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>

1 files changed, 2 insertions, 0 deletions

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);