[U-Boot] [PATCH] rockchip: video: mipi: Fix phy frequency setting

Richard Röjfors richard.rojfors at gmail.com
Wed Nov 14 13:13:53 UTC 2018


There was an incorrect check when looping and finding the first
fast enough frequency in the freq_rang table. The code did
actually return the first that was either exactly correct or
too slow.

Signed-off-by: Richard Röjfors <richard at puffinpack.se>
---
 drivers/video/rockchip/rk_mipi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/rockchip/rk_mipi.c b/drivers/video/rockchip/rk_mipi.c
index 4fe8f47441..4fc8c1f3b5 100644
--- a/drivers/video/rockchip/rk_mipi.c
+++ b/drivers/video/rockchip/rk_mipi.c
@@ -241,7 +241,7 @@ int rk_mipi_phy_enable(struct udevice *dev)
 
 	/* select the suitable value for fsfreqrang reg */
 	for (i = 0; i < ARRAY_SIZE(freq_rang); i++) {
-		if (ddr_clk / (MHz) >= freq_rang[i][0])
+		if (ddr_clk / (MHz) <= freq_rang[i][0])
 			break;
 	}
 	if (i == ARRAY_SIZE(freq_rang)) {
-- 
2.19.1



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