diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/intel/haswell/Kconfig | 9 | ||||
| -rw-r--r-- | src/northbridge/intel/haswell/gma.c | 1 |
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); } |