it's a bit I don't follow the forum but I have been busy with work and moving houses I have got myself a new Samsung QLED tv and I'm trying to understand how and if I can get HDR working.
My 905x box (Zenbox) is connected to my Yamaha AVR, CEC is enabled everywhere and I'm able to use a 4k resolution in the UI (but I'm keeping it at 1080p as it's faster).
However, if I do: echo '444,10bit' > /sys/class/amhdmitx/amhdmitx0/attr, the screen will become black and eventually the TV will show no signal.
Question: Should I keep the UI at 4k in order to run the echo command? Am I missing something else? I have tried to read most of the threads here but I'm still confused