Alexander Couzens (lynxis@fe80.eu) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14002
-gerrit
commit d0cdee89d8477a89d769b981e66bef1566947373 Author: Alexander Couzens lynxis@fe80.eu Date: Wed Mar 9 10:42:58 2016 +0100
northbridge/i945/gma: Re-enable NVRAM tft_brightness
Commit 71512b2c (northbridge/i945/gma: fix build error with native graphics init) unintentionally changed the code to ignore the NVRAM setting `tft_brightness`. Revert that hunk to restore the original behavior.
Change-Id: Iffdfc5272732bad3476f35ddac1f5a7564270531 Signed-off-by: Alexander Couzens lynxis@fe80.eu --- src/northbridge/intel/i945/gma.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c index bd0a178..df13ef4 100644 --- a/src/northbridge/intel/i945/gma.c +++ b/src/northbridge/intel/i945/gma.c @@ -465,14 +465,17 @@ static void gma_func0_disable(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_MEMORY | PCI_COMMAND_IO);
- /* Permanently set tft_brightness to 0xff. Ignore nvramtool configuration */ - pci_write_config8(dev, 0xf4, 0xff); + if (get_option(&val, "tft_brightness") == CB_SUCCESS) + 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)