Not sure if this is of interest, one of the reasons I got the RK3588 was for hdmi input capability as I’ve spent a fair amount of time debugging HDMI issues for one reason or another. Anyway I finally got round to developing a utility to function as a very basic anaylzer and/or up/down scaler. More info here .
Simple HDMI analyser
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Very nice, hats off. Please any chances of github source code, at least for the core part handling the HDMI RX? Thanks.