From 47348661c4e03480dc99a29c371b5fa930d1bb55 Mon Sep 17 00:00:00 2001
From: Philipp Zabel <p.zabel@pengutronix.de>
Date: Mon, 14 Apr 2014 23:53:18 +0200
Subject: [PATCH] imx-drm: ipu-dmfc: wait for FIFOs to run empty before
 disabling

Disabling the DMFC module while there is still data in the FIFOs could
cause the "new frame before end of frame" error state when the DMFC is
enabled again.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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