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Detect 3D controllers as gfx device too

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Necessary for Lenovo G580 for example.
This commit is contained in:
Peter Wu
2012-08-15 14:35:40 +02:00
parent f4128e5b40
commit 82648190aa
1 changed files with 7 additions and 2 deletions
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9
acpi-handle-hack.c
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@@ -32,8 +32,13 @@ static bool __init need_acpi_handle_hack(void) {
static struct pci_dev __init *get_discrete_device(void) {
struct pci_dev *pdev = NULL;
int class = PCI_CLASS_DISPLAY_VGA << 8;
while ((pdev = pci_get_class(class, pdev)) != NULL) {
while ((pdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pdev)) != NULL) {
int pci_class = pdev->class >> 8;
if (pci_class != PCI_CLASS_DISPLAY_VGA &&
pci_class != PCI_CLASS_DISPLAY_3D)
continue;
if (pdev->vendor != PCI_VENDOR_ID_INTEL) {
return pdev;
}