988829918b5dc41da14a05f5bc5 Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Mon, 15 Jun 2015 12:33:54 +0200
Subject: [PATCH] drm/i915: Make setting color key atomic.

By making color key atomic there are no more transitional helpers.
The plane check function will reject the color key when a scaler is
active.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by(IVB): Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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