| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2016 Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <arch/acpi.h> |
| #include <bootmode.h> |
| #include <bootstate.h> |
| |
| #include "vbt.h" |
| #include <drivers/intel/gma/opregion.h> |
| |
| void *vbt_get(void) |
| { |
| if (!IS_ENABLED(CONFIG_RUN_FSP_GOP)) |
| return NULL; |
| |
| /* Normal mode and S3 resume path PEIM GFX init is not needed. |
| * Passing NULL as VBT will not make PEIM GFX to execute. */ |
| if (acpi_is_wakeup_s3()) |
| return NULL; |
| if (!display_init_required()) |
| return NULL; |
| return locate_vbt(NULL); |
| } |