Linux 3.15 Lands Some DRM Graphics Driver Fixes
Written by Michael Larabel in Linux Kernel on 19 April 2014 at 06:03 PM EDT. 2 Comments
Linus pulled into the mainline Linux 3.15 kernel on Saturday afternoon a big DRM queue that contained a lot of open-source graphics driver fixes.

Likely most notable from this latest DRM fixes series entering the Linux kernel is the microcode fixes for some newer graphics cards, mainly fixing up the dynamic power management support for the AMD Radeon R7 260X graphics card. Besides the microcode fixes to stabilize newer GCN-era hardware, there's also some run-time power management fixes, and PLL regression fixes for the Radeon driver. Hopefully this pull will fix a Radeon DRM problem previously mentioned on Phoronix during the early Linux 3.15 benchmarking. Many more Linux 3.15 kernel benchmarks are forthcoming on Phoronix.

Other non-Radeon fixes include backlight fixes for the i915 DRM driver and other Intel driver fixes, a regression fix for the Nouveau (open-source NVIDIA) driver, and a numer of fixes to the Texas Instruments OMAP DRM driver.

This latest post-merge-window pull request for fixing up the DRM subsystem code can be found via this Git pull. For those unfamiliar with Linux 3.15, read about the major kernel changes in this next kernel version that will be officially released in about two months time.

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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 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 automated benchmarking software. He can be followed via Twitter or contacted via

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