[Bug 204611] amdgpu error scheduling IBs when waking from sleep

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=204611

--- Comment #3 from tones111 at hotmail.com ---
I'm still working on trying to bisect the problem, but it's been challenging. 
Following the advice at
https://01.org/blogs/rzhang/2015/best-practice-debug-linux-suspend/hibernate-issues
I turned on the initcall_debug and no_console_suspend boot options.

I then see the following messages in the boot log after bringing the system
back up.

> Sep 15 17:36:39 mobile kernel: [drm] reserve 0x400000 from 0xf400c00000 for
> PSP TMR SIZE
> ...
> Sep 15 17:36:39 mobile kernel: [drm] psp command failed and response status
> is (0)
> Sep 15 17:36:39 mobile kernel: [drm:psp_hw_start [amdgpu]] *ERROR* PSP load
> tmr failed!
> Sep 15 17:36:39 mobile kernel: [drm:psp_resume [amdgpu]] *ERROR* PSP resume
> failed
> Sep 15 17:36:39 mobile kernel: [drm:amdgpu_device_fw_loading [amdgpu]]
> *ERROR* resume of IP block <psp> failed -22
> Sep 15 17:36:39 mobile kernel: [drm:amdgpu_device_resume [amdgpu]] *ERROR*
> amdgpu_device_ip_resume failed (-22).
> Sep 15 17:36:39 mobile kernel: PM: dpm_run_callback(): pci_pm_resume+0x0/0x90
> returns -22
> Sep 15 17:36:39 mobile kernel: amdgpu 0000:05:00.0: pci_pm_resume+0x0/0x90
> returned -22 after 19543535 usecs
> Sep 15 17:36:39 mobile kernel: PM: Device 0000:05:00.0 failed to resume
> async: error -22

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