| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| * |
| * 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 <assert.h> |
| #include <bootmode.h> |
| #include <security/vboot/misc.h> |
| #include <vb2_api.h> |
| |
| static int gfx_init_done = -1; |
| |
| int gfx_get_init_done(void) |
| { |
| if (gfx_init_done < 0) |
| return 0; |
| return gfx_init_done; |
| } |
| |
| void gfx_set_init_done(int done) |
| { |
| gfx_init_done = done; |
| } |
| |
| int display_init_required(void) |
| { |
| /* For vboot, always honor VB2_CONTEXT_DISPLAY_INIT. */ |
| if (CONFIG(VBOOT)) { |
| /* Must always select MUST_REQUEST_DISPLAY when using this |
| function. */ |
| if (!CONFIG(VBOOT_MUST_REQUEST_DISPLAY)) |
| dead_code(); |
| return vboot_get_context()->flags & VB2_CONTEXT_DISPLAY_INIT; |
| } |
| |
| /* By default always initialize display. */ |
| return 1; |
| } |