summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/devices/Kconfig7
-rw-r--r--src/devices/pci_device.c11
2 files changed, 18 insertions, 0 deletions
diff --git a/src/devices/Kconfig b/src/devices/Kconfig
index 9e5ea6e094..572addcf53 100644
--- a/src/devices/Kconfig
+++ b/src/devices/Kconfig
@@ -33,6 +33,13 @@ config VGA_ROM_RUN
Execute VGA option ROMs, if found. This is required to enable
PCI/AGP/PCI-E video cards.
+config S3_VGA_ROM_RUN
+ bool "Re-run VGA option ROMs on S3 resume"
+ default y
+ depends on VGA_ROM_RUN && HAVE_ACPI_RESUME
+ help
+ Execute VGA option ROMs when coming out of an S3 resume.
+
config PCI_ROM_RUN
bool "Run non-VGA option ROMs"
default y
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c
index 2ccb38a75e..0a870b84cf 100644
--- a/src/devices/pci_device.c
+++ b/src/devices/pci_device.c
@@ -51,6 +51,9 @@
#if CONFIG_PC80_SYSTEM == 1
#include <pc80/i8259.h>
#endif
+#if CONFIG_HAVE_ACPI_RESUME && !CONFIG_S3_VGA_ROM_RUN
+#include <arch/acpi.h>
+#endif
u8 pci_moving_config8(struct device *dev, unsigned int reg)
{
@@ -672,6 +675,14 @@ void pci_dev_init(struct device *dev)
if (ram == NULL)
return;
+#if CONFIG_HAVE_ACPI_RESUME && !CONFIG_S3_VGA_ROM_RUN
+ /* If S3_VGA_ROM_RUN is disabled, skip running VGA option
+ * ROMs when coming out of an S3 resume.
+ */
+ if ((acpi_slp_type == 3) &&
+ ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA))
+ return;
+#endif
run_bios(dev, (unsigned long)ram);
#endif /* CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN */
}