Libdrm 2.4.62 Is An Important Update For Open-Source GPU Drivers
Written by Michael Larabel in Mesa on 1 July 2015 at 12:46 PM EDT. 1 Comment
Libdrm 2.4.62 was released this week as a significant update to this DRM library for interfacing between the kernel DRM drivers and user-space.

Among the changes with libdrm 2.4.62 that make this release important:

- Support is now exposed for the atomic mode-setting and blob APIs. With Linux 4.2, the atomic mode-setting APIs are considered complete and now enabled by default. As covered in numerous Phoronix articles, many of the DRM drivers have already been ported over to make use of atomic mode-setting for providing a better experience. This API allows for testing video modes before being applied and for the process to happen atomically in one-step for causing a flicker-free experience.

- The Radeon code has a new Bonaire PCI ID not present up to this point.

- The Nouveau code has a coherent buffer object (BO) attribute sought after by Tegra developers.

- The Intel driver adds in the Broxton PCI IDs with there now being support upstream in the Linux 4.2 kernel.

More details on this new libdrm update can be found via the xorg-announce posting.
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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 or contacted via

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