Comment # 3
on bug 107277
from Paul Menzel
(In reply to Christian König from comment #2) > There isn't much you can do here: > > amdgpu_bo_evict_vram [amdgpu] (306.331 ms @ 74.694620) > > This is evacuating the content of VRAM to RAM/disk to make sure we don't > lose screen content while suspended. I do not understand that. The integrated graphics device uses the system RAM as VRAM doesn’t it? So why does it have to be evicted at all? Also, I believe it’s 1 GB of VRAM. That means the speed would be 3 GB/s, where it should be much higher with DDR4 shouldn’t it? > > amdgpu_fence_driver_suspend [amdgpu] (0.023 ms @ 75.000953) > > Waiting for the evacuation to be completed. > > > amdgpu_device_ip_suspend [amdgpu] (694.390 ms @ 75.000977) > > This is hardware teardown and rather interesting and the only point we could > actually do something. Can you figure out what takes so long here? I’ll try to figure that out. > > amdgpu_bo_evict_vram [amdgpu] (24.217 ms @ 75.695369) > > Again evacuating VRAM which was locked before because the hardware was still > using it.
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