Radeon DRM With Linux 3.18 To Support Concurrent Buffer Reads
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 König 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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