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drm/exynos: use DIV_ROUND_CLOSEST to find the closest div

Message ID 1455199880-4426-1-git-send-email-parkch98@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Chanho Park Feb. 11, 2016, 2:11 p.m. UTC 
From: Chanho Park <chanho61.park@samsung.com>

This patch uses DIV_ROUND_CLOSEST instead of DIV_ROUND_UP
The DIV_ROUND_CLOSEST can be used to find the closest integer
value when we divide some integers.

Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 4fb2952..da97f93 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -383,7 +383,7 @@  static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
 	}
 
 	/* Find the clock divider value that gets us closest to ideal_clk */
-	clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk);
+	clkdiv = DIV_ROUND_CLOSEST(clk_get_rate(ctx->lcd_clk), ideal_clk);
 
 	return (clkdiv < 0x100) ? clkdiv : 0xff;
 }