[Bug 63609] [i915 SDVO regression] omposite TV-OUT shows vertical flickering with kernel >= 3.6.11

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63609

--- Comment #12 from Pierre Assal <pierre.assal at verint.com> ---
(In reply to comment #11)
> (In reply to comment #10)
> > (In reply to comment #9)
> > > So TV-out is now perfectly working, without any flickering?
> > > 
> > > Problem is that this is an pretty massive rework of the modeset flow for
> > > 3.11, so first we need to figure out what exactly fixed things for you. I
> > > suspect it's the patch titled "drm/i915: make SDVO TV-out work for
> > > multifunction devices". Can you please try to revert that with git revert
> > > <sha1 of patch>, compile & install the kernel and then check whether things
> > > are broken again? Please make really sure that you're booting the right
> > > kernel.
> > > 
> > > If it's indeed that patch we can try to figure out whether/how to backport
> > > this to older kernels.
> > 
> > I will try this immediately and get back to you asap.
> > Again thanks alot for your help. It is extremely appreciated.
> 
> You're right. If I revert this patch the things are broken again. 
> I will try to merge it to my kernel 3.6.11.

At first sight, I do not think that It will be easy to patch kernel 3.6.11 with
this fix.
Do you think that you could help me with that?

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