[Bug 107277] Raven: pci_pm_suspend takes over 1 second

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107277

--- Comment #11 from Paul Menzel <pmenzel+bugs.freedesktop at molgen.mpg.de> ---
Created attachment 140734
  --> https://bugs.freedesktop.org/attachment.cgi?id=140734&action=edit
HTML output of `sudo ./sleepgraph.py -config config/suspend-callgraph.cfg` with
filter for amdgpu

(In reply to Michel Dänzer from comment #10)
> Created attachment 140714 [details] [review]
> drm/amdgpu: Fix RLC safe mode test in gfx_v9_0_enter_rlc_safe_mode
> 
> Does this patch help?

It looks like it.

Tested-by: Paul Menzel <pmenzel at molgen.mpg.de>

> amdgpu @ 0000:38:00.0 {amdgpu} async_device (Total Suspend: 140.661 ms Total Resume: 1339.330 ms)

(Filtering with amdgpu works now, so I upload the HTML file.)

Now the remaining hot spots are listed below.

amdgpu_device_ip_suspend [amdgpu] (102.888 ms @ 534.324902)
    → … amdgpu_vcn_suspend [amdgpu] (23.804 ms @ 534.325065)
    → … drm_atomic_helper_suspend [drm_kms_helper] (53.051 ms @ 534.349412)
        → __drm_atomic_helper_disable_all.constprop.28 [drm_kms_helper] (52.919
ms @ 534.349543)
    → … psp_v10_0_ring_stop [amdgpu] (19.894 ms @ 534.406785)
[…]
amdgpu_bo_evict_vram [amdgpu] (17.507 ms @ 534.427790) → fixed by *quick hack
for S3*
[…]
pci_set_power_state (20.071 ms @ 534.445402)

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