Dear lazyfedi, I'm having a hard time searching for this (because, you know, search these days...), so I'd appreciate if someone has a source for this.
I seem to remember there are two digital display mode specs -- I want to think they're VESA and DVI -- and that, for example, older 360x200 console resolutions would be one, while newer stuff uses the other(but it's not tied to resolution). HDMI/DP support both at the protocol level, but a display would support one or both.
The reason I was thinking about this is I have an old 42" Insignia TV in my office, with a long HDMI cord attached to it. It's cheap and utterly unremarkable, except that it handles any old resolution you throw at it, making it a good corner-mounted bench monitor.
I was thinking it would be hard to replace these days, not because that functionality is uncommon (it may or may not be), but it would be hit or miss to find one when manufacturers don't advertise "GUARANTEED 360x200 COMPATIBILITY!"
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