[Bug 219492] New: amdgpu: failed to write reg 28b4 wait reg 28c6 and amdgpu: failed to write reg 1a6f4 wait reg 1a706

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219492

            Bug ID: 219492
           Summary: amdgpu: failed to write reg 28b4 wait reg 28c6 and
                    amdgpu: failed to write reg 1a6f4 wait reg 1a706
           Product: Drivers
           Version: 2.5
          Hardware: AMD
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: email2shubhra@gmail.com
        Regression: No

Created attachment 307209
  --> https://bugzilla.kernel.org/attachment.cgi?id=307209&action=edit
Kernel log for hardware

I get the below two kernel errors in log when I resume from hibernate and while
using DRI probably. I have latest amdgpu non-free firmware and mesa v24
installed.

amdgpu 0000:04:00.0: amdgpu: failed to write reg 28b4 wait reg 28c6
amdgpu 0000:04:00.0: amdgpu: failed to write reg 1a6f4 wait reg 1a706

I have the following kernel parameter set to try and mitigate the above issue
but still the issue happens.

iommu=soft

The above issue does not occur during s2idle sleep/wakeup but only after
resuming from hibernate.

Attaching some kernel log if that would be of any help.

I found this issue with kernel version 6.6.x and 6.10.x

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