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Audio Support Comes Closer For Newer Radeon GPUs

AMD

Published on 14 August 2013 02:55 AM EDT
Written by Michael Larabel in AMD
14 Comments

Newer AMD Radeon GPUs are closer to having HDMI audio support with the open-source DRM/KMS driver.

Aside from Radeon KMS HDMI audio not being enabled by default, HDMI audio support has entirely been missing for newer Radeon GPUs, like the HD 7000 "Southern Islands" hardware. Fortunately, it's being worked on and will hopefully land with the Radeon changes for Linux 3.12.

On Tuesday, AMD's Alex Deucher published a revised patch for enabling audio support on DCE6/DCE8 GPUs.

The DCE6 display core has been around since the Radeon HD 7000 series while the DCE8 display core comes with the AMD "Kaveri" APU, the Radeon HD 7790 "Bonaire", and AMD "Kabini" APUs. The display hardware is different than earlier generations with adding HDMI 4K display support, VGA/LVDS via DisplayPort bridge hardware, etc. Alex notes in his patch that the audio support for DCE6/DCE8 is similar to DCE4/DCE5 hardware but there's support for multiple audio pins.

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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