[Bug 197851] Resume from suspend sometimes results in black screen on Radeon R5

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=197851

--- Comment #4 from Tyler McLean (sonarsoundapplications at gmail.com) ---
(In reply to Harry Wentland from comment #3)
> Do you get different behavior if you enable the new DC display driver by
> passing amdgpu.dc=1 to the kernel?

Enabling that on the kernel results in an error on boot

[drm:hwss_wait_for_blank_complete [amdgpu]] *ERROR* DC: failed to blank crtc!

causing Ubuntu to hang on the splash screen

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