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The X.Org Foundation Is Funding Work To Improve Nouveau Re-Clocking

Nouveau

Published on 13 June 2014 02:01 AM EDT
Written by Michael Larabel in Nouveau
18 Comments

The X.Org Foundation has decided to fund an Endless Vacation of Code project to improve the support for the Nouveau driver's re-clocking of several generations of NVIDIA GPUs.

Roy Spliet, an existing contributor to Nouveau, has managed to secure EVoC funding to reverse-engineer and implement NVA3/5/8 voltage and frequency scaling support within the open-source Nouveau driver. "For this project, I aim to tie these loose ends together for NVIDIAs NVA3/5/8 GPUs. His "REclock" proposal states, "I intend to fully reverse engineer several subcomponents related to voltage and frequency scaling, try to get a full understanding of the clock tree and use this gained knowledge to further improve the nouveau voltage and frequency scaling implementation for said GPUs."

Given that Roy is an existing Nouveau contributor and previously he worked on the re-clocking for NVAA and NVAC chipsets along with some work on NVC0 Fermi support, this EVoC project has good chances of being successful. It's estimated to take at least 12 weeks. Roy has also secured extra funding from the X.Org Foundation for purchasing additional NVIDIA hardware for furthering this re-clocking effort.

Confirmation of this X.Org EVoC re-clocking effort being approved was made on Thursday via the Nouveau list. This news comes as Nouveau in Linux 3.16 finally has basic re-clocking support for certain generations of hardware, is statically controlled, and still considered an experimental feature. My Nouveau Linux 3.16 re-clocking benchmarks are already complete and are in the publishing queue for next week.

For students interested in open-source graphics driver development, learn more about the X.Org EVoC.

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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