diff options
Diffstat (limited to 'src/northbridge/intel/haswell')
| -rw-r--r-- | src/northbridge/intel/haswell/gma.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c index 8ffdce84b2..8f60da4add 100644 --- a/src/northbridge/intel/haswell/gma.c +++ b/src/northbridge/intel/haswell/gma.c @@ -468,10 +468,17 @@ static void gma_func0_init(struct device *dev) /* Pre panel init */ gma_setup_panel(dev); + int vga_disable = (pci_read_config16(dev, GGC) & 2) >> 1; + if (IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) { - printk(BIOS_SPEW, "NATIVE graphics, run native enable\n"); - gma_gfxinit(&lightup_ok); - gfx_set_init_done(1); + if (vga_disable) { + printk(BIOS_INFO, + "IGD is not decoding legacy VGA MEM and IO: skipping NATIVE graphic init\n"); + } else { + printk(BIOS_SPEW, "NATIVE graphics, run native enable\n"); + gma_gfxinit(&lightup_ok); + gfx_set_init_done(1); + } } if (! lightup_ok) { |