[Bug 200695] Blank screen on RX 580 with amdgpu.dc=1 enabled (no displays detected)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=200695

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|4.17.19, 4.18.5 -- 4.18.20, |4.17.19, 4.18.5 -- 4.18.20,
                   |4.19-rc1 -- 4.19.32,        |4.19-rc1 -- 4.19.89,
                   |4.20-rc1 -- 4.20.17,        |4.20-rc1 -- 4.20.17,
                   |5.0-rc1 -- 5.0.5, 5.1-rc3   |5.0-rc1 -- 5.0.5, 5.1-rc3,
                   |                            |5.3.9, 5.3.16, 5.4.3,
                   |                            |5.5-rc2

--- Comment #35 from Claude Heiland-Allen (claude at mathr.co.uk) ---
Still getting this issue: with monitor connected via DVI, screen goes blank and
monitor turns off a few seconds into boot (is fine before that, in motherboard
power on display and grub and start of boot process).  With same monitor
connected via HDMI and HDMI/DVI adaptor there are no issues.

Kernel versions tested today, with behaviour as above:
- 4.19.89
- 5.3.16
- 5.4.3 (partial test, forgot to test with DVI; HDMI works fine)
- 5.5-rc2

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