diff options
Diffstat (limited to 'src/northbridge/intel/x4x/gma.c')
| -rw-r--r-- | src/northbridge/intel/x4x/gma.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/northbridge/intel/x4x/gma.c b/src/northbridge/intel/x4x/gma.c index 2d2feee61c..d0c40b1d8d 100644 --- a/src/northbridge/intel/x4x/gma.c +++ b/src/northbridge/intel/x4x/gma.c @@ -60,7 +60,7 @@ void gma_set_gnvs_aslb(void *gnvs, uintptr_t aslb) static void gma_func0_init(struct device *dev) { - u16 reg16, ggc; + u16 reg16; u32 reg32; /* IGD needs to be Bus Master */ @@ -74,11 +74,16 @@ static void gma_func0_init(struct device *dev) reg16 |= 0xbc; pci_write_config16(dev_find_slot(0, PCI_DEVFN(0x2, 0)), 0xcc, reg16); - ggc = pci_read_config16(dev_find_slot(0, PCI_DEVFN(0, 0)), D0F0_GGC); + int vga_disable = pci_read_config16(dev, D0F0_GGC); if (IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) { - int lightup_ok; - gma_gfxinit(&lightup_ok); + if (vga_disable) { + printk(BIOS_INFO, + "IGD is not decoding legacy VGA MEM and IO: skipping NATIVE graphic init\n"); + } else { + int lightup_ok; + gma_gfxinit(&lightup_ok); + } } else { pci_dev_init(dev); } |