The Exciting Intel DRM Driver Changes For Linux 3.15
Written by Michael Larabel in Intel on 1 April 2014 at 09:39 AM EDT. Add A Comment
Intel has lined up many exciting open-source graphics driver improvements for their DRM kernel module with the Linux 3.15 release.

In regards to Intel's open-source DRM i915 driver for Linux 3.15 I've already written about Intel tackling DRRS support, Broadwell GPU improvements, and lining up more graphics driver changes. Daniel Vetter of Intel's Open-Source Technology Center has now written a personal blog post covering some of the changes that will be found in the Intel DRM driver merge for Linux 3.15.

The highlights covered by Daniel for "neat" i915 DRM 3.15 changes include per-process address space support (currently limited to Ivy Bridge and Haswell but Bay Trail and Broadwell support is coming), fine-grained display power domain handling, runtime power management infrastructure work, support for inheriting the firmware frame-buffer as another step in Fastboot support, a lot of Broadwell patches, improved support for frame-buffer compression, 5.4GHz DIsplayPort support, generic DisplayPort aux helpers, and large cursor support to benefit HiDPI displays. For Intel's 4K display support, they now support 5.4GHz DisplayPort but they don't yet support multi-stream support (MST) as most 4K DisplayPort screens expose themselves as two displays to the driver.

More details on these Linux 3.15 Intel graphics changes can be found via Daniel's blog.
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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 Twitter or contacted via MichaelLarabel.com.

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