From: Zheng Yang <zhengyang@rock-chips.com>
Date: Thu, 10 May 2012 06:17:17 +0000 (+0800)
Subject: rk30 hdmi: disable csc when output color mode is same to input color mode.
X-Git-Tag: firefly_0821_release~9208
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=507e8161a9c9e277dab95769af0e456d057cc155;p=firefly-linux-kernel-4.4.55.git

rk30 hdmi: disable csc when output color mode is same to input color mode.
---

diff --git a/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c b/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
index 9c75c3031c41..364caad800ec 100755
--- a/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
+++ b/drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
@@ -299,6 +299,7 @@ static void rk30_hdmi_config_csc(struct rk30_hdmi_video_para *vpara)
 	if( ((vpara->input_color == VIDEO_INPUT_COLOR_RGB) && (vpara->output_color == VIDEO_OUTPUT_RGB444)) ||
 		((vpara->input_color == VIDEO_INPUT_COLOR_YCBCR) && (vpara->output_color != VIDEO_OUTPUT_RGB444) ))
 	{
+		HDMIWrReg(AV_CTRL2, v_CSC_ENABLE(0));
 		HDMIWrReg(CSC_CONFIG1, v_CSC_MODE(CSC_MODE_AUTO) | v_CSC_BRSWAP_DIABLE(1));
 		return;
 	}