Ubuntu's Mir May Be Ready For FreeSync / Adaptive-Sync
Written by Michael Larabel in Ubuntu on 29 August 2016 at 10:51 AM EDT. 23 Comments
UBUNTU --
The Mir display server may already be ready for working with AMD's FreeSync or VESA's Adaptive-Sync, once all of the other pieces to the Linux graphics stack are ready.

If the comments from this Mir commit are understood and correct, it looks like Mir may be ready for supporting FreeSync/Adaptive-Sync.

While NVIDIA's proprietary driver supports their alternative G-SYNC technology on Linux, AMD FreeSync (or the similar VESA Adaptive-Sync standard) has yet to be supported by the AMD Linux stack. We won't be seeing any AMD FreeSync support until their DAL display stack lands. DAL still might come for Linux 4.9 but there hasn't been any commitment yet by AMD developers otherwise not until Linux 4.10+, and then after that point FreeSync can ultimately come to the open-source AMD driver. At least with the AMDGPU-PRO driver relying upon its own DKMS module, DAL with FreeSync can land there earlier.


Once the driver-level work is in place, it will be interesting to see how well FreeSync/Adaptive-Sync works on Linux and what other changes might be necessary for Mir/Wayland/X.Org. They do already have the xf86-video-amdgpu DDX change that's also needed. I do have the ASUS MG28UQ 4K monitor with Adaptive-Sync support that I've been waiting to play with under 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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