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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/module.h>
#include <linux/pci.h>
#include <linux/vgaarb.h>
#include <asm/video.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);
bool video_is_primary_device(struct device *dev)
{
struct pci_dev *pdev;
if (!dev_is_pci(dev))
return false;
pdev = to_pci_dev(dev);
return (pdev == vga_default_device());
}
EXPORT_SYMBOL(video_is_primary_device);
MODULE_LICENSE("GPL");
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