linux-kernel - Re: [PATCH 1/4] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 00h-0fh) Processors

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Message-ID: <20171108204827.GB21597@bhelgaas-glaptop.roam.corp.google.com>
Date:   Wed, 8 Nov 2017 14:48:27 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Christian König 
        <ckoenig.leichtzumerken@...il.com>
Cc:     linux-pci@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH 1/4] x86/PCI: Enable a 64bit BAR on AMD Family 15h
 (Models 00h-0fh) Processors

[+cc Andy]

On Fri, Nov 03, 2017 at 02:52:41PM +0100, Christian König wrote:
> Just add the extra PCI-ID to the existing fixup.
> 
> Signed-off-by: Christian König <christian.koenig@....com>

I folded all these additional devices into the original quirk.

> ---
>  arch/x86/pci/fixup.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
> index 7b6bd76..1d2238d 100644
> --- a/arch/x86/pci/fixup.c
> +++ b/arch/x86/pci/fixup.c
> @@ -639,7 +639,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8c10, quirk_apple_mbp_poweroff);
>   * configuring host bridge windows using the _PRS and _SRS methods.
>   *
>   * But this is rarely implemented, so we manually enable a large 64bit BAR for
> - * PCIe device on AMD Family 15h (Models 30h-3fh) Processors here.
> + * PCIe device on AMD Family 15h (Models 00h-0fh, 30h-3fh) Processors here.
>   */
>  static void pci_amd_enable_64bit_bar(struct pci_dev *dev)
>  {
> @@ -696,5 +696,6 @@ static void pci_amd_enable_64bit_bar(struct pci_dev *dev)
>  	pci_bus_add_resource(dev->bus, res, 0);
>  }
>  DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x141b, pci_amd_enable_64bit_bar);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1601, pci_amd_enable_64bit_bar);
>  
>  #endif
> -- 
> 2.7.4
>