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/*
* Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*
*/
#include <linux/fb.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/vgaarb.h>
#include <asm/fb.h>
pgprot_t pgprot_framebuffer(pgprot_t prot,
unsigned long vm_start, unsigned long vm_end,
unsigned long offset)
{
pgprot_val(prot) &= ~_PAGE_CACHE_MASK;
if (boot_cpu_data.x86 > 3)
pgprot_val(prot) |= cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
return prot;
}
EXPORT_SYMBOL(pgprot_framebuffer);
int fb_is_primary_device(struct fb_info *info)
{
struct device *device = info->device;
struct pci_dev *pci_dev;
if (!device || !dev_is_pci(device))
return 0;
pci_dev = to_pci_dev(device);
if (pci_dev == vga_default_device())
return 1;
return 0;
}
EXPORT_SYMBOL(fb_is_primary_device);
MODULE_LICENSE("GPL");
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