From 49785e25816b0567112ba599504c3b78901a7db4 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Tue, 9 Dec 2014 22:45:11 +0200
Subject: [PATCH] drm: rcar-du: Configure pitch for chroma plane of multiplanar
formats
The PnMWR register containing the plane stride must be programmed with
correct stride values for both the luma and chroma planes when using a
multiplanar format. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
---
drivers/gpu/drm/rcar-du/rcar_du_plane.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index 72a7cb47bd9f..fb3ea4f95d4a 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -130,6 +130,8 @@ void rcar_du_plane_update_base(struct rcar_du_plane *plane)
if (plane->format->planes == 2) {
index = (index + 1) % 8;
+ rcar_du_plane_write(rgrp, index, PnMWR, plane->pitch);
+
rcar_du_plane_write(rgrp, index, PnSPXR, plane->src_x);
rcar_du_plane_write(rgrp, index, PnSPYR, plane->src_y *
(plane->format->bpp == 16 ? 2 : 1) / 2);
--
2.34.1