More Direct Rendering Manager Code Gets Aligned For Linux 4.7
Written by Michael Larabel in Linux Kernel on 4 May 2016 at 08:37 AM EDT. Add A Comment
Several Git branches were pulled in the past few hours into DRM-Next as preparation work for having the Direct Rendering Manager feature updates ready for the Linux 4.7 merge window later this month.

Highlights include:

- The various Intel improvements that have been queued up for a while now.

- The updated VC4 DRM driver for Raspberry Pi boards that now has DPI panel support and render nodes and gamma ramp support.

- MST (DisplayPort Multi-Stream Transport) fixes and other improvements via the drm-misc updates.

- Exynos-DRM-Next for the Samsung SoCs now has support for sharing the pipeline clock between KMS drivers, the Exynos 5433 SoC now has HDMI support, there is hardware trigger mode support for the CRTC drivers, and various other fixes.

- Various fixes for the Rockchip DRM driver.

- Just a few minor fixes for the AMDKFD driver.

That's it for the very latest pull requests done over the night. Honored already in DRM-Next for Linux 4.7 is the new ARC PGU driver and finally a mainline Allwinner DRM driver but the Allwinner driver still leaves a lot to be desired.

Still to come are the Radeon and Nouveau pull requests for Linux 4.7, both of which should be interesting. On the Radeon/AMDGPU side it's a matter of seeing if the AMD DAL code will be mainlined (or in the staging area at least) as it's a huge code-base and needed for future AMDGPU features plus right now in order to land the next-gen Polaris GPU support. On the Nouveau side it will be interesting to see what Nouveau boost / re-clocking patches get merged for 4.7 or held off until Linux 4.8.
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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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