[Bug 198745] Blank screen on RX 580 with AMDGPU Display Core enabled

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=198745

Claude Heiland-Allen (claude at mathr.co.uk) changed:

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                 CC|                            |claude at mathr.co.uk

--- Comment #22 from Claude Heiland-Allen (claude at mathr.co.uk) ---
I think I have this exact same issue with my RX 580.  When amdgpu.dc=1 is
initialized at boot, the console goes blank as it thinks all displays are
disconnected.  Xorg is not able to enable the display either.  With amdgpu.dc=0
all is fine.  Tried with various (mostly Debian) kernels from 4.16 through
4.18~rc4, all have the issue.  I'm building a 4.18~rc7 from kernel.org now to
rule out Debian patches being the issue and will be able to provide logs.

Should I open a new issue as this one has been closed?  Or can this one be
reopened?

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