[coreboot-gerrit] Patch set updated for coreboot: 1325af7 sandybridge/igd: Add brightness register descriptions
Vladimir Serbinenko (phcoder@gmail.com)
gerrit at coreboot.org
Wed Jan 15 15:00:49 CET 2014
Vladimir Serbinenko (phcoder at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4618
-gerrit
commit 1325af79f31a14cadf69a22ffc0b5dd270fdfdeb
Author: Vladimir Serbinenko <phcoder at gmail.com>
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 <phcoder at gmail.com>
---
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..cfc12ed 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)
{
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