[Bug 108521] RX 580 as eGPU amdgpu: gpu post error!

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Comment # 3 on bug 108521 from
Quick question:

Is it possible to completely disable the Vega M using kernel boot parameters. 
I did try using pci-stub.ids=xxxx:xxxx with the PCI hex id for my Vega M
(1002:694e) but amdgpu was still applied to the device, not sure why.  I also
thought there was explicit PCI device blacklisting support in the kernel, but I
have been unable to find any documentation on this.

Ideally I'd like to see if having the Vega M disabled allows the eGPU to be
correctly initialized.  I took a look at the documentation for amdgpu, but I
didn't see any boot parameters that stood out at me.

Blacklisting the amdgpu module wouldn't work either, as I need that to
correctly support the RX 580 once it's attached.

Thanks!


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