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path: root/drivers/char/agp/generic.c
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Diffstat (limited to 'drivers/char/agp/generic.c')
-rw-r--r--drivers/char/agp/generic.c36
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index c321a924e38a..f0079e991bdc 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -153,7 +153,7 @@ void agp_free_memory(struct agp_memory *curr)
153 } 153 }
154 if (curr->page_count != 0) { 154 if (curr->page_count != 0) {
155 for (i = 0; i < curr->page_count; i++) { 155 for (i = 0; i < curr->page_count; i++) {
156 curr->bridge->driver->agp_destroy_page(phys_to_virt(curr->memory[i])); 156 curr->bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[i]));
157 } 157 }
158 } 158 }
159 agp_free_key(curr->key); 159 agp_free_key(curr->key);
@@ -209,7 +209,7 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge,
209 agp_free_memory(new); 209 agp_free_memory(new);
210 return NULL; 210 return NULL;
211 } 211 }
212 new->memory[i] = virt_to_phys(addr); 212 new->memory[i] = virt_to_gart(addr);
213 new->page_count++; 213 new->page_count++;
214 } 214 }
215 new->bridge = bridge; 215 new->bridge = bridge;
@@ -295,19 +295,6 @@ int agp_num_entries(void)
295EXPORT_SYMBOL_GPL(agp_num_entries); 295EXPORT_SYMBOL_GPL(agp_num_entries);
296 296
297 297
298static int check_bridge_mode(struct pci_dev *dev)
299{
300 u32 agp3;
301 u8 cap_ptr;
302
303 cap_ptr = pci_find_capability(dev, PCI_CAP_ID_AGP);
304 pci_read_config_dword(dev, cap_ptr+AGPSTAT, &agp3);
305 if (agp3 & AGPSTAT_MODE_3_0)
306 return 1;
307 return 0;
308}
309
310
311/** 298/**
312 * agp_copy_info - copy bridge state information 299 * agp_copy_info - copy bridge state information
313 * 300 *
@@ -328,7 +315,7 @@ int agp_copy_info(struct agp_bridge_data *bridge, struct agp_kern_info *info)
328 info->version.minor = bridge->version->minor; 315 info->version.minor = bridge->version->minor;
329 info->chipset = SUPPORTED; 316 info->chipset = SUPPORTED;
330 info->device = bridge->dev; 317 info->device = bridge->dev;
331 if (check_bridge_mode(bridge->dev)) 318 if (bridge->mode & AGPSTAT_MODE_3_0)
332 info->mode = bridge->mode & ~AGP3_RESERVED_MASK; 319 info->mode = bridge->mode & ~AGP3_RESERVED_MASK;
333 else 320 else
334 info->mode = bridge->mode & ~AGP2_RESERVED_MASK; 321 info->mode = bridge->mode & ~AGP2_RESERVED_MASK;
@@ -661,7 +648,7 @@ u32 agp_collect_device_status(struct agp_bridge_data *bridge, u32 requested_mode
661 bridge_agpstat &= ~AGPSTAT_FW; 648 bridge_agpstat &= ~AGPSTAT_FW;
662 649
663 /* Check to see if we are operating in 3.0 mode */ 650 /* Check to see if we are operating in 3.0 mode */
664 if (check_bridge_mode(agp_bridge->dev)) 651 if (agp_bridge->mode & AGPSTAT_MODE_3_0)
665 agp_v3_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat); 652 agp_v3_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat);
666 else 653 else
667 agp_v2_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat); 654 agp_v2_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat);
@@ -732,7 +719,7 @@ void agp_generic_enable(struct agp_bridge_data *bridge, u32 requested_mode)
732 719
733 /* Do AGP version specific frobbing. */ 720 /* Do AGP version specific frobbing. */
734 if (bridge->major_version >= 3) { 721 if (bridge->major_version >= 3) {
735 if (check_bridge_mode(bridge->dev)) { 722 if (bridge->mode & AGPSTAT_MODE_3_0) {
736 /* If we have 3.5, we can do the isoch stuff. */ 723 /* If we have 3.5, we can do the isoch stuff. */
737 if (bridge->minor_version >= 5) 724 if (bridge->minor_version >= 5)
738 agp_3_5_enable(bridge); 725 agp_3_5_enable(bridge);
@@ -806,8 +793,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
806 break; 793 break;
807 } 794 }
808 795
809 table = (char *) __get_free_pages(GFP_KERNEL, 796 table = alloc_gatt_pages(page_order);
810 page_order);
811 797
812 if (table == NULL) { 798 if (table == NULL) {
813 i++; 799 i++;
@@ -838,7 +824,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
838 size = ((struct aper_size_info_fixed *) temp)->size; 824 size = ((struct aper_size_info_fixed *) temp)->size;
839 page_order = ((struct aper_size_info_fixed *) temp)->page_order; 825 page_order = ((struct aper_size_info_fixed *) temp)->page_order;
840 num_entries = ((struct aper_size_info_fixed *) temp)->num_entries; 826 num_entries = ((struct aper_size_info_fixed *) temp)->num_entries;
841 table = (char *) __get_free_pages(GFP_KERNEL, page_order); 827 table = alloc_gatt_pages(page_order);
842 } 828 }
843 829
844 if (table == NULL) 830 if (table == NULL)
@@ -853,7 +839,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
853 agp_gatt_table = (void *)table; 839 agp_gatt_table = (void *)table;
854 840
855 bridge->driver->cache_flush(); 841 bridge->driver->cache_flush();
856 bridge->gatt_table = ioremap_nocache(virt_to_phys(table), 842 bridge->gatt_table = ioremap_nocache(virt_to_gart(table),
857 (PAGE_SIZE * (1 << page_order))); 843 (PAGE_SIZE * (1 << page_order)));
858 bridge->driver->cache_flush(); 844 bridge->driver->cache_flush();
859 845
@@ -861,11 +847,11 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
861 for (page = virt_to_page(table); page <= virt_to_page(table_end); page++) 847 for (page = virt_to_page(table); page <= virt_to_page(table_end); page++)
862 ClearPageReserved(page); 848 ClearPageReserved(page);
863 849
864 free_pages((unsigned long) table, page_order); 850 free_gatt_pages(table, page_order);
865 851
866 return -ENOMEM; 852 return -ENOMEM;
867 } 853 }
868 bridge->gatt_bus_addr = virt_to_phys(bridge->gatt_table_real); 854 bridge->gatt_bus_addr = virt_to_gart(bridge->gatt_table_real);
869 855
870 /* AK: bogus, should encode addresses > 4GB */ 856 /* AK: bogus, should encode addresses > 4GB */
871 for (i = 0; i < num_entries; i++) { 857 for (i = 0; i < num_entries; i++) {
@@ -919,7 +905,7 @@ int agp_generic_free_gatt_table(struct agp_bridge_data *bridge)
919 for (page = virt_to_page(table); page <= virt_to_page(table_end); page++) 905 for (page = virt_to_page(table); page <= virt_to_page(table_end); page++)
920 ClearPageReserved(page); 906 ClearPageReserved(page);
921 907
922 free_pages((unsigned long) bridge->gatt_table_real, page_order); 908 free_gatt_pages(bridge->gatt_table_real, page_order);
923 909
924 agp_gatt_table = NULL; 910 agp_gatt_table = NULL;
925 bridge->gatt_table = NULL; 911 bridge->gatt_table = NULL;