diff options
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/fixup.c | 21 | ||||
| -rw-r--r-- | arch/x86/pci/i386.c | 4 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index b5e60268d93f..c61ea57d1ba1 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -326,6 +326,27 @@ static void pci_fixup_video(struct pci_dev *pdev) struct pci_bus *bus; u16 config; + if (!vga_default_device()) { + resource_size_t start, end; + int i; + + /* Does firmware framebuffer belong to us? */ + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM)) + continue; + + start = pci_resource_start(pdev, i); + end = pci_resource_end(pdev, i); + + if (!start || !end) + continue; + + if (screen_info.lfb_base >= start && + (screen_info.lfb_base + screen_info.lfb_size) < end) + vga_set_default_device(pdev); + } + } + /* Is VGA routed to us? */ bus = pdev->bus; while (bus) { diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index a19ed92e74e4..2ae525e0d8ba 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -162,6 +162,10 @@ pcibios_align_resource(void *data, const struct resource *res, return start; if (start & 0x300) start = (start + 0x3ff) & ~0x3ff; + } else if (res->flags & IORESOURCE_MEM) { + /* The low 1MB range is reserved for ISA cards */ + if (start < BIOS_END) + start = BIOS_END; } return start; } |