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Merge tag 'pci-v6.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fix from Bjorn Helgaas: - Quirk Ice Lake Root Ports to work around DPC log size issue (Mika Westerberg) * tag 'pci-v6.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: PCI/DPC: Quirk PIO log size for Intel Ice Lake Root Ports
2 parents 8846af7 + 3b88034 commit 96f15fc

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drivers/pci/quirks.c

Lines changed: 7 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6003,8 +6003,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56c1, aspm_l1_acceptable_latency
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#ifdef CONFIG_PCIE_DPC
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/*
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* Intel Tiger Lake and Alder Lake BIOS has a bug that clears the DPC
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* RP PIO Log Size of the integrated Thunderbolt PCIe Root Ports.
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* Intel Ice Lake, Tiger Lake and Alder Lake BIOS has a bug that clears
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* the DPC RP PIO Log Size of the integrated Thunderbolt PCIe Root
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* Ports.
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*/
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static void dpc_log_size(struct pci_dev *dev)
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{
@@ -6027,6 +6028,10 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x461f, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x462f, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x463f, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x466e, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a1d, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a1f, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a21, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a23, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a23, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a25, dpc_log_size);
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DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a27, dpc_log_size);

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