From 6ac217eef5d46fe9e3d6f85ea2e303422615a18c Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Tue, 23 Feb 2016 10:22:52 +0100
Subject: [PATCH] drm/imx: ipuv3-plane: fix planar YUV 4:2:0 support
The driver already advertises multi-planar YUV support, but
previously the U/V offset and stride setup was missing.
Signed-off-by: Philipp Zabel
---
drivers/gpu/drm/imx/ipuv3-plane.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 70455d2f56eb..79df1847a365 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -312,6 +312,18 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc,
if (interlaced)
ipu_cpmem_interlaced_scan(ipu_plane->ipu_ch, fb->pitches[0]);
+ if (fb->pixel_format == DRM_FORMAT_YUV420) {
+ ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch,
+ ipu_plane->stride[1],
+ ipu_plane->u_offset,
+ ipu_plane->v_offset);
+ } else if (fb->pixel_format == DRM_FORMAT_YVU420) {
+ ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch,
+ ipu_plane->stride[1],
+ ipu_plane->v_offset,
+ ipu_plane->u_offset);
+ }
+
ipu_plane->w = src_w;
ipu_plane->h = src_h;