[Bug 202537] amdgpu/DC failed to reserve new abo buffer before flip

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=202537

--- Comment #19 from Christian König (christian.koenig at amd.com) ---
(In reply to Paul Menzel from comment #18)
> (In reply to Christian König from comment #17)
> > We completely disabled the feature added in "5d35ed4832d" for upstreaming
> > later on.
> 
> Sorry, I do not understand your reply at all. Could you please rephrase?
> What commit does that, what you describe?

Commit 5d35ed4832d is a bug fix for bulk moves, which is a feature which should
be completely disabled in 4.20. So your bisecting is most likely incorrect.

> > Can you guys please test amd-staging-drm-next as well and check if the
> > problem occurs there as well. If not then please bisect what fixed it.
> 
> Bernd and I seem to have different problems – or I updated user space not
> triggering the problematic path anymore or did not do the steps to reproduce
> it (although starting GDM should have been enough).
> 
> Anyway, why should the fix be bisected? To apply it to stable?

Yes, exactly.

It looks like that 4.20 is either using bulk moves (which it shouldn't) or we
have introduced another problem which also caused memory leaks.

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