[Bug 203339] New: AMDGPU: virtual_display disables physical outputs

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=203339

            Bug ID: 203339
           Summary: AMDGPU: virtual_display disables physical outputs
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.0.7
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: parker.l.reed at gmail.com
        Regression: No

Created attachment 282351
  --> https://bugzilla.kernel.org/attachment.cgi?id=282351&action=edit
Kernel log

Unable to tell if this is intended or if caused by a crash.

I have a monitor connected via HDMI. When I use the virtual_display kernel
parameter, only the virtual displays show up.

amdgpu.virtual_display=0000:07:00.0,2

Original patchset doesn't mention this usecase.

https://lists.freedesktop.org/archives/amd-gfx/2016-August/001058.html

Kernel log attached shows some crashes related to dce_virtual_crtc

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