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authorArthur Heymans <arthur@aheymans.xyz>2019-10-12 17:39:31 +0200
committerArthur Heymans <arthur@aheymans.xyz>2019-10-14 08:16:00 +0000
commit29e53582cc738d009579d1832537aaa8deeb7ca9 (patch)
tree261f6d97282f02412e84450f65742deff2e2f95c
parent9ed0df4c380dc56a81a59a104b1ccac19cd52c35 (diff)
downloadcoreboot-29e53582cc738d009579d1832537aaa8deeb7ca9.tar.xz
nb/intel/gm45: Don't run graphics init on s3 resume
This assumes ACPI aware OS also have a driver for this particular hardware, which is the case for at least Linux. This saves ~60ms on S3 resume. Change-Id: I2dcd399fee8e2d1cd1b70e60e1669a49c7aa8cb4 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35995 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
-rw-r--r--src/northbridge/intel/gm45/gma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c
index a2de7f0fb0..1e6da69878 100644
--- a/src/northbridge/intel/gm45/gma.c
+++ b/src/northbridge/intel/gm45/gma.c
@@ -205,7 +205,7 @@ static void gma_func0_init(struct device *dev)
/* Post VBIOS init */
gma_pm_init_post_vbios(dev, edid_lvds.ascii_string);
- if (CONFIG(MAINBOARD_USE_LIBGFXINIT)) {
+ if (CONFIG(MAINBOARD_USE_LIBGFXINIT) && !acpi_is_wakeup_s3()) {
int vga_disable = (pci_read_config16(dev, D0F0_GGC) & 2) >> 1;
if (vga_disable) {
printk(BIOS_INFO,