From 4b96b70cfa465550eb9d7112c28e8b5a4093e022 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Mon, 31 Mar 2014 01:50:16 +0200
Subject: [PATCH] drm: rcar-du: Replace direct DRM encoder access with cast
 macro

Add a new macro to downcast an rcar_du_encoder pointer to a drm_encoder
pointer and use it. This prepares for the replacement of the
rcar_drm_encoder encoder field with a drm_slave_encoder.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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