summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorPatrick Rudolph <siro@das-labor.org>2017-06-20 19:13:33 +0200
committerMartin Roth <martinroth@google.com>2017-08-14 18:02:28 +0000
commitde4a1a0909488c89682a9fcada2d98c286e86d5b (patch)
tree77004ed0aba52a41486883cf59982c170ccf99a4 /src
parent6037b200d1fc4a55bac202a0ce833b2fa0624436 (diff)
nb/intel/sandybridge/gma: Fix S3 resume
The S3 resume path is broken on current Linux (4.11.3) and maybe on older kernel, too. Don't run the native graphics init when on S3 resume to fix it. Tested on Lenovo T430. Change-Id: Ifad145c86c2e8f019c507f97c889b70b7aa49882 Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/20289 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src')
-rw-r--r--src/northbridge/intel/sandybridge/gma.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 2751b3a0ea..01b0e155a8 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -630,8 +630,10 @@ static void gma_func0_init(struct device *dev)
/* Post VBIOS init */
gma_pm_init_post_vbios(dev);
- if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) ||
- IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) {
+ /* Running graphics init on S3 breaks Linux drm driver. */
+ if (!acpi_is_wakeup_s3() &&
+ (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) ||
+ IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT))) {
/* This should probably run before post VBIOS init. */
printk(BIOS_SPEW, "Initializing VGA without OPROM.\n");
u8 *mmiobase;