If a monitor only gives you the choice between, say, HDMI 2.0 and DisplayPort 1.2, HDMI could be the way to go for HDR support, as long as all your devices support the HDMI version.
One day, [mitxela] got bored and decided to build his own HDMI monitor – the unconventional way. HDMI has a few high-speed differential pairs, but it also has an I2C interface used for detecting ...
Let us know if you have any other ideas. Why won’t my monitor recognize HDMI? If an HDMI cable is connected, but your PC can still not recognize your monitor, it is likely a hardware issue.