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Sync cannonlake graphics with skylake

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This commit is contained in:
Jeremy Soller
2020-05-15 13:03:55 -06:00
parent ec5cb88ea1
commit b7dd4abee4
1 changed files with 38 additions and 14 deletions
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52
src/soc/intel/cannonlake/graphics.c
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@@ -17,12 +17,6 @@
#include <soc/nvs.h>
#include "chip.h"
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);
}
uintptr_t fsp_soc_get_igd_bar(void)
{
return graphics_get_memory_base();
@@ -30,12 +24,12 @@ uintptr_t fsp_soc_get_igd_bar(void)
void graphics_soc_init(struct device *dev)
{
uint32_t ddi_buf_ctl;
u32 ddi_buf_ctl;
/*
* Enable DDI-A (eDP) 4-lane operation if the link is not up yet.
* This will allow the kernel to use 4-lane eDP links properly
* if the VBIOS or GOP driver do not execute.
* if the VBIOS or GOP driver does not execute.
*/
ddi_buf_ctl = graphics_gtt_read(DDI_BUF_CTL_A);
if (!acpi_is_wakeup_s3() && !(ddi_buf_ctl & DDI_BUF_CTL_ENABLE)) {
@@ -45,8 +39,9 @@ void graphics_soc_init(struct device *dev)
}
/* IGD needs to Bus Master */
pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY |
PCI_COMMAND_IO);
u32 reg32 = pci_read_config32(dev, PCI_COMMAND);
reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
pci_write_config32(dev, PCI_COMMAND, reg32);
/*
* GFX PEIM module inside FSP binary is taking care of graphics
@@ -68,27 +63,56 @@ void graphics_soc_init(struct device *dev)
/* Initialize PCI device, load/execute BIOS Option ROM */
pci_dev_init(dev);
}
intel_gma_restore_opregion();
}
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;
}
/* Initialize IGD OpRegion, called from ACPI code */
static void update_igd_opregion(igd_opregion_t *opregion)
{
/* FIXME: Add platform specific mailbox initialization */
}
uintptr_t graphics_soc_write_acpi_opregion(const struct device *device,
uintptr_t current, struct acpi_rsdp *rsdp)
{
igd_opregion_t *opregion;
global_nvs_t *gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n");
/* If GOP is not used, exit here */
if (!CONFIG(INTEL_GMA_ADD_VBT))
return current;
/* If IGD is disabled, exit here */
if (pci_read_config16(device, PCI_VENDOR_ID) == 0xFFFF)
return current;
printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n");
opregion = (igd_opregion_t *)current;
if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS)
return current;
if (gnvs)
gnvs->aslb = (u32)(uintptr_t)opregion;
update_igd_opregion(opregion);
current += sizeof(igd_opregion_t);
current = acpi_align_current(current);
return acpi_align_current(current);
printk(BIOS_DEBUG, "current = %lx\n", current);
return current;
}
const struct i915_gpu_controller_info *