Don't mind me, I'm just sitting here with my HDMI-RX port on rk3588 being happy that is works and I didn't brick the board when doing uboot update to uncurse it.
Lucy, esplain please.
rockchip something-or-other that's on the KiwiPi 5B. iirc it can strip hdcp and all that jazz, too? one of the ports is labeled "HDMI RX" for input.
https://kiwipi.com/blog/rk3588-hdmi-in-test/
Man, that article has _all_ the AI smells. Here's the only interesting part:
gst-launch-1.0 v4l2src device=/dev/video0 ! videoconvert ! autovideosink sync=false