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AMD Preps 32 Patches for Open-Source HDMI 2.1 Compliance Testing in Linux Driver

Written by Michael Larabel in Radeon on 10 June 2026 at 06:11 AM EDT. 2 Comments

12d ago· 2 min readenNews

Summary

AMD is preparing 32 patches for the AMDGPU Linux kernel driver to support HDMI 2.1 compliance testing. While no new end-user features are included in this round, the updates focus on refactoring the AMDGPU Display Mode (DM) code for better modularity, minor enhancements, and cleaning up the HDMI pipeline as part of AMD's ongoing effort to deliver a fully open-source HDMI 2.1 driver implementation.

Source

bskyAMD Preps 32 Patches for Open-Source HDMI 2.1 Compliance Testing in Linux Driverbuff.ly

Key quotes

· 3 pulled

While not as exciting as features like HDMI 2.1 FRL and Display Stream Compression itself, as part of AMD's efforts to provide a fully open-source HDMI 2.1 driver implementation for AMDGPU, new code is being prepped for their kernel driver to support the HDMI compliance testing efforts.

A set of 32 patches providing the latest AMDGPU Display Code (DC) updates were sent out today.

No new HDMI features for end-users this round but there is some refactoring of the AMDGPU DM code to make it more modular, some minor enhancements, and then cleaning up the HDMI pipeline and preparing for compliance.

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While not as exciting as features like HDMI 2.1 FRL and Display Stream Compression itself, as part of AMD's efforts to provide a fully open-source HDMI 2.1 driver implementation for AMDGPU, new code is being prepped for their kernel driver to support the

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