AMD News Archives
AMD Picasso APUs To Support VCN Dynamic Power Gating

Earlier this month AMD sent out the initial Linux graphics driver patches for "Picasso" APUs and now a new patch series today sheds some light on a new capability for these new APUs reported to be similar to current Raven Ridge hardware.

25 September 2018 - VCN DPG - 1 Comment
The "Chinese EPYC" Hygon Dhyana CPU Support Still Getting Squared Away For Linux

Back in June is when the Linux kernel patches appeared for the Hygon Dhyana, the new x86 processors based on AMD Zen/EPYC technology licensed by Chengdu Haiguang IC Design Co for use in Chinese data-centers. While the patches have been out for months, they haven't reached the mainline kernel quite yet but that might change next cycle.

23 September 2018 - Hygon Dhyana + Linux Kernel - 3 Comments
More Details On The AMD GCN Back-End For GCC That's Expected To Merge For GCC 9

Last week I reported on Code Sourcery / Mentor Graphics posting their new AMD GCN port to the GNU Compiler Collection (GCC). This GPU back-end for the widely-used GCC compiler is hoped for merging ahead of the GCC 9 stable release expected in early 2019. At this past weekend's GNU Tools Cauldron 2018 conference was a briefing by Mentor Graphics on undertaking funded by AMD.

11 September 2018 - GCC Code For Radeon GPUs - 16 Comments
AMD's GPUOpen Vulkan Memory Allocator 2.1 Released

AMD's GPUOpen group has announced a new version of their open-source Vulkan Memory Allocator project that seeks to make it easier to deal with memory allocation and management when using this graphics API.

10 September 2018 - Vulkan Memory Allocator - 2 Comments
Linux Kernel Expectations For AMD Threadripper 2

If you have already pre-ordered your AMD Threadripper 2990WX processor or just planning to be an early customer of that high-end desktop processor or the Threadripper 2950X, you may be wondering about Linux requirements from these new high-end AMD CPU offerings. Here's the gist of the Linux support state of AMD Zen+ CPUs for those wanting to get ready for Threadripper 2.

9 August 2018 - Threadripper 2950X / Threadripper 2990WX - 11 Comments
A Look At The Linux vs. Windows Power Use For A Ryzen 7 + Radeon RX Vega Desktop

Recently I have been posting a number of Linux laptop battery benchmarks including how the power consumption compares to Windows 10. If you are curious how these numbers play out on the desktop side and when using AMD hardware, here are some results for your viewing pleasure with a Ryzen 7 2700X and Radeon RX Vega 64 desktop system.

25 July 2018 - Desktop Power Use - 13 Comments
AMDGPU Gets More Features For Linux 4.19 Kernel

On top of AMDGPU improvements/features already staged for Linux 4.19, the AMD folks on Thursday sent in their seemingly last set of feature updates to DRM-Next ahead of the Linux 4.19 kernel merge window.

20 July 2018 - AMDGPU DRM-Next - 21 Comments
FreeBSD Kernel Patch Posted For Addressing Ryzen Errata

A few days back I wrote about workarounds for getting FreeBSD running stable on AMD Ryzen via a script to adjust some of the CPU's MSRs based upon a recently-updated AMD revision guide. That script, which was making use of FreeBSD's cpucontrol utility for adjusting the bits, has now morphed into a kernel patch.

30 June 2018 - FreeBSD + Ryzen Kernel Patch - 9 Comments

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