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intel-gtt: use chipset generation number some more 

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Daniel Vetter 2010-08-31 22:30:43 +02:00 committed by Chris Wilson
parent 3b15a9d7cd
commit 239918f7a5
1 changed files with 2 additions and 8 deletions
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10
drivers/char/agp/intel-gtt.c
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@ -782,20 +782,14 @@ static unsigned int intel_gtt_mappable_entries(void)
pci_read_config_word(intel_private.bridge_dev,
I830_GMCH_CTRL, &gmch_ctrl);
switch (intel_private.pcidev->device) {
case PCI_DEVICE_ID_INTEL_82830_CGC:
case PCI_DEVICE_ID_INTEL_82845G_IG:
case PCI_DEVICE_ID_INTEL_82855GM_IG:
case PCI_DEVICE_ID_INTEL_82865_IG:
if (INTEL_GTT_GEN == 2) {
if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_64M)
aperture_size *= 64;
else
aperture_size *= 128;
break;
default:
} else {
/* 9xx supports large sizes, just look at the length */
aperture_size = pci_resource_len(intel_private.pcidev, 2);
break;
}
return aperture_size >> PAGE_SHIFT;