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.

  • Eager Eagle@lemmy.worldEnglish
    46·
    8 months ago

    So that means if we ever have an open source NVIDIA driver that matches the proprietary I won’t be able to connect my 4K screen @ 120hz via HDMI (as the only option) because made up rules by an HDMI faction of TV manufacturers say so?

    yup, we need brands making TVs with DisplayPort.

    • Atemu@lemmy.mlOP
      6·
      8 months ago

      Depends on how the cards implement HDMI. Intel cards notably have a DP->HDMI converter chip on-board requiring no software-side support for HDMI.