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SubjectRe: [PATCH] PCI: Make SR-IOV capable GPU working on the SR-IOV incapable platform
On Wed, 24 May 2017 08:57:53 +0000
"Cheng, Collins" <Collins.Cheng@amd.com> wrote:

> Hi Alex,
>
> How do you know "particular this system offers no 64-bit MMIO", from dmesg log?

From this:

> [ 0.891319] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
> [ 0.891321] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
> [ 0.891322] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
> [ 0.891323] pci_bus 0000:00: root bus resource [mem 0x88800000-0xdfffffff window]
> [ 0.891324] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window]
> [ 0.891325] pci_bus 0000:00: root bus resource [bus 00-fe]

There are only 32-bit ranges listed. Thanks,

Alex

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