"AMD's Harry Wentland states that the company is finally adding HDMI FRL support to the popular Linux display driver, enabling higher bandwidth on compatible HDMI cables compared to the TMDS standard found on HDMI 2.0 and earlier."
"Wentland notes that this update still just represents 'a representative subset of HDMI compliance,' as it is missing the code to support the Display Stream Compression (DSC) that allows for even higher resolutions and frame rates up to 10K at 100 Hz."
"An AMD driver developer with the handle agd5f commented that 'a full implementation [of HDMI 2.1] will ultimately be available once the patches are ready and have completed compliance testing.'"
AMD is making significant strides in achieving full HDMI 2.1 compliance for its Linux amdgpu driver. The latest update introduces HDMI FRL support, which enhances bandwidth capabilities over HDMI 2.0. This advancement allows for higher resolutions, dynamic HDR, and Variable Refresh Rate features. However, the update is not fully compliant as it lacks Display Stream Compression support, which is still under testing. A complete implementation of HDMI 2.1 is expected once all patches are finalized and compliance testing is completed.
Read at Ars Technica
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