AMD Polaris Support Lands In Mesa's RadeonSI Gallium3D Driver
Written by Michael Larabel in Mesa on 25 March 2016 at 10:32 AM EDT. 28 Comments
MESA --
While AMD just open-sourced their next-gen Polaris graphics driver code this week, changes have already landed in LLVM and this morning the Mesa/Gallium3D modifications necessary have landed in mainline Mesa.

RadeonSI Gallium3D driver now has the support changes for Polaris, the Radeon Rx 400 series hardware being released soon. Plus related changes in the hardware enablement of these new GPUs.

It's great to see the code already hitting Mesa and will ensure it's in the Mesa 11.3/12.0 release due out this summer, but unfortunately not for the belated Mesa 11.2 release that should be imminent.

The Gallium3D driver changes for supporting Polaris aren't too invasive while the majority of the hardware bring-up is within the AMDGPU DRM kernel driver and that's not coming until the Linux 4.7 kernel cycle. The DAL prerequisite changes plus the Polaris kernel code amounts to over one hundred thousand lines of new code to be merged into Linux.
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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 10,000 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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