diff --git a/src/northbridge/intel/sandybridge/acpi/igd.asl b/src/northbridge/intel/sandybridge/acpi/igd.asl
index a6804adb5e..cfc12ed8b0 100644
--- a/src/northbridge/intel/sandybridge/acpi/igd.asl
+++ b/src/northbridge/intel/sandybridge/acpi/igd.asl
@@ -23,6 +23,23 @@ Device (GFX0)
 {
 	Name (_ADR, 0x00020000)
 
+	OperationRegion (GFXC, PCI_Config, 0x00, 0x0100)
+	Field (GFXC, DWordAcc, NoLock, Preserve)
+	{
+		Offset (0x10),
+		BAR0, 64
+	}
+
+	OperationRegion (GFRG, SystemMemory, And(BAR0, 0xfffffffffffffff0), 0x400000)
+	Field (GFRG, DWordAcc, NoLock, Preserve)
+	{
+		Offset (0x48254),
+			BCLV, 16,
+		Offset (0xc8250),
+			CR1, 32,
+			CR2, 32
+	}
+
 	/* Display Output Switching */
 	Method (_DOS, 1)
 	{