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authorSven Schnelle <svens@stackframe.org>2011-06-12 14:30:10 +0200
committerSven Schnelle <svens@stackframe.org>2011-06-15 19:40:24 +0200
commitb629d14becd78c634ad412df726d964ed5d51214 (patch)
treea72a1cc46c1ba113c4445080c2d8bdb91c77dc6a /src
parentd4dc9a5a039123f788848d1fa54926270b6c8805 (diff)
downloadcoreboot-b629d14becd78c634ad412df726d964ed5d51214.tar.xz
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)
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/lenovo/t60/romstage.c2
-rw-r--r--src/mainboard/lenovo/x60/romstage.c2
-rw-r--r--src/northbridge/intel/i945/gma.c7
3 files changed, 7 insertions, 4 deletions
diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c
index aa927651fc..252ae40023 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 c993a3565f..2aa506f78c 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 a43ef259aa..340ddcd3a1 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)