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AMD Kernel Mode-Setting Progresses For FreeBSD

AMD

Published on 04 April 2013 11:04 PM EDT
Written by Michael Larabel in AMD
13 Comments

More of the Radeon kernel mode-setting (KMS) driver stack being ported to FreeBSD from Linux is beginning to function.

For the past few months, the open-source Linux Radeon KMS driver has been ported to Linux. It's shown signs of life but still isn't fully working or in a state where it will be merged to the mainline code-base in the near future.

An update on the current AMD GPU FreeBSD status was shared yesterday and it comes down to working on a BIOS size issue, kernel module loading/unloading is working, the X.Org integration is "DONE", for at least Radeon HD 4000 series GPUs RandR and X-Video is working.

When it comes to more of the Radeon user-space running atop this ported Radeon code into the FreeBSD kernel in combination with the Mesa/Gallium3D driver, glxgears is working but some WebGL demos hang. Using VDPAU on Gallium3D is also failing. Another issue within the mode-setting driver is that HDMI connectors are also currently failing.

More details as to the current state of the Radeon open-source driver on FreeBSD can be found via the FreeBSD Wiki. After Intel KMS was merged for FreeBSD 9.1, hopefully some of the Radeon support will be ready for FreeBSD 10.0, but no time-table has been confirmed yet.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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