diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/haswell/gma.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c index 6cd1f6f1d7..4baea7071d 100644 --- a/src/northbridge/intel/haswell/gma.c +++ b/src/northbridge/intel/haswell/gma.c @@ -437,6 +437,20 @@ static void gma_pm_init_post_vbios(struct device *dev) gtt_write(0x0a188, 0x00000001); } +/* Enable SCI to ACPI _GPE._L06 */ +static void gma_enable_swsci(void) +{ + u16 reg16; + + /* clear DMISCI status */ + reg16 = inw(get_pmbase() + TCO1_STS); + reg16 &= DMISCI_STS; + outw(get_pmbase() + TCO1_STS, reg16); + + /* clear and enable ACPI TCO SCI */ + enable_tco_sci(); +} + static void gma_func0_init(struct device *dev) { int lightup_ok = 0; @@ -475,6 +489,9 @@ static void gma_func0_init(struct device *dev) /* Post panel init */ gma_pm_init_post_vbios(dev); + + gma_enable_swsci(); + intel_gma_restore_opregion(); } static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device) @@ -509,20 +526,6 @@ static void gma_ssdt(device_t device) drivers_intel_gma_displays_ssdt_generate(gfx); } -/* Enable SCI to ACPI _GPE._L06 */ -static void gma_enable_swsci(void) -{ - u16 reg16; - - /* clear DMISCI status */ - reg16 = inw(get_pmbase() + TCO1_STS); - reg16 &= DMISCI_STS; - outw(get_pmbase() + TCO1_STS, reg16); - - /* clear and enable ACPI TCO SCI */ - enable_tco_sci(); -} - static unsigned long gma_write_acpi_tables(struct device *const dev, unsigned long current, @@ -545,8 +548,6 @@ gma_write_acpi_tables(struct device *const dev, printk(BIOS_ERR, "Error: GNVS table not found.\n"); } - gma_enable_swsci(); - current = acpi_align_current(current); return current; } |