It's so annoying that many monitors (e.g. common LG models) have 1x DP and 2x HDMI.

I have one of those LG monitors, although mine has a usb-c input which also handles display-port (so it's 2xDP + 2xHDMI).

What really bugs me with HDMI is that monitors and computers never seem to agree on the image standard and for some reason always default to washed-out colours, even when connecting a PC to a PC monitor (as opposed to a TV).

Under Linux/X11 I know how to set it in full range mode [0], but I was using such a monitor at home and connected it the HDMI output of my gaming PC (Radeon GPU) and couldn't figure out how to fix the washed-out colours. In the end I bit the bullet and bought a display-port switch.

Now windows complains about the "limited display connectivity" (the monitor has a USB hub whose upstream is the usb-c/dp connector), but at least the colours look OK.

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[0] `xrandr --output HDMI1 --set "Broadcast RGB" "Full"` IIRC

I have a monitor with 1xDP and 2xHDMI and it's perfect. I use the DP for my desktop, one HDMI for my laptop dock, and the other HDMI for anything I might choose to use instead (console being the only thing I've used so far)