[PATCH -next] gpu/drm/radeon: use DIV_ROUND_UP macro to do calculation

[Zheng Yongjun]

Don't open-code DIV_ROUND_UP() kernel macro.

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
 drivers/gpu/drm/radeon/r600_cs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 390a9621604a..a3aea5329712 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -219,7 +219,7 @@ int r600_fmt_get_nblocksx(u32 format, u32 w)
 	if (bw == 0)
 		return 0;
 
-	return (w + bw - 1) / bw;
+	return DIV_ROUND_UP(w, bw);
 }
 
 int r600_fmt_get_nblocksy(u32 format, u32 h)
@@ -233,7 +233,7 @@ int r600_fmt_get_nblocksy(u32 format, u32 h)
 	if (bh == 0)
 		return 0;
 
-	return (h + bh - 1) / bh;
+	return DIV_ROUND_UP(h, bh);
 }
 
 struct array_mode_checker {
-- 
2.22.0