An Experimental Ubuntu Kernel Build With AMDGPU DC/DAL
Written by Michael Larabel in AMD on 7 March 2017 at 07:40 PM EST. 17 Comments
AMD --
A Phoronix reader has written in about his independent work to make it easier trying out the latest AMDGPU DC/DAL code on Ubuntu.

Martin Babutzka has taken to maintaining a Linux kernel tree on GitHub with the latest AMDGPU DC/DAL patches pair with the latest upstream Linux kernel security patches, based upon the upstream Linux 4.9 kernel. He's carrying out this effort in order to make use of HDMI audio with his Radeon R9 380 graphics card.

Besides offering the source tree, he's also offering pre-built x86_64 Debian/Ubuntu packages of the said kernel.

Of course, try at your own risk, but an easy way to try out AMDGPU DC/DAL support for HDMI/DP audio on newer GPUs, HDMI 2.0 features, the start on atomic support, and other modern display features are sought out by many Phoronix readers.

His kernel tree can be found at M-Bab/linux-kernel-amdgpu and there is also the AMDGPU kernel binaries.

The AMDGPU DC/DAL code isn't being mainlined until the Linux 4.12 kernel at the earliest, thus the Ubuntu 17.04 release in April, which is using Linux 4.10, will still be without this display code.

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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