[Bug 102646] [dc] Screen flickering under amdgpu-experimental [buggy auto power profile]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102646

--- Comment #25 from Ruben Harutyunyan <harutyunyan.ruben at gmail.com> ---
Seems like this is a regression actually. I've managed bisect the commit which
caused the problems.

Last working commit:
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.15-dc&id=8ee5702afdd48b5864c46418ad310d6a23c8e9ab

Breaking commit:
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.15-dc&id=b9e56e41e0c55c2b2ab5919c5e167faa4200b083

Keep in mind that you need
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.15-dc&id=9ba29fcb76a559078491adffc74f66bf92b9dbea
commit to be able to compile the kernel, but judging by the changes the merge
commit was the one that broke it.

Some more details:

1) Disabling/enabling FreeSync doesn't matter
2) Issue happens under Xorg KDE/Wayland Gnome/Xorg GNOME
3) HDMI or DP doesn't matter


I'd try to narrow it down to the exact part of the commit that causes the
issue, but I am having an issue with my Ryzen soft locking thread by thread
until a complete lockup happens when compiling with 16 threads.

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