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>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index 72a7cb47bd9f8a2e18d846185e9b7a0ee77dcefb..fb3ea4f95d4aa2e7cc8b6ea006d674c1c8cd9f55 100644 (file)
--- 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);