https://www.phoronix.com/news/Intel-Linux-DP-Alt-Mode-2.1
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Intel Wiring Up DisplayPort Alt Mode 2.1 Support For Linux
Last year the DisplayPort 2.1 specification was published and now Intel's open-source Linux engineers are working on adding support to the kernel for handling of the DisplayPort Alternate Mode 2.1 support for that DP operation over USB Type-C connections.
