[Nouveau] [Bug 74815] [NVA5, NVC1] no displayport output on quadro 400/600 cards

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74815

--- Comment #2 from Michael Gulick <mgulick at mathworks.com> ---
(In reply to comment #1)
> There's another bug about a DP regression... bug #67628, which bisected down
> to 5cc027f6b1e ("drm/nv50-/disp: handle supervisor tasks from workqueue"),
> first appearing in 3.9-rc1. Could you verify that you're having trouble with
> the same commit? If so, we can mark as a duplicate.
> 
> Otherwise, which log is that log from? Could you upload your VBIOS?

Unfortunately that doesn't seem to be the commit that caused the problem
(unless I did something wrong in testing).  It does appear to be between tags
'v3.8' and 'v3.9-rc1'.  I'm trying to do a git bisect but it looks like it will
take a while (13 steps estimated, but the first kernel wouldn't boot...).  Any
tips for speeding up that process?  Any other info I can provide?

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