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| author | Bjorn Helgaas <bhelgaas@google.com> | 2014-02-18 17:02:04 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-02-18 17:02:04 -0700 |
| commit | 94a5f850aead02f02f350d401a43c4bf9a9fbf3a (patch) | |
| tree | 14796e071834fc90e45000de3937c7ea96b054bd /arch/ia64 | |
| parent | ec5130ba7907a2ad30a595c7d64fd629c69d3a66 (diff) | |
| parent | 1e2571a78138361f74afeb4c5df859b9536b2d8e (diff) | |
| download | linux-94a5f850aead02f02f350d401a43c4bf9a9fbf3a.tar.bz2 | |
Merge branch 'pci/misc' into next
* pci/misc:
PCI: Enable INTx if BIOS left them disabled
ia64/PCI: Set IORESOURCE_ROM_SHADOW only for the default VGA device
x86/PCI: Set IORESOURCE_ROM_SHADOW only for the default VGA device
PCI: Update outdated comment for pcibios_bus_report_status()
PCI: Cleanup per-arch list of object files
PCI: cpqphp: Fix hex vs decimal typo in cpqhpc_probe()
x86/PCI: Fix function definition whitespace
x86/PCI: Reword comments
x86/PCI: Remove unnecessary local variable initialization
PCI: Remove unnecessary list_empty(&pci_pme_list) check
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/pci/fixup.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c index 5dc969dd4ac0..eee069a0b539 100644 --- a/arch/ia64/pci/fixup.c +++ b/arch/ia64/pci/fixup.c @@ -5,6 +5,7 @@ #include <linux/pci.h> #include <linux/init.h> +#include <linux/vgaarb.h> #include <asm/machvec.h> @@ -19,9 +20,10 @@ * IORESOURCE_ROM_SHADOW is used to associate the boot video * card with this copy. On laptops this copy has to be used since * the main ROM may be compressed or combined with another image. - * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW - * is marked here since the boot video device will be the only enabled - * video device at this point. + * See pci_map_rom() for use of this flag. Before marking the device + * with IORESOURCE_ROM_SHADOW check if a vga_default_device is already set + * by either arch cde or vga-arbitration, if so only apply the fixup to this + * already determined primary video card. */ static void pci_fixup_video(struct pci_dev *pdev) @@ -35,9 +37,6 @@ static void pci_fixup_video(struct pci_dev *pdev) return; /* Maybe, this machine supports legacy memory map. */ - if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA) - return; - /* Is VGA routed to us? */ bus = pdev->bus; while (bus) { @@ -60,10 +59,14 @@ static void pci_fixup_video(struct pci_dev *pdev) } bus = bus->parent; } - pci_read_config_word(pdev, PCI_COMMAND, &config); - if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { - pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; - dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n"); + if (!vga_default_device() || pdev == vga_default_device()) { + pci_read_config_word(pdev, PCI_COMMAND, &config); + if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { + pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; + dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n"); + vga_set_default_device(pdev); + } } } -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video); +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID, + PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video); |