https://bugs.freedesktop.org/show_bug.cgi?id=76483

--- Comment #26 from Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to comment #25)
> That fixed the garbled display.
> 
> The monitor off/on thing is weird.  When I was trying to get 3.14 to work
> (before discovering this bug report), I tried the nvidia binary driver and
> got the same flash off/on thing.  However, dpms-off was working in 3.6.3,
> which I unfortunately don't have lying around any more.  It seems strange
> that the monitor would break in this manner, so I guess the 3.6.x driver was
> doing something to work around the monitor's response.  (Also, the
> monitor-off screensaver works when I am in OS/X.)
If it's the same situation as Nouveau, then the binary driver probably ignored
the HPD_IRQ pulse from the monitor.  We need to care about it now (well, we
were *supposed* to already, but anyway) for MST support particularly.  I'm
pretty sure I can work around the issue in the driver if we need to, so that's
ok.

> 
> I can get a log to verify if you like, later today.  If there's anything I
> can get from 3.6 to see if it's doing something different, let me know;  I'm
> sure I can find and build a 3.6 sometime in the next day or two if necessary.
That'd be great, thanks.

> 
> At least it's going in the right direction - thanks!

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