AMD Radeon KMS Driver Merged Into FreeBSD
Written by Michael Larabel in AMD on 28 August 2013 at 08:52 PM EDT. 10 Comments
After many months of development, the ported open-source AMD Radeon DRM/KMS driver from the Linux kernel has been merged into FreeBSD trunk. This AMD kernel graphics driver now provides modern Radeon/FirePro graphics support for BSD users with FreeBSD 10.0 but might be backported to FreeBSD 9.

We have known for days the AMD driver would be merged into FreeBSD 10 and this week we received official confirmation. As of this SVN revision on Sunday, the latest FreeBSD development kernel now supports this AMD DRM/KMS driver. This work also comes just a short time after OpenBSD received AMD KMS support and that Intel KMS support landed in FreeBSD 9.1.

The AMD driver present in FreeBSD trunk is ported from the Linux 3.8 kernel's Radeon DRM code while the TTM memory management code is slightly newer from the Linux 3.9~3.10 kernel. This AMD KMS driver isn't found in the soon-to-be-released FreeBSD 9.2 but it could still be backported to the FreeBSD 9 series.

Most AMD GPU functionality should work under FreeBSD but additional suspend/resume testing is needed, debugging various issues, etc. The latest Mesa and xf86-video-ati code is also needed for user-space. More details can be found on the AMD FreeBSD Wiki.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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