[Bug 205523] New: AMDGPU display lockup during boot with 5.4 RC on Ryzen 2700u

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=205523

            Bug ID: 205523
           Summary: AMDGPU display lockup during boot with 5.4 RC on Ryzen
                    2700u
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.4.0-rc7
          Hardware: x86-64
                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: briancschott at gmail.com
        Regression: No

Created attachment 285907
  --> https://bugzilla.kernel.org/attachment.cgi?id=285907&action=edit
journalctl output

I'm getting a black screen on boot when testing the 5.4 release candidate
kernels on a Dell Inspiron 7375 laptop. The system responds to the magic sysrq,
so the kernel is not completely dead, but the display is. The system boots
correctly with a 5.3.1 kernel. The log showing the stack trace is attached.
I'll start working on bisecting the problem soon.

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