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Bringing HDMI To ATI Kernel Mode-Setting

AMD

Published on 27 September 2009 03:58 PM EDT
Written by Michael Larabel in AMD
8 Comments

While the Linux 2.6.31 kernel brought initial support for ATI kernel mode-setting support with graphics cards up through the ATI Radeon X1000 series (and the Radeon HD 2000/3000/4000 support coming with the Linux 2.6.32 kernel), the KMS driver is not complete. There is still a fair amount of work ahead when it comes to in-kernel power management, and other areas, including HDMI support. Fortunately though, the HDMI support for ATI kernel mode-setting is moving along.

Christian K├Ânig, who previously worked on HDMI audio support for the RadeonHD driver, has ported the High-Definition Multimedia Interface support to the kernel mode-setting driver. This HDMI audio support for the kernel is for the Radeon HD 2000 (R600) series and later. This patch that weighs in at just over 1,000 lines should work, but there are still a few areas that Christian is looking to improve upon with this support.

For those interested in Christian's mailing list announcement or to use this ATI KMS HDMI patch against the latest DRM code, drop by the dri-devel mailing list.

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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