49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <assert.h>
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#include <bootmode.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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static int gfx_init_done = -1;
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int gfx_get_init_done(void)
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{
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if (gfx_init_done < 0)
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return 0;
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return gfx_init_done;
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}
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void gfx_set_init_done(int done)
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{
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gfx_init_done = done;
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}
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int display_init_required(void)
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{
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/* For vboot, always honor VBOOT_WD_FLAG_DISPLAY_INIT. */
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if (CONFIG(VBOOT)) {
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/* Must always select MUST_REQUEST_DISPLAY when using this
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function. */
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if (!CONFIG(VBOOT_MUST_REQUEST_DISPLAY))
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dead_code();
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return vboot_get_working_data()->flags
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& VBOOT_WD_FLAG_DISPLAY_INIT;
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}
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/* By default always initialize display. */
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return 1;
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}
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