Patchwork Patch set updated: 412e186 i945 GMA: restore tft brightness from cmos

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Submitter gerrit@coreboot.org
Date 2011-06-15 14:03:20
Message ID <E1QWqgi-0006VB-QG@ra.coresystems.de>
Download mbox | patch
Permalink /patch/3145/
State New, archived
Headers show

Comments

gerrit@coreboot.org - 2011-06-15 14:03:20
Sven Schnelle (svens@stackframe.org) just uploaded a new patch set to gerrit, which you can find at
http://review.coreboot.org/24

-gerrit

commit 412e18612707f6251f933a67b31dedb0cfe7933f
Author: Sven Schnelle <svens@stackframe.org>
Date:   Sun Jun 12 14:30:10 2011 +0200

    i945 GMA: restore tft brightness from cmos
    
    Change-Id: Iaf10f125425a1abcf17ffca1d6e246f955f941cc
    Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
 src/mainboard/lenovo/t60/romstage.c |    2 --
 src/mainboard/lenovo/x60/romstage.c |    2 --
 src/northbridge/intel/i945/gma.c    |    7 +++++++
 3 files changed, 7 insertions(+), 4 deletions(-)

Patch

diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c
index aa92765..252ae40 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 c993a35..2aa506f 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 a43ef25..340ddcd 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)