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tstellanova/jetson_hdmi_config.md

Last active May 26, 2021 10:30
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Enable and Disable HDMI display on Jetson TK1
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jetson_hdmi_config.md

All operations as root:

turn off HDMI:

echo -1 > /sys/kernel/debug/tegra_hdmi/hotplug
echo 4 > /sys/class/graphics/fb0/blank

turn on HDMI:

echo 1 > /sys/kernel/debug/tegra_hdmi/hotplug
echo 0 > /sys/class/graphics/fb0/blank
@vivekmids
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Is this safe to do in jetson tx2 as well?

@epleterte
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epleterte commented Mar 5, 2021 •
edited
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Seems to work well on TX2 as well (I'm turning it off - it hangs a bit sometimes, but that's because of i2c timeouts that I get rid of by disabling display that is not there and thus avoiding the polling).

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