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# modetest -s 34:480x800
And voilà:
Now if we plug an HDMI screen to the HDMI connector, the modetest output about connector 29 changes as the connector is no longer disconnected:
| Codeblock | ||||
|---|---|---|---|---|
| ||||
Connectors:
id |
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encoder status name |
...
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...
|
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size ( |
...
mm) |
...
...
|
...
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...
|
...
|
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modes |
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encoders 32 0 connected HDMI-A-1 520x320 3 31 modes: index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot #0 1280x720 60.00 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, pvsync; type: driver #1 800x600 75.00 800 816 896 1056 600 601 604 625 49500 flags: phsync, pvsync; type: driver #2 720x480 59.94 720 736 798 858 480 489 495 525 27000 flags: nhsync, nvsync; type: driver props: 1 EDID: flags: immutable blob blobs: value: 00ffffffffffff0009d10a7845540000 1d120103803420782ec5c4a3574a9c23 124f52a56b807100810095008180b300 a940d1000101283c80a070b023403020 360007442100001a000000ff00463738 30303937345a4c300a20000000fd0032 551f5e11000a202020202020000000fc 0042656e51204732343030570a2001e6 02031af14604900301850766030c0010 00008301000023090707011d007251d0 1e206e285500c48e2100001f011d8018 711c1620582c2500c48e2100009e8c0a d08a20e02d10103e9600c48e21000019 023a801871382d40582c4500c48e2100 0006d60980a020e02d1008602200128e 2108081800000000000000000000002c 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: |
So we can ask modetest to display a 1280×720 picture on the HDMI screen:
# modetest -s 3432:1280x720
Enabling Qt5 support in Buildroot
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