From: hjc <hjc@rock-chips.com>
Date: Fri, 12 Sep 2014 09:44:03 +0000 (+0800)
Subject: rk3036 hdmi: fix hdmi display error when TV power down and power up
X-Git-Tag: firefly_0821_release~4714
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=e0c93ffd0ad917e2614f9ed895f1c7643ba266c4;p=firefly-linux-kernel-4.4.55.git

rk3036 hdmi: fix hdmi display error when TV power down and power up
---

diff --git a/drivers/video/rockchip/hdmi/chips/rk3036/rk3036_hdmi_hw.c b/drivers/video/rockchip/hdmi/chips/rk3036/rk3036_hdmi_hw.c
index bffef81b3bbf..92adb978f09d 100755
--- a/drivers/video/rockchip/hdmi/chips/rk3036/rk3036_hdmi_hw.c
+++ b/drivers/video/rockchip/hdmi/chips/rk3036/rk3036_hdmi_hw.c
@@ -347,7 +347,9 @@ static int rk3036_hdmi_video_csc(struct hdmi *hdmi_drv,
 		} else {
 			value = v_SOF_DISABLE;
 			hdmi_writel(hdmi_dev, VIDEO_CONTRL3, value);
-			hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL, m_VIDEO_AUTO_CSC, v_VIDEO_AUTO_CSC(0));
+			hdmi_msk_reg(hdmi_dev, VIDEO_CONTRL,
+				     m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_EXCHANGE,
+				     v_VIDEO_AUTO_CSC(0) | v_VIDEO_C0_C2_EXCHANGE(1));
 		}
 	}