How to get your Sony PS5 to talk 4K HDR RGB 120Hz on the BRAVIA X900H
How to get full 4k HDR and RGB colour modes working with the Sony PS5 and Bravia X900H series using HDMI 2.1. Solve: "4K HDR is not supported" and "When displaying 4K HDR content at 60Hz, the colour format will be YUV422 or YUV3V420 instead of RGB due to the HDMI 2.0 transfer speed limitations" errors.