Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

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

diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index a65f882..5b74c36 100644 (file)
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -6,6 +6,8 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/string.h>
+#include <linux/slab.h>
 #include <linux/agp_backend.h>
 #include <asm/agp.h>
 #include "agp.h"
@@ -61,7 +63,7 @@ static int ati_create_page_map(ati_page_map *page_map)
 
        SetPageReserved(virt_to_page(page_map->real));
        err = map_page_into_agp(virt_to_page(page_map->real));
-       page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real),
+       page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
                                            PAGE_SIZE);
        if (page_map->remapped == NULL || err) {
                ClearPageReserved(virt_to_page(page_map->real));
@@ -116,14 +118,12 @@ static int ati_create_gatt_pages(int nr_tables)
        int retval = 0;
        int i;
 
-       tables = kmalloc((nr_tables + 1) * sizeof(ati_page_map *),
-                        GFP_KERNEL);
+       tables = kzalloc((nr_tables + 1) * sizeof(ati_page_map *),GFP_KERNEL);
        if (tables == NULL)
                return -ENOMEM;
 
-       memset(tables, 0, sizeof(ati_page_map *) * (nr_tables + 1));
        for (i = 0; i < nr_tables; i++) {
-               entry = kmalloc(sizeof(ati_page_map), GFP_KERNEL);
+               entry = kzalloc(sizeof(ati_page_map), GFP_KERNEL);
                if (entry == NULL) {
                        while (i>0) {
                                kfree (tables[i-1]);
@@ -134,7 +134,6 @@ static int ati_create_gatt_pages(int nr_tables)
                        retval = -ENOMEM;
                        break;
                }
-               memset(entry, 0, sizeof(ati_page_map));
                tables[i] = entry;
                retval = ati_create_page_map(entry);
                if (retval != 0) break;
@@ -245,6 +244,22 @@ static int ati_configure(void)
 }
 
 
+#ifdef CONFIG_PM
+static int agp_ati_resume(struct pci_dev *dev)
+{
+       pci_restore_state(dev);
+
+       return ati_configure();
+}
+
+static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
+{
+       pci_save_state(dev);
+
+       return 0;
+}
+#endif
+
 /*
  *Since we don't need contigious memory we just try
  * to get the gatt table once
@@ -343,7 +358,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 
        agp_bridge->gatt_table_real = (u32 *)page_dir.real;
        agp_bridge->gatt_table = (u32 __iomem *) page_dir.remapped;
-       agp_bridge->gatt_bus_addr = virt_to_bus(page_dir.real);
+       agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
 
        /* Write out the size register */
        current_size = A_SIZE_LVL2(agp_bridge->current_size);
@@ -373,7 +388,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 
        /* Calculate the agp offset */
        for(i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
-               writel(virt_to_bus(ati_generic_private.gatt_pages[i]->real) | 1,
+               writel(virt_to_gart(ati_generic_private.gatt_pages[i]->real) | 1,
                        page_dir.remapped+GET_PAGE_DIR_OFF(addr));
                readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr));        /* PCI Posting. */
        }
@@ -526,6 +541,10 @@ static struct pci_driver agp_ati_pci_driver = {
        .id_table       = agp_ati_pci_table,
        .probe          = agp_ati_probe,
        .remove         = agp_ati_remove,
+#ifdef CONFIG_PM
+       .resume         = agp_ati_resume,
+       .suspend        = agp_ati_suspend,
+#endif
 };
 
 static int __init agp_ati_init(void)