Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 189397
b: refs/heads/master
c: 5193d7a
h: refs/heads/master
i:
  189395: 9fa07f6
v: v3
  • Loading branch information
Clemens Ladisch authored and Linus Torvalds committed Apr 3, 2010
1 parent 25fdd1d commit 7c0dfea
Show file tree
Hide file tree
Showing 2 changed files with 4 additions and 34 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5e123e5d9bf8c4ae44121ffe5e844adeb30ff21b
refs/heads/master: 5193d7a7f500cfbbfc0de221e808208199723521
36 changes: 3 additions & 33 deletions trunk/drivers/pci/quirks.c
Original file line number Diff line number Diff line change
Expand Up @@ -2123,6 +2123,9 @@ 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_AMD, 0x9602, quirk_disable_msi);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK, 0x9602, quirk_disable_msi);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AI, 0x9602, quirk_disable_msi);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi);

/* Go through the list of Hypertransport capabilities and
Expand Down Expand Up @@ -2495,39 +2498,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4374,
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4375,
quirk_msi_intx_disable_bug);

/*
* MSI does not work with the AMD RS780/RS880 internal graphics and HDMI audio
* devices unless the BIOS has initialized the nb_cntl.strap_msi_enable bit.
*/
static void __init rs780_int_gfx_disable_msi(struct pci_dev *int_gfx_bridge)
{
u32 nb_cntl;

if (!int_gfx_bridge->subordinate)
return;

pci_bus_write_config_dword(int_gfx_bridge->bus, PCI_DEVFN(0, 0),
0x60, 0);
pci_bus_read_config_dword(int_gfx_bridge->bus, PCI_DEVFN(0, 0),
0x64, &nb_cntl);

if (!(nb_cntl & BIT(10))) {
dev_warn(&int_gfx_bridge->dev,
FW_WARN "RS780: MSI for internal graphics disabled\n");
int_gfx_bridge->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
}
}

#define PCI_DEVICE_ID_AMD_RS780_P2P_INT_GFX 0x9602

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_RS780_P2P_INT_GFX,
rs780_int_gfx_disable_msi);
/* wrong vendor ID on M4A785TD motherboard: */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK,
PCI_DEVICE_ID_AMD_RS780_P2P_INT_GFX,
rs780_int_gfx_disable_msi);

#endif /* CONFIG_PCI_MSI */

#ifdef CONFIG_PCI_IOV
Expand Down

0 comments on commit 7c0dfea

Please sign in to comment.