video-sti.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
 4 * Copyright (C) 2001-2020 Helge Deller <deller@gmx.de>
 5 * Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
 6 */
 7
 8#include <linux/module.h>
 9
10#include <video/sticore.h>
11
12#include <asm/video.h>
13
14bool video_is_primary_device(struct device *dev)
15{
16	struct sti_struct *sti;
17
18	sti = sti_get_rom(0);
19
20	/* if no built-in graphics card found, allow any fb driver as default */
21	if (!sti)
22		return true;
23
24	/* return true if it's the default built-in framebuffer driver */
25	return (sti->dev == dev);
26}
27EXPORT_SYMBOL(video_is_primary_device);