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

[bugzilla-daemon--- via dri-devel <dri-devel@lists.freedesktop.org>]

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

--- Comment #10 from Bernd Steinhauser (linux@bernd-steinhauser.de) ---
Unfortunately this turns out to be much harder than expected, because about 1/3
of the revs to test just won't boot at all (like instant kernel panic and not
responding).
This problem was fixed somewhere in the release candidates of 4.19, but I first
need to track down the fix so I can properly continue with the bisect.

Of the rest, another 1/3 of the revs do boot, but only with a black screen.
While I can ssh into the system and check for memleaks, I don't think it's a
proper test, because it seems to me as if amdgpu failed to initialize properly.
So I need to track down the fix for this (again somewhere in the release
candidates of 4.19) as well.

So far, all I can be sure of is that the responsible commit was before
v4.19-rc5 was backmerged into drm-next and drm-misc-next
(7b76d0588477d4b6097a9048b42835a45caf5c48).
But that still leaves quite a few commits to test.

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