+ } else if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) {
+ /*
+ * SandyBridge has new memory control reg at 0x50.w
+ */
+ u16 snb_gmch_ctl;
+ pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+ switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) {
+ case SNB_GMCH_GMS_STOLEN_32M:
+ gtt_entries = MB(32) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_64M:
+ gtt_entries = MB(64) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_96M:
+ gtt_entries = MB(96) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_128M:
+ gtt_entries = MB(128) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_160M:
+ gtt_entries = MB(160) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_192M:
+ gtt_entries = MB(192) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_224M:
+ gtt_entries = MB(224) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_256M:
+ gtt_entries = MB(256) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_288M:
+ gtt_entries = MB(288) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_320M:
+ gtt_entries = MB(320) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_352M:
+ gtt_entries = MB(352) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_384M:
+ gtt_entries = MB(384) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_416M:
+ gtt_entries = MB(416) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_448M:
+ gtt_entries = MB(448) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_480M:
+ gtt_entries = MB(480) - KB(size);
+ break;
+ case SNB_GMCH_GMS_STOLEN_512M:
+ gtt_entries = MB(512) - KB(size);
+ break;
+ }