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.

    • cmnybo@discuss.tchncs.deEnglish
      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@kbin.run
        71·
        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.