[Bug 215025] New: [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[Bug 215025] New: [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

            Bug ID: 215025
           Summary: [amdgpu] Thinkpad A275 hangs on shutdown / screen does
                    not turn on after reboot
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.15.2
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: bjo@nord-west.org
        Regression: No

My Thinkpad A275 hangs while going into suspend. The screen turned off, but it
does not really enter suspend mode (according to journalctl it started
suspending). Even after reboots the screen does not turn on again, I have to
power off the Thinkpad and then power it on again. The issue did not exist with
5.14.x.

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

--- Comment #1 from Bjoern Franke (bjo@nord-west.org) ---
BTW, iommu is enabled:
[    0.739887] perf/amd_iommu: Detected AMD IOMMU #0 (2 banks, 4
counters/bank).

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

--- Comment #2 from Bjoern Franke (bjo@nord-west.org) ---
Tested 5.14.16 - ok
Tried 5.15.0 and 5.15.1 -> don't even boot, the first 3 lines look misarranged.

I will try to bisect between 5.14.16 and 5.15.2.

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

--- Comment #3 from Bjoern Franke (bjo@nord-west.org) ---
mainline 5.16rc1 is also affected.

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

--- Comment #4 from Bjoern Franke (bjo@nord-west.org) ---
It seems it is https://gitlab.freedesktop.org/drm/amd/-/issues/1789

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

Alex Deucher (alexdeucher@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #5 from Alex Deucher (alexdeucher@gmail.com) ---
Please include your dmesg output.  Does this patch fix it?
https://patchwork.freedesktop.org/series/96646/

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=215025

--- Comment #6 from Bjoern Franke (bjo@nord-west.org) ---
Created attachment 299595
  --> https://bugzilla.kernel.org/attachment.cgi?id=299595&action=edit
dmesg

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

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https://bugzilla.kernel.org/show_bug.cgi?id=215025

--- Comment #7 from Bjoern Franke (bjo@nord-west.org) ---
The patch fixes it, thanks.

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[Bug 215025] [amdgpu] Thinkpad A275 hangs on shutdown / screen does not turn on after reboot

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https://bugzilla.kernel.org/show_bug.cgi?id=215025

Artem S. Tashkinov (aros@gmx.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CODE_FIX

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