agp/intel: new host bridge support

Add new CPU host bridge id, needed for support Ironlake graphics
device with it. No change for graphics device itself, so no need to
update drm/i915.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 4068467..1d32d5c 100644 (file)
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -62,6 +62,7 @@
 #define PCI_DEVICE_ID_INTEL_IGDNG_D_IG     0x0042
 #define PCI_DEVICE_ID_INTEL_IGDNG_M_HB     0x0044
 #define PCI_DEVICE_ID_INTEL_IGDNG_MA_HB            0x0062
+#define PCI_DEVICE_ID_INTEL_IGDNG_MC2_HB    0x006a
 #define PCI_DEVICE_ID_INTEL_IGDNG_M_IG     0x0046
 
 /* cover 915 and 945 variants */
@@ -96,7 +97,8 @@
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_D_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_M_HB || \
-               agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_MA_HB)
+               agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_MA_HB || \
+               agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_MC2_HB)
 
 extern int agp_memory_reserved;
 
@@ -1364,6 +1366,7 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
        case PCI_DEVICE_ID_INTEL_IGDNG_D_HB:
        case PCI_DEVICE_ID_INTEL_IGDNG_M_HB:
        case PCI_DEVICE_ID_INTEL_IGDNG_MA_HB:
+       case PCI_DEVICE_ID_INTEL_IGDNG_MC2_HB:
                *gtt_offset = *gtt_size = MB(2);
                break;
        default:
@@ -2365,6 +2368,8 @@ static const struct intel_driver_description {
            "IGDNG/M", NULL, &intel_i965_driver },
        { PCI_DEVICE_ID_INTEL_IGDNG_MA_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0,
            "IGDNG/MA", NULL, &intel_i965_driver },
+       { PCI_DEVICE_ID_INTEL_IGDNG_MC2_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0,
+           "IGDNG/MC2", NULL, &intel_i965_driver },
        { 0, 0, 0, NULL, NULL, NULL }
 };
 
@@ -2561,6 +2566,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
        ID(PCI_DEVICE_ID_INTEL_IGDNG_D_HB),
        ID(PCI_DEVICE_ID_INTEL_IGDNG_M_HB),
        ID(PCI_DEVICE_ID_INTEL_IGDNG_MA_HB),
+       ID(PCI_DEVICE_ID_INTEL_IGDNG_MC2_HB),
        { }
 };