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Lines 23-28
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#include <linux/acpi.h> |
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#include <linux/acpi.h> |
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#include "pci.h" |
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#include "pci.h" |
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/* In certain situations the ASRock BIOS sets high bits in the aperture base, |
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* which breaks agpgart. This quirk corrects the base value. */ |
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static void quirk_asrock_agp_aperture(struct pci_dev *dev) |
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{ |
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struct pci_dev *sb; |
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u32 aper_base, tmp; |
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/* The device we are quirking is the K8 northbridge, but this device |
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* has no subsystem ID's and running this quirk on all K8 northbridges |
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* would be silly. Instead, we use the subsystem ID's of the |
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* southbridge to limit the quirk to only the affected systems. */ |
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sb = pci_get_subsys(PCI_VENDOR_ID_NVIDIA, 0x00e0, PCI_VENDOR_ID_ASROCK, |
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0x00e0); |
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if (sb == NULL) |
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return; |
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pci_read_config_dword(dev, 0x94, &aper_base); |
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tmp = aper_base & 0x7f; |
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if (tmp != aper_base) { |
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printk(KERN_INFO "PCI: quirked buggy ASRock aperture base " |
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"from %x to %x\n", aper_base, tmp); |
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pci_write_config_dword(dev, 0x94, tmp); |
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} |
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pci_dev_put(sb); |
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} |
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x1103, quirk_asrock_agp_aperture); |
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/* The Mellanox Tavor device gives false positive parity errors |
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/* The Mellanox Tavor device gives false positive parity errors |
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* Mark this device with a broken_parity_status, to allow |
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* Mark this device with a broken_parity_status, to allow |
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* PCI scanning code to "skip" this now blacklisted device. |
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* PCI scanning code to "skip" this now blacklisted device. |