include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...

[pandora-kernel.git] / drivers / char / agp / intel-agp.c

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 919a285..d41331b 100644 (file)
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -4,6 +4,7 @@
 
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/pagemap.h>
@@ -97,6 +98,9 @@ EXPORT_SYMBOL(intel_agp_enabled);
 #define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
 
+#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
+               agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+
 #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
@@ -107,8 +111,7 @@ EXPORT_SYMBOL(intel_agp_enabled);
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
                agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
-               agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
-               agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+               IS_SNB)
 
 extern int agp_memory_reserved;
 
@@ -175,6 +178,10 @@ extern int agp_memory_reserved;
 #define SNB_GMCH_GMS_STOLEN_448M       (0xe << 3)
 #define SNB_GMCH_GMS_STOLEN_480M       (0xf << 3)
 #define SNB_GMCH_GMS_STOLEN_512M       (0x10 << 3)
+#define SNB_GTT_SIZE_0M                        (0 << 8)
+#define SNB_GTT_SIZE_1M                        (1 << 8)
+#define SNB_GTT_SIZE_2M                        (2 << 8)
+#define SNB_GTT_SIZE_MASK              (3 << 8)
 
 static const struct aper_size_info_fixed intel_i810_sizes[] =
 {
@@ -298,7 +305,7 @@ static void intel_agp_insert_sg_entries(struct agp_memory *mem,
                        j++;
                }
        } else {
-               /* sg may merge pages, but we have to seperate
+               /* sg may merge pages, but we have to separate
                 * per-page addr for GTT */
                unsigned int len, m;
 
@@ -1200,6 +1207,9 @@ static void intel_i9xx_setup_flush(void)
        if (intel_private.ifp_resource.start)
                return;
 
+       if (IS_SNB)
+               return;
+
        /* setup a resource for this object */
        intel_private.ifp_resource.name = "Intel Flush Page";
        intel_private.ifp_resource.flags = IORESOURCE_MEM;
@@ -1438,6 +1448,8 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
 
 static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
 {
+       u16 snb_gmch_ctl;
+
        switch (agp_bridge->dev->device) {
        case PCI_DEVICE_ID_INTEL_GM45_HB:
        case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB:
@@ -1449,9 +1461,26 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
        case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB:
        case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB:
        case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB:
+               *gtt_offset = *gtt_size = MB(2);
+               break;
        case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB:
        case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB:
-               *gtt_offset = *gtt_size = MB(2);
+               *gtt_offset = MB(2);
+
+               pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+               switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) {
+               default:
+               case SNB_GTT_SIZE_0M:
+                       printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl);
+                       *gtt_size = MB(0);
+                       break;
+               case SNB_GTT_SIZE_1M:
+                       *gtt_size = MB(1);
+                       break;
+               case SNB_GTT_SIZE_2M:
+                       *gtt_size = MB(2);
+                       break;
+               }
                break;
        default:
                *gtt_offset = *gtt_size = KB(512);