[Bug 201015] New: [amdgpu] BUG: unable to handle kernel NULL pointer dereference on resume with 2 monitors (vega)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201015

            Bug ID: 201015
           Summary: [amdgpu] BUG: unable to handle kernel NULL pointer
                    dereference on resume with 2 monitors (vega)
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.19-rc2
          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: mezin.alexander at gmail.com
        Regression: No

Created attachment 278309
  --> https://bugzilla.kernel.org/attachment.cgi?id=278309&action=edit
dmesg, failed resume with 2 monitors

Happens on resume from suspend when 2 monitors are connected (over
DisplayPort).
With 1 monitor suspend/resume works reliably.

Vega 64 (Sapphire Nitro+)
Dell P2415Q and LG 27UD69P, connected over DisplayPort

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