intel-gtt: use chipset generation number some more (239918f7) · Commits · 戴 / test

drivers/char/agp/intel-gtt.c

+2 −8

Original line number	Diff line number	Diff line
		@@ -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;