> Most importantly, my observation that reading toc->num_entries returns -1 is still occuring:

> [  368.991914] amdgpu: [powerplay] smu7_request_smu_load_fw: 10 ffffb456a0081000 0 1
> [  368.991927] amdgpu: [powerplay] smu7_request_smu_load_fw: 20 ffffb456a0081000 -1 -1

These message come from.you patch, they done happen with just my last
workaround.

If I insert a printk after the pci_set_power_state() succeeds and pci ->
current_state indicates that gpu is powered on, yet reading from the mapped
memory still returns -l. How does that make any sense?