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Experimental code ready for testing to enable HDMI 2.1 FRL with AMDGPU on Linux
(www.gamingonlinux.com)
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this post was submitted on 18 Feb 2026
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I always wondered why nobody just said "screw HDMI, this is open source and nobody can stop us" and did it anyways. I guess now my question is answered. Where there's a will, there's a way. Hopefully there's a path to getting this merged, otherwise I hope distros are willing to ship a modified kernel or DKMS patcher for it. A large chunk of Linux drivers are based on reverse engineering, why not HDMI 2.1 support.
Because the HDMI consortium has members that have an incentive to lock down the standard to enforce copyright. That's how HDMI started to begin with. It was just a DVI-D signal with sound that was encrypted. That's why you don't see TVs with DisplayPort, though I'm going to tryand find one next time I buy one.