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| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-10-12 17:39:31 +0200 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2019-10-14 08:16:00 +0000 |
| commit | 29e53582cc738d009579d1832537aaa8deeb7ca9 (patch) | |
| tree | 261f6d97282f02412e84450f65742deff2e2f95c | |
| parent | 9ed0df4c380dc56a81a59a104b1ccac19cd52c35 (diff) | |
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.c | 2 |
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, |