[Bug 61464] New: [snb+Try mediacopy

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61464

          Priority: medium
            Bug ID: 61464
          Assignee: chris at chris-wilson.co.uk
           Summary: [snb+Try mediacopy
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: chris at chris-wilson.co.uk
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/intel
           Product: xorg

The BSD ring should be able to use the L3$ can run concurrently to the RCS/BCS
- i.e. give the concurrency benefits of using the BLT whilst maintain decent
cache bandwidth like RCS. The state setup latency should also be less than RCS,
but obviously still more than BCS.

Idea from Ben Widawsky.

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