AMD‘s recent attempt to enhance its open-source Linux graphics driver (AMDGPU) with HDMI 2.1 features has hit a roadblock. After months of internal development to support key capabilities like 4K@120Hz and 5K@240Hz, the HDMI Forum rejected AMD’s proposal.
The rejection prevents Linux users of newer AMD Radeon graphics cards from taking full advantage of HDMI 2.1-equipped displays.
AMD expressed disappointment with the Forum’s decision, stating that an open-source HDMI 2.1 implementation would not be possible without contravening HDMI Forum requirements.
The Forum cited legal and compliance concerns surrounding the open-source distribution of the HDMI 2.1 specification.
This setback highlights the complexities faced by open-source HDMI developers following the HDMI Forum’s decision to restrict its specifications in 2021.
As a result, the latest HDMI features are likely to remain unavailable within open-source drivers. AMD recommends Linux users who want features like high-refresh-rate 4K gaming to switch to DisplayPort connections instead.
The situation remains unchanged for Windows users with AMD graphics, as they retain full HDMI 2.1 functionality. This highlights a discrepancy in the open-source development environment.
The rebuff also underscores potential tensions within the AMD – HDMI Forum relationship. AMD had likely hoped that pioneering open-source HDMI 2.1 drivers would enhance their standing within the open-source community.
Whether Linux users with AMD graphics will ever be able to fully leverage next-gen HDMI 2.1 displays remains uncertain. Currently, both AMD and the HDMI Forum appear deeply invested in their respective positions, leaving consumers with limited options.
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(Via)
