diff options
| -rw-r--r-- | src/northbridge/intel/sandybridge/gma.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c index d1779db8da..bf340e9f61 100644 --- a/src/northbridge/intel/sandybridge/gma.c +++ b/src/northbridge/intel/sandybridge/gma.c @@ -634,6 +634,19 @@ static void gma_ssdt(device_t device) drivers_intel_gma_displays_ssdt_generate(gfx); } +/* called by pci set_vga_bridge function */ +static void gma_func0_disable(struct device *dev) +{ + u16 reg16; + device_t dev_host = dev_find_slot(0, PCI_DEVFN(0,0)); + + reg16 = pci_read_config16(dev_host, GGC); + reg16 |= (1 << 1); /* disable VGA decode */ + pci_write_config16(dev_host, GGC, reg16); + + dev->enabled = 0; +} + static struct pci_operations gma_pci_ops = { .set_subsystem = gma_set_subsystem, }; @@ -646,6 +659,7 @@ static struct device_operations gma_func0_ops = { .init = gma_func0_init, .scan_bus = 0, .enable = 0, + .disable = gma_func0_disable, .ops_pci = &gma_pci_ops, }; |