The Libdrm & xf86-video-amdgpu Repositories To Follow For FreeSync
Written by Michael Larabel in Radeon on 28 October 2017 at 08:16 AM EDT. 29 Comments
RADEON --
Many Linux gamers are excited by the prospects of soon having FreeSync support working on the purely open-source Radeon Linux graphics driver stack.

Last week the AMD Linux developers began discussing with other upstream open-source graphics driver developers about plans for FreeSync / AdaptiveSync support in trying to come up with an approach and set of interfaces that could be adopted across drivers.

That work remains a work in progress. While AMDGPU DC is initially expected for Linux 4.15, the FreeSync bits are still settling. A good place to track if wanting to follow the AMDGPU DRM kernel side work is amd-staging-drm-next.

There's also updated user-space bits needed, namely libdrm and xf86-video-amdgpu, for being able to communicate to the DRM kernel driver when to turn on/off FreeSync. For that Nicolai Hähnle has been leading the charge.

There is this DDX code branch for the testing patches for xf86-video-amdgpu and this libdrm branch.

Once the code begins settling down for FreeSync and looks solid, I'll begin with some tests at Phoronix to see how it's working out and also a how-to guide if necessary.
About The Author
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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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