Merge branch 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.git] / arch / x86 / kernel / pci-gart_64.c
index de9734b..ba0f0ca 100644 (file)
@@ -39,7 +39,7 @@
 #include <asm/cacheflush.h>
 #include <asm/swiotlb.h>
 #include <asm/dma.h>
-#include <asm/k8.h>
+#include <asm/amd_nb.h>
 #include <asm/x86_init.h>
 #include <asm/iommu_table.h>
 
@@ -561,8 +561,11 @@ static void enable_gart_translations(void)
 {
        int i;
 
-       for (i = 0; i < num_k8_northbridges; i++) {
-               struct pci_dev *dev = k8_northbridges[i];
+       if (!k8_northbridges.gart_supported)
+               return;
+
+       for (i = 0; i < k8_northbridges.num; i++) {
+               struct pci_dev *dev = k8_northbridges.nb_misc[i];
 
                enable_gart_translation(dev, __pa(agp_gatt_table));
        }
@@ -593,16 +596,19 @@ static void gart_fixup_northbridges(struct sys_device *dev)
        if (!fix_up_north_bridges)
                return;
 
+       if (!k8_northbridges.gart_supported)
+               return;
+
        pr_info("PCI-DMA: Restoring GART aperture settings\n");
 
-       for (i = 0; i < num_k8_northbridges; i++) {
-               struct pci_dev *dev = k8_northbridges[i];
+       for (i = 0; i < k8_northbridges.num; i++) {
+               struct pci_dev *dev = k8_northbridges.nb_misc[i];
 
                /*
                 * Don't enable translations just yet.  That is the next
                 * step.  Restore the pre-suspend aperture settings.
                 */
-               pci_write_config_dword(dev, AMD64_GARTAPERTURECTL, aperture_order << 1);
+               gart_set_size_and_enable(dev, aperture_order);
                pci_write_config_dword(dev, AMD64_GARTAPERTUREBASE, aperture_alloc >> 25);
        }
 }
@@ -650,8 +656,8 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
 
        aper_size = aper_base = info->aper_size = 0;
        dev = NULL;
-       for (i = 0; i < num_k8_northbridges; i++) {
-               dev = k8_northbridges[i];
+       for (i = 0; i < k8_northbridges.num; i++) {
+               dev = k8_northbridges.nb_misc[i];
                new_aper_base = read_aperture(dev, &new_aper_size);
                if (!new_aper_base)
                        goto nommu;
@@ -719,10 +725,13 @@ static void gart_iommu_shutdown(void)
        if (!no_agp)
                return;
 
-       for (i = 0; i < num_k8_northbridges; i++) {
+       if (!k8_northbridges.gart_supported)
+               return;
+
+       for (i = 0; i < k8_northbridges.num; i++) {
                u32 ctl;
 
-               dev = k8_northbridges[i];
+               dev = k8_northbridges.nb_misc[i];
                pci_read_config_dword(dev, AMD64_GARTAPERTURECTL, &ctl);
 
                ctl &= ~GARTEN;
@@ -740,7 +749,7 @@ int __init gart_iommu_init(void)
        unsigned long scratch;
        long i;
 
-       if (num_k8_northbridges == 0)
+       if (!k8_northbridges.gart_supported)
                return 0;
 
 #ifndef CONFIG_AGP_AMD64