So it looks like the only solution to Nvidia not passing 4:4:4 color is to buy an active DP/HDMI adapter : r/nvidia
Lost option to select yCbCr 420 | NVIDIA GeForce Forums
Nvidia cards don't display full RGB color via HDMI - here's a fix - Tech News - Linus Tech Tips
Correcting HDMI Colour on Nvidia and AMD GPUs | PC Monitors
YCbCr444 vs RGB: Which Color Space is Better in 2022 | RG
Correcting HDMI Colour on Nvidia and AMD GPUs | PC Monitors
RGB vs YCbCr444 in Nvidia Control Panel | [H]ard|Forum
Dithering option? | Page 4 | guru3D Forums
Tip for nVidia users using HDMI and | NVIDIA GeForce Forums
Confused about new setup (HDR+Freesync on Nvidia GPU) : r/ultrawidemasterrace
RGB: Full vs. Limited – ReferenceHT
YCbCr444 vs RGB: Which Color Space is Better in 2022 | RG
Gamescom Game Ready Driver Improves Performance By Up To 23%, And Brings New Ultra-Low Latency, Integer Scaling and Image Sharpening Features | GeForce News | NVIDIA
Nvidia Control Panel keeps setting c | NVIDIA GeForce Forums