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HDMI Forum rejects AMD's HDMI 2.1 open-source driver
No 4K@120Hz and 5K@240Hz via HDMI 2.1 for Linux users with Radeon.
AMD's Linux engineers, in collaboration with the company's legal team, dedicated months to evaluating all of the HDMI features to determine if they could be exposed in the open-source Radeon driver. The rejection is especially frustrating considering the months AMD spent engineering and prototyping code for HDMI 2.1+ features within its internal open-source AMDGPU codebase, notes Phoronix. In light of these challenges, AMD may need to explore alternative solutions, such as incorporating more features into its closed-source firmware or utilizing their PSP IP block to protect certain aspects of the HDMI specification.
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