More Intel Graphics Changes Get Queued For Linux 3.20

Written by Michael Larabel in Linux Kernel on 10 January 2015 at 08:20 AM EST. Add A Comment
A batch of Intel DRM Linux graphics driver changes have landed in DRM-Next for eventual pulling into what will become the Linux 3.20 kernel.

David Airlie on Friday merged the drm-intel-next-2014-12-19 Git code. With this latest set of Intel DRM patches is plane handling refactoring in preparation for more atomic mode-setting work to land, docbook coverage for frame-buffer compression, prep work for dual-link DSI support, CRC fixes, GGTT updates, shadow patch copying for the command parser, and execlist and full PPGTT support has been enabled by default for Broadwell "Gen8" graphics hardware.

The enabling of execlist and PPGTT is just done for testing now and might be reverted before the Linux 3.20 merge window or its official release in a few months time. The PPGTT enablement was tried for Linux 3.19 but partially reverted due to problems. Per-Process Graphics Translation Tables is a feature supported by modern Intel HD Graphics for enabling GPU process isolation and providing better security.

The full list of the latest merged Intel graphics code for DRM-Next can be found via this Git merge.
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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 20,000 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, LinkedIn, or contacted via

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