rk3588 关闭 debug 串口 hdmiin 日志 signal not lock 刷屏

问题描述

rk3588，debug 串口每5s就会输出 hdmiin 日志，导致调试时刷屏：

[ 1759.517202] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing signal not lock, tmds_clk_ratio:0
[ 1759.517212] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing mu_st:0x0, scdc_st:0x0, dma_st10:0x10
[ 1765.235610] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing signal not lock, tmds_clk_ratio:0
[ 1765.235621] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing mu_st:0x0, scdc_st:0x0, dma_st10:0x10
[ 1770.759133] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing signal not lock, tmds_clk_ratio:0
[ 1770.759143] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing mu_st:0x0, scdc_st:0x0, dma_st10:0x10

解决方式

diff --git a/kernel/drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c b/kernel/drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
index 880752592..0e904ebe5 100644
--- a/kernel/drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
+++ b/kernel/drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
@@ -1534,10 +1534,10 @@ static int hdmirx_wait_lock_and_get_timing(struct rk_hdmirx_dev *hdmirx_dev)
 	}
 
 	if (i == WAIT_SIGNAL_LOCK_TIME) {
-		v4l2_err(v4l2_dev, "%s signal not lock, tmds_clk_ratio:%d\n",
-				__func__, hdmirx_dev->tmds_clk_ratio);
-		v4l2_err(v4l2_dev, "%s mu_st:%#x, scdc_st:%#x, dma_st10:%#x\n",
-				__func__, mu_status, scdc_status, dma_st10);
+		// v4l2_err(v4l2_dev, "%s signal not lock, tmds_clk_ratio:%d\n",
+		// 		__func__, hdmirx_dev->tmds_clk_ratio);
+		// v4l2_err(v4l2_dev, "%s mu_st:%#x, scdc_st:%#x, dma_st10:%#x\n",
+		// 		__func__, mu_status, scdc_status, dma_st10);
 
 		return -1;
 	}