From b629d14becd78c634ad412df726d964ed5d51214 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Sun, 12 Jun 2011 14:30:10 +0200 Subject: [PATCH] i945 GMA: restore tft brightness from cmos Change-Id: Iaf10f125425a1abcf17ffca1d6e246f955f941cc Signed-off-by: Sven Schnelle Reviewed-on: http://review.coreboot.org/24 Tested-by: build bot (Jenkins) --- 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(-) 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 #include #include +#include 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)