diff options
Diffstat (limited to 'src/soc/intel/baytrail/gfx.c')
| -rw-r--r-- | src/soc/intel/baytrail/gfx.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/gfx.c b/src/soc/intel/baytrail/gfx.c index 57e13291ae..45bcd7ba7d 100644 --- a/src/soc/intel/baytrail/gfx.c +++ b/src/soc/intel/baytrail/gfx.c @@ -19,13 +19,16 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <drivers/intel/gma/opregion.h> #include <reg_script.h> #include <stdlib.h> #include <soc/gfx.h> #include <soc/iosf.h> +#include <soc/nvs.h> #include <soc/pci_devs.h> #include <soc/ramstage.h> +#include <cbmem.h> #include "chip.h" @@ -362,6 +365,19 @@ static void gfx_panel_setup(device_t dev) } } +uintptr_t gma_get_gnvs_aslb(const void *gnvs) +{ + const global_nvs_t *gnvs_ptr = gnvs; + return (uintptr_t)(gnvs_ptr ? gnvs_ptr->aslb : 0); +} + +void gma_set_gnvs_aslb(void *gnvs, uintptr_t aslb) +{ + global_nvs_t *gnvs_ptr = gnvs; + if (gnvs_ptr) + gnvs_ptr->aslb = aslb; +} + static void gfx_init(device_t dev) { /* Pre VBIOS Init */ @@ -377,6 +393,35 @@ static void gfx_init(device_t dev) /* Post VBIOS Init */ gfx_post_vbios_init(dev); + + /* Restore opregion on S3 resume */ + intel_gma_restore_opregion(); +} + +static unsigned long +gma_write_acpi_tables(struct device *const dev, + unsigned long current, + struct acpi_rsdp *const rsdp) +{ + igd_opregion_t *opregion = (igd_opregion_t *)current; + global_nvs_t *gnvs; + + if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) + return current; + + current += sizeof(igd_opregion_t); + + /* GNVS has been already set up */ + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (gnvs) { + /* IGD OpRegion Base Address */ + gma_set_gnvs_aslb(gnvs, (uintptr_t)opregion); + } else { + printk(BIOS_ERR, "Error: GNVS table not found.\n"); + } + + current = acpi_align_current(current); + return current; } static struct device_operations gfx_device_ops = { @@ -385,6 +430,7 @@ static struct device_operations gfx_device_ops = { .enable_resources = pci_dev_enable_resources, .init = gfx_init, .ops_pci = &soc_pci_ops, + .write_acpi_tables = gma_write_acpi_tables, }; static const struct pci_driver gfx_driver __pci_driver = { |