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...

cross-posted from: https://lemmy.ml/post/12544593

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.

  • @vividspecterEnglish
    22•3 months ago

    Hopefully AMD start doing what Intel does and including a DP -> HDMI 2.1 converter in the card itself. There are already third party adapters that work reasonably well with existing AMD GPUs, especially on Linux. If they had their own implementation they could iron out the quirks and driver issues and get something that should be equivalent to real HDMI 2.1.