1 files changed, 60 insertions, 0 deletions
diff --git a/src/mainboard/51nb/x210/acpi/graphics.asl b/src/mainboard/51nb/x210/acpi/graphics.asl
new file mode 100644
index 0000000000..218b95758f
--- /dev/null
+++ b/src/mainboard/51nb/x210/acpi/graphics.asl
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later  */
+/* This file is part of the coreboot project. */
+
+Device (GFX0)
+{
+	Name (_ADR, 0x00020000)
+	Method (_DOS, 1, NotSerialized)
+	{
+		/* We never do anything in firmware, so _DOS is a noop */
+	}
+	Method (_DOD, 0, NotSerialized)
+	{
+		return (Package (0x03)
+		{
+			0x80000410, /* LCD */
+			0x80000120, /* VGA */
+			0x80000330 /* DP */
+		})
+	}
+	Device (LCD)
+	{
+		Method (_ADR, 0, Serialized)
+		{
+			Return (0x800000410)
+		}
+
+		Method (_BCL, 0, NotSerialized)
+		{
+			Return (Package (0x12)
+			{
+				0x0A,
+				0x0F,
+				0x00,
+				0x01,
+				0x02,
+				0x03,
+				0x04,
+				0x05,
+				0x06,
+				0x07,
+				0x08,
+				0x09,
+				0x0A,
+				0x0B,
+				0x0C,
+				0x0D,
+				0x0E,
+				0x0F
+			})
+		}
+		Method (_BCM, 1, NotSerialized)
+		{
+			\_SB.PCI0.LPCB.EC.BKLG = Arg0
+		}
+		Method (_BQC, 0, NotSerialized)
+		{
+			Return (\_SB.PCI0.LPCB.EC.BKLG)
+		}
+	}
+}