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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 4 months ago by cm0002@lemmings.world to c/opensource@programming.dev

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[-] entwine@programming.dev 1 points 3 months ago

That probably won't work. It will get basic video and maybe audio through, but not features like VRR, which is why you'd care about HDMI 2.1 support at all

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this post was submitted on 09 Dec 2025

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