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Intel DisplayPort Gets High Bit Rate 2 In Linux 3.14

Intel

Published on 22 January 2014 10:46 AM EST
Written by Michael Larabel in Intel
6 Comments

An Intel DRM driver change that's been queued up for the Linux 3.14 kernel provides High Bit Rate 2 (HBR2) support for DisplayPort 1.2 devices for Haswell and future generations of Intel hardware.

The High Bit Rate 2 (HBR2) mode of DisplayPort 1.2 provides bandwidth of 17.28 Gbit/s and allows for greater resolutions, refresh rates, and great color depth. Intel supports Displayport 1.2 with HBR2 on Haswell and Broadwell graphics processors while now with the next Linux kernel release it will be supported on the software side.

The change allowing Intel's open-source Linxu graphics driver to support DisplayPort High Bit Rate 2 (HBR2) can be found with this Git commit. Intel's Linux graphics team settling their DisplayPort 1.2 support comes just ahead of DisplayPort 1.3 that's expected in the months ahead with even higher bit rates.

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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