[Bug 54226] [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54226

--- Comment #77 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #76)
> Chris, what is the upstream status for the ring kicker patch?  Is that
> likely to get incorporated upstream, or do you feel it needs further polish
> before it's ready?  Would this patch incur some risk of regressions in other
> areas were it be backported for inclusion in Ubuntu?

Merged for 3.10 as

commit a24a11e6b4e96bca817f854e0ffcce75d3eddd13
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Mar 14 17:52:05 2013 +0200

    drm/i915: Resurrect ring kicking for semaphores, selectively

Nothing else planned for now, but I think we can just keep this bug here open
in case we stumble across a new idea. And it seems to be good honey to attrack
all the me,too reports ;-)

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