Radeon DRM With Linux 3.18 To Support Concurrent Buffer Reads
Written by Michael Larabel in Radeon on 12 September 2014 at 12:05 AM EDT. 1 Comment
Another Radeon DRM driver update pull request has been submitted to drm-next for merging in the Linux 3.18 kernel.

Queued up so far for the Radeon DRM graphics driver in Linux 3.18 includes Userptr support and other changes that include R6xx UVD video decoding support, reset rework handling prep, and other minor changes.

The newest Radeon drm-next-3.18 work has just three patches by AMD's Christian K├Ânig to deliver on a new feature: concurrent buffer reads. With these patches that affect around 200 lines of code is support for concurrent buffer read support for the Radeon driver to avoid serialization when read buffers are shared between the GPU's different engines.

The pull request was sent in on Thursday night by AMD's Alex Deucher with this mailing list post.
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