Patch set updated for coreboot: d89188f sandybridge/igd: Add brightness register descriptions

[Vladimir Serbinenko]

Vladimir Serbinenko ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4618

-gerrit

commit d89188fb00966f738cf91cf6bdd2fcaf3088f591
Author: Vladimir Serbinenko 
Date:   Sun Jan 5 06:52:11 2014 +0100

sandybridge/igd: Add brightness register descriptions

Needed for brightness control for Lenovo X230

Change-Id: Ib6d127d2e050671dd402c31af06ff4726f65156c
    Signed-off-by: Vladimir Serbinenko 
---
 src/northbridge/intel/sandybridge/acpi/igd.asl | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/northbridge/intel/sandybridge/acpi/igd.asl b/src/northbridge/intel/sandybridge/acpi/igd.asl
index a6804ad..02eff2e 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)
    {