Intel Graphics Get Ready For Linux 3.11 Kernel
Written by Michael Larabel in Intel on 8 June 2013 at 02:44 PM EDT. Add A Comment
While the Linux 3.10 kernel hasn't even been released yet, the Intel Open-Source Technology Center developers working on the Linux graphics stack already have a lot of worthwhile changes heading into the Linux 3.11 kernel.

Since late last month there's already been a number of Intel Linux graphics changes queued up for Linux 3.11, including the stabilizing of Valley View / Bay Trail. Published this morning was the latest batch of Intel driver changes heading into the i915 DRM driver in Linux 3.11.

Per Daniel Vetter's mailing list post, the key changes equate to:

- Haswell IPS support (Paulo Zanoni)
- VECS support on Haswell (Ben Widawsky, Xiang Haihao, ...)
- Haswell watermark fixes (Paulo Zanoni)
- "Make the gun bigger again" multithread fence fix from Chris.
- i915_error_state finnally no longer fails with -ENOMEM! Big thanks to
Mika for tackling this.
- vlv sideband locking fixes from Jani
- Hangcheck prep work for arb_robustness support (Mika&Chris)
- edp vs cpu port confusion clean-up from Imre
- pile of smaller fixes and cleanups all over.

As some decoding to these changes, VECS is important for video with Haswell, IPS is for Intermediate Pixel Storage and can provide power-savings benefits, and all of the other Haswell changes are also worthwhile.

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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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