Linux 5.16 brings initial DisplayPort 2.0 support for AMDGPU drivers

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The latest DRM-Next feature update information has revealed that the next version of the Linux kernel will bring many feature updates, work on the functions of the AMDGPU driver is continuing, and it is planned to be unveiled in the Linux 5.16 stable version at the beginning of the new year. One of the most notable prs is the initial activation of DisplayPort 2.0 in the AMD Radeon kernel graphics driver.

DisplayPort 2.0 AMD Radeon Driver

Phoronix pointed out that the current generation of Radeon RX 6000 series graphics cards can only support up to DisplayPort 1.4, and the new version of the kernel driver seems to be preparing for the next-generation GPU that will adopt DisplayPort 2.0. With the launch of Linux 5.16, further work plans are expected to be launched gradually after the relevant preliminary plans are implemented.
It is worth noting that Intel’s open-source Linux graphics driver engineers have also released some patches to provide DisplayPort 2.0 support for their drivers. Therefore, with the efforts of many parties, it is expected that some good DP 2.0 adoptions may appear on the market in 2022.
According to the introduction, some key contents of AMDGPU PR for DRM-Next are:
  • Initial support for DisplayPort 2.0
  • Updated the latest graphics support for Yellow Carp and Cyan Skillfish
  • Video Core Next (VCN) priority processing
  • DCN 3.1 power-saving improvements
  • Some other bug fixes and code updates, including power management/BACO (Bus Active Chip Off) front, RAS, etc.
The complete patch list will be released in November this year with the arrival of the Linux 5.16 merge window.

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