[PATCH 1/1] PCI quirks: disable msi on AMD rs4xx internal gfx bridges

Leann Ogasawara leann.ogasawara at canonical.com
Mon Apr 5 18:56:36 UTC 2010


On Mon, 2010-04-05 at 14:35 -0400, Chase Douglas wrote:
> From: Alex Deucher <alexdeucher at gmail.com>
> 
> Doesn't seem to work reliably for gfx.  See kernel bug
> 15626.
> 
> Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
> Cc: Stable <stable at kernel.org>
> 
> BugLink: http://bugs.launchpad.net/bugs/509273
> 
> Signed-off-by: Chase Douglas <chase.douglas at canonical.com>

Seems this is very low risk of regression and it has confirmation in the
launchpad bug from the original bug reporter to resolve the issue.

Acked-by: Leann Ogasawara <leann.ogasawara at canonical.com>

> ---
>  drivers/pci/quirks.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 245d2cd..8c6eb85 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -2092,6 +2092,7 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev)
>  	}
>  }
>  DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi);
>  
>  /* Go through the list of Hypertransport capabilities and
>   * return 1 if a HT MSI capability is found and enabled */
> -- 
> 1.7.0
> 
> 






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