|
|
发表于 2023-3-29 16:23:39
楼主
用dp作多屏拼接的时候，发现video port2，在不插入dp线的时候会，dp驱动会报超时的问题，而且还可以获取到分辨率
[ 23.967064] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] Update mode to 1024x768p60, type: 10(if:600) for vp2 dclk: 65000000
[ 23.967332] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] dclk_out2 div: 2 dclk_core2 div: 1
[ 23.967521] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] set dclk_vop2 to 32500000, get 32500000
[ 23.978572] dw-dp fde60000.dp: full-training link: 2 lanes at 2700 MHz
[ 32.500124] dw-dp fde60000.dp: failed to configure DP link: -110
[ 32.500146] dw-dp fde60000.dp: full link training failed: -110
[ 32.500152] dw-dp fde60000.dp: link training failed: -110
[ 32.500157] dw-dp fde60000.dp: failed to enable link: -110
[ 32.511270] dw-dp fde50000.dp: full-training link: 2 lanes at 2700 MHz
[ 41.033466] dw-dp fde50000.dp: failed to configure DP link: -110
[ 41.033490] dw-dp fde50000.dp: full link training failed: -110
[ 41.033495] dw-dp fde50000.dp: link training failed: -110
[ 41.033500] dw-dp fde50000.dp: failed to enable link: -110
下面是vp2上显示的dp，但是我根本没插线啊。
root@301-0045:~# cat /sys/kernel/debug/dri/0/summary
Video Port0: DISABLED
Video Port1: DISABLED
Video Port2: ACTIVE
Connector: DP-1
bus_format[100a]: RGB888_1X24
overlay_mode[0] output_mode[f] color_space[0], eotf:0
Display mode: 1024x768p60
clk[65000] real_clk[65000] type[0] flag[a]
H: 1024 1048 1184 1344
V: 768 771 777 806
Esmart2-win0: ACTIVE
win_id: 9
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[0] csc mode[0]
zpos: 2
src: pos[0, 0] rect[1024 x 768]
dst: pos[0, 0] rect[1024 x 768]
buf[0]: addr: 0x00000000ee8c4000 pitch: 4096 offset: 0
Video Port3: DISABLED
root@301-0045:~#
|
|
