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- From cb40445b1debc5900835f94d0aa3287cc213a0d5 Mon Sep 17 00:00:00 2001
- From: Francis Rowe <info@gluglug.org.uk>
- Date: Mon, 29 Dec 2014 21:02:48 +0000
- Subject: [PATCH 12/17] gm45: fix uneven backlight (native gfx init)
- When setting brightness levels low, backlight becomes uneven.
- This patch fixes that.
- Tested on X200.
- Change-Id: Ie71bf696ba4431ab25076f92dd5fdc9fdc167b09
- Signed-off-by: Francis Rowe <info@gluglug.org.uk>
- ---
- src/northbridge/intel/gm45/acpi/igd.asl | 6 +++---
- 1 file changed, 3 insertions(+), 3 deletions(-)
- diff --git a/src/northbridge/intel/gm45/acpi/igd.asl b/src/northbridge/intel/gm45/acpi/igd.asl
- index 696cc2b..39fefb2 100644
- --- a/src/northbridge/intel/gm45/acpi/igd.asl
- +++ b/src/northbridge/intel/gm45/acpi/igd.asl
- @@ -62,15 +62,15 @@ Device (GFX0)
-
- Method (XBCM, 1, NotSerialized)
- {
- - Store (ShiftLeft (Arg0, 4), BCLV)
- + Store (ShiftLeft (Arg0, 8), BCLV)
- Store (0x80000000, CR1)
- - Store (0x0610, BCLM)
- + Store (ShiftLeft (0x61, 8), BCLM)
- }
-
- Method (XBQC, 0, NotSerialized)
- {
- Store (BCLV, Local0)
- - ShiftRight (Local0, 4, Local0)
- + ShiftRight (Local0, 8, Local0)
- Return (Local0)
- }
- #include <drivers/intel/gma/igd.asl>
- --
- 1.9.1
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