diff mbox series

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

Message ID 20181114131353.29312-1-richard@puffinpack.se
State Accepted
Commit 4c2808fd06c3f75df302af6a1354f3ec12278980
Delegated to: Philipp Tomsich
Headers show
Series [U-Boot] rockchip: video: mipi: Fix phy frequency setting | expand

Commit Message

Richard Röjfors Nov. 14, 2018, 1:13 p.m. UTC
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@puffinpack.se>
---
 drivers/video/rockchip/rk_mipi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Philipp Tomsich Nov. 14, 2018, 1:30 p.m. UTC | #1
> On 14.11.2018, at 14:13, Richard Röjfors <richard.rojfors@gmail.com> wrote:
> 
> 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@puffinpack.se>

Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff mbox series

Patch

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)) {