From: Sven Schnelle <svens@stackframe.org>
Date: Sun, 12 Jun 2011 12:30:10 +0000 (+0200)
Subject: i945 GMA: restore tft brightness from cmos
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=coreboot.git;a=commitdiff_plain;h=b629d14becd78c634ad412df726d964ed5d51214

i945 GMA: restore tft brightness from cmos

Change-Id: Iaf10f125425a1abcf17ffca1d6e246f955f941cc
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/24
Tested-by: build bot (Jenkins)
---

diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c
index aa927651f..252ae4002 100644
--- a/src/mainboard/lenovo/t60/romstage.c
+++ b/src/mainboard/lenovo/t60/romstage.c
@@ -336,6 +336,4 @@ void main(unsigned long bist)
 		pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, SKPAD_ACPI_S3_MAGIC);
 	}
 #endif
-	/* Set legacy Brightness control to full brightness */
-	pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, 0xff);
 }
diff --git a/src/mainboard/lenovo/x60/romstage.c b/src/mainboard/lenovo/x60/romstage.c
index c993a3565..2aa506f78 100644
--- a/src/mainboard/lenovo/x60/romstage.c
+++ b/src/mainboard/lenovo/x60/romstage.c
@@ -338,6 +338,4 @@ void main(unsigned long bist)
 		pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, SKPAD_ACPI_S3_MAGIC);
 	}
 #endif
-	/* Set legacy Brightness control to full brightness */
-	pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, 0xff);
 }
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c
index a43ef259a..340ddcd3a 100644
--- a/src/northbridge/intel/i945/gma.c
+++ b/src/northbridge/intel/i945/gma.c
@@ -21,6 +21,7 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
+#include <pc80/mc146818rtc.h>
 
 static void gma_func0_init(struct device *dev)
 {
@@ -36,11 +37,17 @@ static void gma_func0_init(struct device *dev)
 static void gma_func1_init(struct device *dev)
 {
 	u32 reg32;
+	u8 val;
 
 	/* IGD needs to be Bus Master, also enable IO accesss */
 	reg32 = pci_read_config32(dev, PCI_COMMAND);
 	pci_write_config32(dev, PCI_COMMAND, reg32 |
 			PCI_COMMAND_MASTER | PCI_COMMAND_IO);
+
+	if (!get_option(&val, "tft_brightness"))
+		pci_write_config8(dev, 0xf4, val);
+	else
+		pci_write_config8(dev, 0xf4, 0xff);
 }
 
 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)