Linux 4.3 Will Have Many Intel Graphics Improvements, Better For Skylake

Written by Michael Larabel in Intel on 24 July 2015 at 08:28 AM EDT. 3 Comments
Daniel Vetter of Intel's Open-Source Technology Center has sent in many Intel DRM driver changes to be queued up in DRM-Next for the Linux 4.3 kernel.

This drm-intel-next load is quite big given that there's three batches of changes due to Vetter having held off on sending out this pull request for the code to land in DRM-Next.

Skylake is getting all cleaned up for Linux 4.3, which is good since the first of the Skylake processors are launching in early August... However, for stable Linux users, these Skylake changes may be too late as Linux 4.3 will not officially ship until late into the year.

With Linux 4.3, the Skylake support is no longer considered "preliminary" after an ABI issue with planes was corrected. There's also more workarounds for this "Gen9" graphics processor, MOCS programming support for Skylake and Broxton, improvements to the Skylake DPLL code, a fix for a hard-hang when trying to reset the GPU, and various other changes.

The Intel DRM driver for Linux 4.3 is also making greater use of the atomic mode-setting interfaces with more code being ported over, has various fixes for Valley View and Cherry View hardware, there's some frame-buffer compression improvements, improvements to front-buffer tracking, resource streaming for Mesa, and various other changes.

More details on the Intel DRM changes queued up for Linux 4.3 thus far can be found via this pull request. Stay tuned for our first Intel Skylake Linux testing next month as soon as the CPUs start rolling out.
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