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-rw-r--r--src/northbridge/intel/haswell/Kconfig9
-rw-r--r--src/northbridge/intel/haswell/gma.c1
2 files changed, 10 insertions, 0 deletions
diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig
index 4b15c7bb9a..e8d84d1725 100644
--- a/src/northbridge/intel/haswell/Kconfig
+++ b/src/northbridge/intel/haswell/Kconfig
@@ -107,4 +107,13 @@ config CBFS_SIZE
This option allows to limit the size of the CBFS portion in the
firmware image.
+config PRE_GRAPHICS_DELAY
+ int
+ default 0
+ help
+ On some systems, coreboot boots so fast that connected monitors
+ (mostly TVs) won't be able to wake up fast enough to talk to the
+ VBIOS. On those systems we need to wait for a bit before executing
+ the VBIOS.
+
endif
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index 0c56f76018..95c7b2241d 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -414,6 +414,7 @@ static void gma_func0_init(struct device *dev)
#endif
if (! lightup_ok) {
printk(BIOS_SPEW, "FUI did not run; using VBIOS\n");
+ mdelay(CONFIG_PRE_GRAPHICS_DELAY);
pci_dev_init(dev);
}