The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.

Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 drivers/media/v4l2-core/v4l2-dv-timings.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c 
b/drivers/media/v4l2-core/v4l2-dv-timings.c
index 4f23e93..2b399c0 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -757,7 +757,7 @@ bool v4l2_detect_gtf(unsigned frame_height,
        pix_clk = pix_clk / GTF_PXL_CLK_GRAN * GTF_PXL_CLK_GRAN;
 
        hsync = (frame_width * 8 + 50) / 100;
-       hsync = ((hsync + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN) * GTF_CELL_GRAN;
+       hsync = DIV_ROUND_CLOSEST(hsync, GTF_CELL_GRAN) * GTF_CELL_GRAN;
 
        h_fp = h_blank / 2 - hsync;
 
-- 
1.7.12.4

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