Created attachment 140699 [details]
HTML output of `sudo ./sleepgraph.py -config config/suspend-callgraph.cfg
-maxdepth=5`

According to the trace, most of the time is spent in the functions below.

> amdgpu_bo_evict_vram [amdgpu] (306.331 ms @ 74.694620)
> amdgpu_fence_driver_suspend [amdgpu] (0.023 ms @ 75.000953)
> amdgpu_device_ip_suspend [amdgpu] (694.390 ms @ 75.000977)
> amdgpu_bo_evict_vram [amdgpu] (24.217 ms @ 75.695369)