From: Mark Yao <mark....@rock-chips.com>

When the input color format is YUV, we need to do some external scale
for CBCR. Like,
 * In YUV420 data format:
     cbcr_xscale = dst_w / src_w * 2;
     cbcr_yscale = dst_h / src_h * 2;
 * In YUV422 data format:
     cbcr_xscale = dst_w / src_w * 2;
     cbcr_yscale = dst_h / src_h;
 * In YUV444 data format
     cbcr_xscale = dst_w / src_w;
     cbcr_yscale = dst_h / src_h;

Signed-off-by: Yakir Yang <ykk at rock-chips.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 1c4d5b5..b28cda7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -324,9 +324,9 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const 
struct vop_win_data *win,
                            scl_cal_scale2(src_h, dst_h));
                if (is_yuv) {
                        VOP_SCL_SET(vop, win, scale_cbcr_x,
-                                   scl_cal_scale2(src_w, dst_w));
+                                   scl_cal_scale2(cbcr_src_w, dst_w));
                        VOP_SCL_SET(vop, win, scale_cbcr_y,
-                                   scl_cal_scale2(src_h, dst_h));
+                                   scl_cal_scale2(cbcr_src_h, dst_h));
                }
                return;
        }
-- 
1.9.1


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