From af460bd8b098ba7617f2a5b76e4c36916c397700 Mon Sep 17 00:00:00 2001
From: Zheng Yang <zhengyang@rock-chips.com>
Date: Tue, 4 Aug 2015 18:07:54 +0800
Subject: [PATCH] hdmi:rk3288/rk3368: Reset tmdsclk after configure frame
composer regiseter.
It is required to perform a reset tmdsclk action on one of the frame composer
registers changed. Or transport video and audio sample may mistake.
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
---
.../video/rockchip/hdmi/rockchip-hdmiv2/rockchip_hdmiv2_hw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/video/rockchip/hdmi/rockchip-hdmiv2/rockchip_hdmiv2_hw.c b/drivers/video/rockchip/hdmi/rockchip-hdmiv2/rockchip_hdmiv2_hw.c
index 46023e399233..c1120f78c8cf 100755
--- a/drivers/video/rockchip/hdmi/rockchip-hdmiv2/rockchip_hdmiv2_hw.c
+++ b/drivers/video/rockchip/hdmi/rockchip-hdmiv2/rockchip_hdmiv2_hw.c
@@ -685,7 +685,8 @@ static int rockchip_hdmiv2_video_framecomposer(struct hdmi *hdmi_drv,
*/
hdmi_writel(hdmi_dev, FC_EXCTRLSPAC,
(hdmi_dev->tmdsclk/1000) * 50 / (256 * 512));
-
+ hdmi_msk_reg(hdmi_dev, MC_SWRSTZREQ,
+ m_TMDS_SWRST, v_TMDS_SWRST(0));
#if 0
/*Set PreambleFilter*/
for (i = 0; i < 3; i++) {
--
2.34.1