MLK-16158-5 video: fbdev: adv7535: refine low refresh settings

Use the 'refresh' in video mode to determine to set
low refresh config for adv7535 wheter or not.

Signed-off-by: Fancy Fang <chen.fang@nxp.com>

diff --git a/drivers/video/fbdev/mxc/adv7535.c b/drivers/video/fbdev/mxc/adv7535.c
index c232810..f47378f 100644 (file)
--- a/drivers/video/fbdev/mxc/adv7535.c
+++ b/drivers/video/fbdev/mxc/adv7535.c
@@ -216,7 +216,8 @@ static int adv7535_vmode_cfg(struct adv7535_info *info)
 
 #ifdef CONFIG_FB_IMX64
        /* low refresh rate */
-       adv7535_write_reg(0x4A, 0x8C);
+       if (fb_vmode->refresh < 50)
+               adv7535_write_reg(0x4A, 0x8C);
 #else
        adv7535_write_reg(0x17, 0x60); /* VS & HS Low Polarity, DE disabled */
 #endif