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【Linux】
RK3568 HDMI热插拔无视频输出
发表于 2021-12-24 17:22:18
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查看 VOP 状态:
[root@RK356X:/]# cat /sys/kernel/debug/dri/0/summary
Video Port0: ACTIVE
Connector: HDMI-A-1
bus_format[2025]: YUV8_1X24
overlay_mode[1] output_mode[f] color_space[3]
Display mode: 1920x1080p60
clk[148500] real_clk[148500] type[48] flag[5]
H: 1920 2008 2052 2200
V: 1080 1084 1089 1125
Smart0-win0: ACTIVE
win_id: 0
format: XR24 little-endian (0x34325258) SDR[0] color_space[0] glb_alpha[0xff]
rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0
csc: y2r[0] r2y[1] csc mode[1]
zpos: 0
src: pos[0, 0] rect[1920 x 1080]
dst: pos[0, 0] rect[1920 x 1080]
buf[0]: addr: 0x0000000000fd2000 pitch: 7680 offset: 0
查看 Connector 状态:
[root@RK356X:/]# cat /sys/class/drm/card0-HDMI-A-1/status
connected
查看 HDMI 工作状态:
[root@RK356X:/]# cat /sys/kernel/debug/dw-hdmi/status
PHY: disabled
固件是萤火虫提供的Buildroot
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