Re: [PATCH] PCI: Blacklist AMD Stoney GPU devices for ATS

From: Joerg Roedel
Date: Fri Apr 07 2017 - 08:34:45 EST


Hi Bjorn,

On Tue, Apr 04, 2017 at 11:43:11AM -0500, Bjorn Helgaas wrote:
> > +static const struct pci_device_id broken_ats_tbl[] = {
> > + { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x98e4) }, /* AMD Stoney GPU part */

Just found out that the affected GPU uses PCI_VENDOR_ID_ATI, fixed that
too.

> > + { 0 }
> > +};
> > +
> > void pci_ats_init(struct pci_dev *dev)
> >
> > int pos;
> >
> > + if (pci_match_id(broken_ats_tbl, dev))
> > + return;
>
> This is fine functionally, but from a stylistic point of view, I guess
> I would prefer to have it implemented in drivers/pci/quirks.c just to
> have some consistency in how we work around device defects.

Done, I send a new patch shortly.



Joerg