4k@120hz unavailable via HDMI 2.1 (#1417) · Issues · drm / amd · GitLab
gitlab.freedesktop.org
Brief summary of the problem: I have a RX 6800 XT connected to a LG B9 TV via HDMI. As both...

Alex Deucher:

The HDMI Forum has rejected our proposal unfortunately. At this time an open source HDMI 2.1 implementation is not possible without running afoul of the HDMI Forum requirements.

  • @[email protected]English
    10•9 months ago

    It’s not just limited to PC’s. USB C has a DisplayPort alternate mode and many phones and tablets support it now. I’m rather surprised manufacturers haven’t started putting USB C ports on TV’s for video input yet.

    • OsaErisXero
      6•9 months ago

      Ah, i forgot some phones support straight displayport over usb. Still, wired display out on a phone isn’t exactly a common use case.