[mdlug] How to determine what version of HDMI or DisplayPort spec is in use?

[Carl T. Miller]

Have you tried dmidecode and/or lshdwe?  They might
have the information you want.

c


Ingles, Raymond wrote:
> The Oculus Rift being priced beyond my impulsiveness, I decided to put the
> money I'd saved up into a new monitor instead. I should have an Acer
> G257HU waiting for me when I get home tonight. The specs and reviews for
> it are quite good for the price, and the downsides (poor speakers and
> stand) are not relevant for me. However, I can't find any documentation on
> the exact version of HDMI and DisplayPort it uses.
>
> I know it's at least HDMI 1.3 and DisplayPort 1.1, because they are
> sufficient for 2560x1440 at 60Hz. But I'd be interested to find out if it
> supports, say, HDMI 1.4 or DisplayPort 1.2. I've done a bit of searching,
> and I can't find any way to determine that - not xrandr, nor
> get-edid/parse-edid, etc. You can easily find out that monitors are hooked
> up via VGA, or DVI, or HDMI, or DP - but not the *versions* of those
> interconnects.
>
> Anyone know a way to find that out?
>
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