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ATI R700 HDMI KMS Audio Support Coming Soon

AMD

Published on 05 March 2010 06:39 PM EST
Written by Michael Larabel in AMD
20 Comments

A few months back HDMI audio support came to the ATI Radeon kernel mode-setting driver and while this support is in place with the mainline kernel, it's only supported up through the ATI R600 hardware with the KMS driver. However, HDMI audio support for the R700 (Radeon HD 4000 series) is soon coming. Rafał Miłecki who has done much of the HDMI audio work for the open-source ATI driver stack has shared that he has achieved R700 audio success and the support may land in as soon as the Linux 2.6.34 kernel.

The latest patches clean up the HDMI audio support and makes it compatible with a greater range of ATI hardware, and new bits for DCE 3.2 GPUs. The new patch(es) should be published in the coming days and will hopefully be merged in time for the 2.6.34 kernel release. The announcement was made on Rafał's blog. AMD has had patches for greater HDMI audio support (including audio interrupts), but these patches have been held up in legal review for months and so Rafał came up with this new alternative.

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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