[Bug 220553] New: Suspend to mem fails on rx5600xt (regression in 6.16.2)

[Bug 220553] New: Suspend to mem fails on rx5600xt (regression in 6.16.2)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=220553

            Bug ID: 220553
           Summary: Suspend to mem fails on rx5600xt (regression in
                    6.16.2)
           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: rbmccav@gmail.com
        Regression: No

Created attachment 308637
  --> https://bugzilla.kernel.org/attachment.cgi?id=308637&action=edit
git diff that demonstrates what fixed it for me

The GPU reset fails when attempting to suspend.  First noticed in 6.16.2 (on
arch) and it still occurs with 6.17.0-rc5.  This in the dmesg:

[   25.934105] amdgpu 0000:2d:00.0: amdgpu: MODE1 reset
[   25.934111] amdgpu 0000:2d:00.0: amdgpu: GPU mode1 reset
[   25.934172] amdgpu 0000:2d:00.0: amdgpu: GPU psp mode1 reset
[   26.656776] amdgpu 0000:2d:00.0: amdgpu: psp reg (0x16061) wait timed out,
mask: 8000ffff, read: ffffffff exp: 80000000
[   26.656780] [drm] psp mode 1 reset failed!
[   26.656782] amdgpu 0000:2d:00.0: amdgpu: GPU mode1 reset failed
[   26.656783] amdgpu 0000:2d:00.0: PM: pci_pm_suspend_noirq():
amdgpu_pmops_suspend_noirq [amdgpu] returns -22
[   26.656944] amdgpu 0000:2d:00.0: PM: dpm_run_callback():
pci_pm_suspend_noirq returns -22
[   26.656949] amdgpu 0000:2d:00.0: PM: failed to suspend async noirq: error
-22
[   26.706582] PM: noirq suspend of devices failed

I tracked it down to commit 8345a71fc54b which replaces numbers with named
constants, but it has several errors in which named constant is used, and the
two introduced MASKs are the same when only one should include the STATUS_MASK.
 Note that the preexisting comment on some of the psp_wait_for actually did not
reflect what the code was doing and that may have caused the error in this
commit.

Restoring the numbers back to the original values solves my problem.  To help
out, I have attached the patch I used.

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[Bug 220553] Suspend to mem fails on rx5600xt (regression in 6.16.2)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=220553

rbmccav@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Bisected commit-id|                            |8345a71fc54b
     Kernel Version|                            |6.16.2
         Regression|No                          |Yes

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[Bug 220553] Suspend to mem fails on rx5600xt (regression in 6.16.2)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=220553

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

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

--- Comment #1 from Artem S. Tashkinov (aros@gmx.com) ---
Please refile here:

https://gitlab.freedesktop.org/drm/amd/-/issues

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