Radeon/AMDGPU Updates For The Linux 4.8 Kernel
Written by Michael Larabel in Radeon on 8 July 2016 at 11:02 AM EDT. 20 Comments
RADEON --
Alex Deucher has submitted the main feature pull request for DRM-Next of the Radeon and AMDGPU DRM driver changes for the next kernel cycle, Linux 4.8.

Some will be sad though, the AMDGPU material for Linux 4.8 doesn't contain the huge DAL display abstraction layer code that's needed for bringing the open-source AMDGPU driver display capabilities more on par with the former closed-source driver stack and also necessary for supporting new features like FreeSync/Adaptive-Sync.

What is included for drm-next-4.8 on the red side are ATPX improvements for better discrete GPU power control on PowerXpress systems, new power features for Carrizo/BR/Stoney hardware, pipelines buffer object moves and evictions in TTM, GPU scheduler improvements, GPU reset improvements, overclocking on dGPUs, code clean-ups, and many bug fixes.

The AMDGPU overclocking support would be the main end-user feature for Linux 4.8 when it comes to Radeon/AMDGPU. This overclocking support was previously explored on Phoronix and will just work with the latest AMDGPU-supported hardware.

For more details on these AMDGPU/Radeon changes that will be merged into the mainline Linux kernel in a few weeks during the 4.8 merge window, see this mailing list post. Looks like I'll be running some Linux 4.7 vs. AMDGPU drm-next benchmarks this weekend!
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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