This is a most excellent place for technology news and articles.
Not all software available on Linux is open source. NVIDIA drivers for example. Hell, most of the games on Steam are closed source.
So, is it just a matter of principle on Valve and AMD's part that they only want to ship with fully open source drivers?
I'm not technically knowledgeable enough to understand why you can't just make the HDMI 2.1 part of the driver code closed source and the rest of the graphics drivers open?
Modern specs are complicated. I vaguely remember something about a cryptographic key the driver needs to be signed with to successfully complete the handshake to enable all display options between the computer and display.
Not entirely unwarranted either, an unexpected amount of voltage on an unexpected pin because the driver / hardware is misconfigured damaging your TV would suck. (Still sounds like the Forum is being a dick about it though.)
Maybe a dumb question… if I used a DisplayPort to HDMI 2.1 adapter, would I get 4K at 120Hz on the Steam Machine and my LG CX tv?
Depends on the adapter and source. You may find issues when playing HDPC protected content if you buy a low quality adapter.
