BSP:BSP-Yocto-FSL-i.MX8MP-ALPHA2 及以上的版本
BSP的weston默认显示在HDMI, 如果要修改为其他显示设备, 需要修改weston的配置文件:
[output]
name=HDMI-A-1
mode=off # 如要使能LVDS-1, 需要将current改为off
[output]
name=LVDS-1
mode=current # 如要使能LVDS-1, 需要将off改为current
可使用modetest查找当前的显示设备信息
root@phyboard-pollux-imx8mp-1:~# modetest
trying to open device 'i915'...failed
trying to open device 'amdgpu'...failed
trying to open device 'radeon'...failed
trying to open device 'nouveau'...failed
trying to open device 'vmwgfx'...failed
trying to open device 'omapdrm'...failed
trying to open device 'exynos'...failed
trying to open device 'tilcdc'...failed
trying to open device 'msm'...failed
trying to open device 'sti'...failed
trying to open device 'tegra'...failed
trying to open device 'imx-drm'...done
Encoders:
id crtc type possible crtcs possible clones
38 33 LVDS 0x00000001 0xffffffff
37 0 TMDS 0x00000002 0x00000000
Connectors:
id encoder status name size (mm) modes encoders
39 38 connected LVDS-1 216x135 1 38
modes:
index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
#0 1280x800 59.07 1280 1380 1399 1440 800 804 808 823 70000 flags: phsync, pvsync; type: preferred, driver
props:
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
40 0 disconnected HDMI-A-1 0x0 0 37
props:
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
CRTCs:
id fb pos size
33 43 (0,0) (1280x800)
#0 1280x800 59.07 1280 1380 1399 1440 800 804 808 823 70000 flags: phsync, pvsync; type: preferred, driver
props:
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
36 0 (0,0) (0x0)
#0 nan 0 0 0 0 0 0 0 0 0 flags: ; type:
props:
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
Planes:
id crtc fb CRTC x,y x,y gamma size possible crtcs
31 33 43 0,0 0,0 0 0x00000001
formats: XR24 AR24 RG16 XB24 AB24 AR15 XR15
props:
8 type:
flags: immutable enum
enums: Overlay=0 Primary=1 Cursor=2
value: 1
32 zpos:
flags: immutable range
values: 0 0
value: 0
34 0 0 0,0 0,0 0 0x00000002
formats: XR24 AR24 RG16 XB24 AB24 AR15 XR15
props:
8 type:
flags: immutable enum
enums: Overlay=0 Primary=1 Cursor=2
value: 1
35 zpos:
flags: immutable range
values: 0 0
value: 0
Frame buffers:
id size pitch
