From: Zheng Yang <zhengyang@rock-chips.com>
Date: Thu, 12 Jul 2012 09:31:05 +0000 (+0800)
Subject: rk30 hdmi: lower ddc frequency to pass hdmi cts.
X-Git-Tag: firefly_0821_release~9013
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=85961a9a250f8dc5e750b5219061c089893b61fb;p=firefly-linux-kernel-4.4.55.git

rk30 hdmi: lower ddc frequency to pass hdmi cts.
---

diff --git a/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c b/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
index 656c36adce1a..8cb76ebfb14d 100755
--- a/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
+++ b/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
@@ -70,7 +70,7 @@ int rk30_hdmi_detect_hotplug(void)
 		return HDMI_HPD_REMOVED;
 }
 
-#define HDMI_EDID_DDC_CLK	100000
+#define HDMI_EDID_DDC_CLK	90000
 int rk30_hdmi_read_edid(int block, unsigned char *buff)
 {
 	int value, ret = -1, ddc_bus_freq = 0;