From: Mark Yao <mark.yao@rock-chips.com>
Date: Thu, 20 Aug 2015 09:15:11 +0000 (+0800)
Subject: rk_fb: video: fix YUV422/YUV422_10 uv_stride calc
X-Git-Tag: firefly_0821_release~3837
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4e34962ad0dea3049321a5413aa0c8e2a8ca5074;p=firefly-linux-kernel-4.4.55.git

rk_fb: video: fix YUV422/YUV422_10 uv_stride calc

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---

diff --git a/drivers/video/rockchip/rk_fb.c b/drivers/video/rockchip/rk_fb.c
index b2ca11d4dd5e..0355f3cb572f 100755
--- a/drivers/video/rockchip/rk_fb.c
+++ b/drivers/video/rockchip/rk_fb.c
@@ -1304,8 +1304,8 @@ static int rk_fb_pan_display(struct fb_var_screeninfo *var,
 	case YUV422_A:
 		is_pic_yuv = 1;
 		stride = stride_32bit_1;
-		uv_stride = stride_32bit_1 >> 1;
-		uv_x_off = xoffset >> 1;
+		uv_stride = stride_32bit_1;
+		uv_x_off = xoffset;
 		uv_y_off = yoffset;
 		fix->line_length = stride;
 		uv_y_act = win->area[0].yact >> 1;
@@ -2283,8 +2283,8 @@ static int rk_fb_set_win_buffer(struct fb_info *info,
 	case YUV422_A:
 		is_pic_yuv = 1;
 		stride = stride_32bit_1;
-		uv_stride = stride_32bit_1 >> 1;
-		uv_x_off = xoffset >> 1;
+		uv_stride = stride_32bit_1;
+		uv_x_off = xoffset;
 		uv_y_off = yoffset;
 		fix->line_length = stride;
 		uv_y_act = win_par->area_par[0].yact >> 1;
@@ -3129,8 +3129,8 @@ static int rk_fb_set_par(struct fb_info *info)
 	case YUV422_A:
 		is_pic_yuv = 1;
 		stride = stride_32bit_1;
-		uv_stride = stride_32bit_1 >> 1;
-		uv_x_off = xoffset >> 1;
+		uv_stride = stride_32bit_1;
+		uv_x_off = xoffset;
 		uv_y_off = yoffset;
 		fix->line_length = stride;
 		cblen = crlen = (xvir * yvir) >> 1;