您好! 问题描述如下: 1.使用3588q 核心板接rk的公板上,公板上的HDMI IN接口接相机, 核心板运行后, 串口不会出现下面的打印问题: root@rk3588:/dev# [ 1496.773143] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing signal not lock, tmds_clk_ratio:0 [ 1496.773158] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing mu_st:0x0, scdc_st:0x0, dma_st10:0x10 [ 1497.041653] rk_hdmirx fdee0000.hdmirx-controller: hdmirx_phy_config wait hdmi disable ack failed! [ 1497.041679] rk_hdmirx fdee0000.hdmirx-controller: hdmirx_audio_interrupts_setup: 1 使用rk自带sdk里的v4l2-ctl 工具可以获取到视频流; 2.把3588q 核心板接公司做的的底板上,底板上的HDMI IN接口接相机, 核心板运行后, 串口不断出现下面的打印: root@rk3588:/dev# [ 1496.773143] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing signal not lock, tmds_clk_ratio:0 [ 1496.773158] fdee0000.hdmirx-controller: hdmirx_wait_lock_and_get_timing mu_st:0x0, scdc_st:0x0, dma_st10:0x10 [ 1497.041653] rk_hdmirx fdee0000.hdmirx-controller: hdmirx_phy_config wait hdmi disable ack failed! [ 1497.041679] rk_hdmirx fdee0000.hdmirx-controller: hdmirx_audio_interrupts_setup: 1 参考 rk3588 sdk 里自带的HDMI-IN里Rockchip_Developer_Guide_HDMI_RX_CN.pdf 的8.4 HDMI IN信号不锁定问题 root@rk3588:/mnt# io -4 -l 0xc 0xfdee0594 fdee0594: 00000000 00000000 00000000 HDMI插入时 console:/ # io -4 0xfdee0050 fdee0150: 00000001 // bit0:1表示HPD拉高,0表示HPD拉低 HDMI拔出时 root@rk3588:/mnt# io -4 0xfdee0050 fdee0050: 00000000 // bit0:1表示HPD拉高,0表示HPD拉低 root@rk3588:/mnt# 说明HPD是配置好地, v4l2-ctl -d /dev/video11 --query-dv-timings 查询也出现异常,如下: root@rk3588:/mnt# v4l2-ctl -d /dev/video11 --query-dv-timings [ 500.802609] fdee0000.hdmirx-controller: hdmirx_query_dv_timings sVIDIOC_QUERY_DV_TIMINGS: failed: No locks available Active wiidth: 0 Active height: 0 Total gwidth: 0 Total height: 0 Fnrame format: progressive Polaarities: -vsync -hsync Pixelclock: 0 Hz Horizontal frontporlch: 0 Horizontal sync: 0 H orizontal backporch: 0 Verticsal frontporch: 0 Vertical syn noc: 0 Vertical backporch: 0 tStandards: Flags: locked! v4l2-ctl 工具获取不到视频流; |
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hrmirx timing signal not lock.zip
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