this post was submitted on 09 Dec 2025
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HDMI Forum is unwilling to disclose the 2.1 specification for open-source (Linux): according to AMD, they had submitted a functional, HDMI 2.1-compatible driver [for linux?], which the Forum rejected. (www.heise.de)
submitted 2 weeks ago by cm0002@lemmings.world to c/opensource@programming.dev
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[–] x00z@lemmy.world 5 points 2 weeks ago* (last edited 2 weeks ago)

That's a passive cable and would require DP++. Funnily enough it would also require a HDMI 2.1 capable driver.