I have a custom carrier board that has HPD in active high, I read on forums post about TX2 that we need to edit the device tree in kernel sources and rebuild it. However, Xavier NX is t19x platform right? I cannot find where exactly to edit the dtsi files.
Why do you need to change HDMI HPD polarity? The default setting should match your hardware design.
Did you make a inverted hardware so you want to change the device tree?
How about you figure out which is your dts running on your board first?
Hi @WayneWWW, thanks!
I found that the source files for Jetson Xavier NX are located in:
For easy reference:
We have to do
dmesg | grep dts
on the Jetson terminal
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