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Linux on AMD: DisplayPort 2.0 Support for AMD Graphic and Record Epyc Workload

Submitted by Roy Schestowitz on Tuesday 17th of August 2021 06:55:50 PM Filed under
Graphics/Benchmarks
Linux
Hardware
  • Linux Kernel Patch Adds DisplayPort 2.0 Support for AMD Graphics

    AMD open-source driver efforts are sometimes used as an indicator of what is to come. The news which comes via Photonix sees the latest Linux kernel patch add preliminary support for DisplayPort 2.0 protocol in AMD GPU drivers.

    The DisplayPort 2.0 specification was announced quite some time ago. In 2019, the DisplayPort workgroup released the final specification and gave it out for monitor makers to use. However, VESA told Tom's Hardware in January that thanks to the COVID-19 pandemic, these DisplayPort 2.0-enabled monitors have been delayed and thus we have none on the market presently.

    The DisplayPort 2.0 protocol allows for Ultra High Bit Rate (UHBR) of 10, 13.5, and 20 Gbps per lane transfer over the passive copper wiring. This means that the data transfer rate is improved over the previous DisplayPort 1.4 protocol, and with it there is much more bandwidth, allowing for better image output.

  • AMD Posts Linux Patches In Preparing For DisplayPort 2.0 Radeon GPU Support - Phoronix

    The latest feature display work to happen for the AMDGPU kernel driver since the debut of FreeSync HDMI in Linux 5.13 is around DisplayPort 2.0 support and specifically the SST UHBR10 handling.

    UHBR10 is one of the new data rates / modes of DisplayPort 2.0. With Ultra High Bit Rate (UHBR) 10 there is 10 Gbps per lane to allow 40 Gbps of bandwidth over passive copper cabling. The SST aspect of this patch series is just denoting it's for single stream transport rather than multi-stream transport (MST).

  • Swiss and AMD claim record for calculating Pi

    A server with 1TB of RAM was also employed, with Ubuntu Linux 20.04 installed on a pair of solid-state disks of unspecified size.

  • Pi calculated to '62.8 trillion digits' with a pair of 32-core AMD Epyc chips, 1TB RAM, 510TB disk space • The Register

    Switzerland's University of Applied Sciences Graubünden has challenged the world record for calculating Pi, claiming it has computed the mathematical constant to 62.8 trillion digits.

    The university yesterday claimed it had broken the record, asserting it beat the previous record of 50 trillion digits, set by Timothy Mullican last year, by 12.8 trillion digits, and completed the task in just over 108 days versus Mullican's 303.

    Helpfully, the uni has also published details of the hardware used for its feat.

    [...]

    A server with 1TB of RAM was also employed, with Ubuntu Linux 20.04 installed on a pair of solid-state disks of unspecified size.

»

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