summaryrefslogtreecommitdiffstats
path: root/drivers/char/agp/frontend.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-23 02:50:50 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-23 02:50:50 +0200
commit6585b572402e5ec7936422123b44b65fef7a5ea6 (patch)
tree52eef1d14bcf6f6ad6226fca02e8198a30d7abe3 /drivers/char/agp/frontend.c
parentMerge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq (diff)
parent[AGPGART] Rework AGPv3 modesetting fallback. (diff)
downloadlinux-6585b572402e5ec7936422123b44b65fef7a5ea6.tar.xz
linux-6585b572402e5ec7936422123b44b65fef7a5ea6.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart: [AGPGART] Rework AGPv3 modesetting fallback. [AGPGART] Add suspend callback for i965 [AGPGART] Fix number of aperture sizes in 830 gart structs. [AGPGART] Intel 965 Express support. [AGPGART] agp.h: constify struct agp_bridge_data::version [AGPGART] const'ify VIA AGP PCI table. [AGPGART] CONFIG_PM=n slim: drivers/char/agp/intel-agp.c [AGPGART] CONFIG_PM=n slim: drivers/char/agp/efficeon-agp.c [AGPGART] Const'ify the agpgart driver version. [AGPGART] remove private page protection map
Diffstat (limited to 'drivers/char/agp/frontend.c')
-rw-r--r--drivers/char/agp/frontend.c27
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index d9c5a9142ad1..0f2ed2aa2d81 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -151,35 +151,12 @@ static void agp_add_seg_to_client(struct agp_client *client,
client->segments = seg;
}
-/* Originally taken from linux/mm/mmap.c from the array
- * protection_map.
- * The original really should be exported to modules, or
- * some routine which does the conversion for you
- */
-
-static const pgprot_t my_protect_map[16] =
-{
- __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111,
- __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111
-};
-
static pgprot_t agp_convert_mmap_flags(int prot)
{
-#define _trans(x,bit1,bit2) \
-((bit1==bit2)?(x&bit1):(x&bit1)?bit2:0)
-
unsigned long prot_bits;
- pgprot_t temp;
-
- prot_bits = _trans(prot, PROT_READ, VM_READ) |
- _trans(prot, PROT_WRITE, VM_WRITE) |
- _trans(prot, PROT_EXEC, VM_EXEC);
-
- prot_bits |= VM_SHARED;
- temp = my_protect_map[prot_bits & 0x0000000f];
-
- return temp;
+ prot_bits = calc_vm_prot_bits(prot) | VM_SHARED;
+ return vm_get_page_prot(prot_bits);
}
static int agp_create_segment(struct agp_client *client, struct agp_region *region)