Many DRM Graphics Driver Changes Introduced To Linux 3.16
Written by Michael Larabel in Linux Kernel on 12 June 2014 at 12:41 AM EDT. 12 Comments
One of the most exciting pull requests to Phoronix readers was just sent in a short time ago for the Linux 3.16 kernel... The DRM graphics subsystem driver changes.

David Airlie of Red Hat sent in the DRM pull request for the 3.16 merge window with a plethora of changes this time around:

- The Nouveau driver has initial support for the GK20A Kepler graphics core found within the Tegra K1 ARM SoC.

- The other big Nouveau change is initial support for re-clocking on certain generations of NVIDIA chipsets. The support is limited to a few series where it should be working, is static, and can be rather buggy.


- Other Nouveau changes include GK110B GPU support for the high-end GeForce 700 series Keplers, a DisplayPort rework, GK208 fixes, and other changes.

- A ton of Intel graphics improvements like support for larger cursor sizes (aimed for HiDPI displays), Cherryview support, Userptr support, and a variety of lower-level improvements.

- Important for the Radeon driver in Linux 3.16 is GPU VM optimizations and HDMI deep color support. There's also GART fixes, HDMI audio clean-ups, and other changes.

- The AST driver experienced a rare update to support the AST2400 hardware.

- IPUV3 moved out of staging and into the GPU DRM area as a Freescale Image Processing Unit V3 DRM driver for i.MX SoCs.

- Various other changes to the included DRM drivers plus some core DRM improvements.

More information on the many DRM changes for Linux 3.16 can be found via the mailing list pull request.
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Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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