diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index e79277c..b68e705 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -640,24 +640,11 @@
 	intel_gma_restore_opregion();
 }
 
-const struct i915_gpu_controller_info *intel_gma_get_controller_info(void)
+static void gma_generate_ssdt(struct device *device)
 {
-	struct device *dev = pcidev_on_root(2, 0);
-	if (!dev) {
-		return NULL;
-	}
-	struct northbridge_intel_sandybridge_config *chip = dev->chip_info;
-	return &chip->gfx;
-}
+	const struct northbridge_intel_sandybridge_config *chip = device->chip_info;
 
-static void gma_ssdt(struct device *device)
-{
-	const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
-	if (!gfx) {
-		return;
-	}
-
-	drivers_intel_gma_displays_ssdt_generate(gfx);
+	drivers_intel_gma_displays_ssdt_generate(&chip->gfx);
 }
 
 static unsigned long gma_write_acpi_tables(struct device *const dev, unsigned long current,
@@ -710,7 +697,7 @@
 	.read_resources         = pci_dev_read_resources,
 	.set_resources          = pci_dev_set_resources,
 	.enable_resources       = pci_dev_enable_resources,
-	.acpi_fill_ssdt		= gma_ssdt,
+	.acpi_fill_ssdt		= gma_generate_ssdt,
 	.init                   = gma_func0_init,
 	.scan_bus               = NULL,
 	.enable                 = NULL,