[Bug 107375] Raven: `amdgpu_device_ip_resume_phase2()` takes 750 ms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107375

--- Comment #1 from Michel Dänzer <michel at daenzer.net> ---
Created attachment 140814
  --> https://bugs.freedesktop.org/attachment.cgi?id=140814&action=edit
Do posting read in psp_v10_0_cmd_submit

Does this patch help by any chance?

(In reply to Paul Menzel from comment #0)
> Also, I wonder why the sleep in the trace is 3 ms instead of 1 ms like in
> the code.

Maybe your kernel is configured with CONFIG_HZ=300? Anyway, it doesn't really
matter, as it's waiting for the PSP to finish processing the command.

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