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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
* Copyright (C) 2019 Intel Corporation. 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>
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)
{
if (CONFIG(VBOOT_MAY_SKIP_DISPLAY_INIT)) {
/* Must always select MUST_REQUEST_DISPLAY when using this
function. */
if (!CONFIG(VBOOT_MUST_REQUEST_DISPLAY))
dead_code();
return vboot_get_working_data()->flags
& VBOOT_WD_FLAG_DISPLAY_INIT;
}
/* By default always initialize display. */
return 1;
}
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