New GPU "Output Slaves" Patches Posted
Written by Michael Larabel in X.Org on 20 June 2012 at 02:34 PM EDT. Add A Comment
David Airlie has posted his latest set of 31 patches as he works to enable new features in the aging X.Org Server code-base.

This latest set of patches is for "feature set 1", which is GPU output slaves. It contains the necessary infrastructure changes with some additional cleansing for allowing additional GPUs to serve as secondary "slaves" to the main GPU via output providers.

There's the GPU provider support, pixmap sharing infrastructure, scanout pixmap support for RandR, platform bus hot-plug support, an autoAddGPU option for the xorg.conf, and more.

The patches begin here on the mailing list.

For additional background information see provider object support for RandR 1.5, yesterday's GPU offloading and USB hot-plugging demos, etc. [Pardon the terse update while on an airplane.]

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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