162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> 462306a36Sopenharmony_ci * Copyright (C) 2001-2020 Helge Deller <deller@gmx.de> 562306a36Sopenharmony_ci * Copyright (C) 2001-2002 Thomas Bogendoerfer <tsbogend@alpha.franken.de> 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <linux/fb.h> 962306a36Sopenharmony_ci#include <linux/module.h> 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <video/sticore.h> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ciint fb_is_primary_device(struct fb_info *info) 1462306a36Sopenharmony_ci{ 1562306a36Sopenharmony_ci struct sti_struct *sti; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci sti = sti_get_rom(0); 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci /* if no built-in graphics card found, allow any fb driver as default */ 2062306a36Sopenharmony_ci if (!sti) 2162306a36Sopenharmony_ci return true; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci /* return true if it's the default built-in framebuffer driver */ 2462306a36Sopenharmony_ci return (sti->info == info); 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ciEXPORT_SYMBOL(fb_is_primary_device); 27