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AMD Radeon KMS Gets Some DP Improvements

AMD

Published on 20 May 2011 08:12 AM EDT
Written by Michael Larabel in AMD
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AMD's Alex Deucher has published a set of eighteen patches to the DRI development list that are primarily focused on fixing up the DisplayPort (DP) and Embedded DisplayPort (eDP) capabilities of the Radeon DRM/KMS driver in the Linux kernel.

The patch-set begins here on the list. This isn't as exciting as say when KMS page-flipping patches were pushed or other feature work along those lines, but with the growing presence of DisplayPort monitors and eDP on notebooks, the work should be quite visible now and going forward.

The patches have fixes for the AtomBIOS, spread spectrum fixes, DisplayPort clock programming for DCE4/DCE5 hardware, adjusted eDP handling, eDP panel power functions, new DisplayPort 1.2 registers, rewritten DisplayPort handling, etc.

These patches will likely be pulled into the DRM kernel tree shortly and then land in the Linux 2.6.40 kernel along with other Linux kernel DRM improvements to the Radeon driver as well as Nouveau and Intel driver improvements too.

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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