Re: [Regression, post-rc2] Commit a5ee4eb7541 breaks OpenGL on RS780 (was: Re: Linux 2.6.34-rc3)

From: Alex Deucher
Date: Thu Apr 01 2010 - 16:24:10 EST

On Thu, Apr 1, 2010 at 4:17 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 1 Apr 2010, Alex Deucher wrote:
>> What I meant to say was MSI works fine on bridges other than the
>> bridge the internal gfx lives on.  quirk_disable_msi() just disables
>> MSI on the devices on that particular bridge as far as I understand
>> it, but I'm by no means an expert on the PCI code.
> Yes, it disabled MSI only on devices under that bridge. But if it's the
> northbridge, that would be everything, no?
> But I don't know what devices those
>        PCI_VENDOR_ID_AMD, 0x9602,
>        PCI_VENDOR_ID_ASUSTEK, 0x9602,
> things are. If they are just a PCIE->PCI bridge rather than the root
> bridge, then everything looks fine to me.

Yup, those are just the pci to pci bridges used for the internal gfx.
Really there's only one, 0x9602, but some asus oem boards have the
vendor id wrong.

>                        Linus
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