[Bug 111244] amdgpu kernel 5.2 blank display after resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111244

--- Comment #20 from Michel Dänzer <michel at daenzer.net> ---
(In reply to cspack from comment #19)
> With amdgpu.dc=0, X doesn't start ((EE) AMDGPU(0): No modes.)

Right (I realized the amdgpu kernel driver doesn't support display with your
GPU without DC), but amdgpu.dc=1 is the default. It was probably just luck that
it worked once, which is why your first bisect attempts failed.

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