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-rw-r--r--drivers/char/agp/Kconfig1
-rw-r--r--drivers/char/agp/amd64-agp.c2
-rw-r--r--drivers/char/agp/ati-agp.c33
-rw-r--r--drivers/char/agp/nvidia-agp.c27
4 files changed, 46 insertions, 17 deletions
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index 9826a399fa0..22f8cf218cc 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -1,6 +1,7 @@
config AGP
tristate "/dev/agpgart (AGP Support)"
depends on ALPHA || IA64 || PPC || X86
+ depends on PCI
---help---
AGP (Accelerated Graphics Port) is a bus system mainly used to
connect graphics cards to the rest of the system.
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index f690ee8cb73..f74eeeb8e37 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -734,7 +734,7 @@ int __init agp_amd64_init(void)
if (agp_off)
return -EINVAL;
- if (pci_register_driver(&agp_amd64_pci_driver) > 0) {
+ if (pci_register_driver(&agp_amd64_pci_driver) < 0) {
struct pci_dev *dev;
if (!agp_try_unsupported && !agp_try_unsupported_boot) {
printk(KERN_INFO PFX "No supported AGP bridge found.\n");
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 16056434599..f244c668273 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -41,7 +41,6 @@ static struct gatt_mask ati_generic_masks[] =
};
-
typedef struct _ati_page_map {
unsigned long *real;
unsigned long __iomem *remapped;
@@ -141,7 +140,8 @@ static int ati_create_gatt_pages(int nr_tables)
ati_generic_private.num_tables = nr_tables;
ati_generic_private.gatt_pages = tables;
- if (retval != 0) ati_free_gatt_pages();
+ if (retval != 0)
+ ati_free_gatt_pages();
return retval;
}
@@ -219,16 +219,16 @@ static int ati_configure(void)
ati_generic_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096);
if (is_r200())
- pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000);
+ pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000);
else
pci_write_config_dword(agp_bridge->dev, ATI_RS300_IG_AGPMODE, 0x20000);
/* address to map too */
- /*
+ /*
pci_read_config_dword(agp_bridge.dev, AGP_APBASE, &temp);
agp_bridge.gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
printk(KERN_INFO PFX "IGP320 gart_bus_addr: %x\n", agp_bridge.gart_bus_addr);
- */
+ */
writel(0x60000, ati_generic_private.registers+ATI_GART_FEATURE_ID);
readl(ati_generic_private.registers+ATI_GART_FEATURE_ID); /* PCI Posting.*/
@@ -245,18 +245,20 @@ static int ati_configure(void)
#ifdef CONFIG_PM
-static int agp_ati_resume(struct pci_dev *dev)
+static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
{
- pci_restore_state(dev);
+ pci_save_state(dev);
+ pci_set_power_state(dev, 3);
- return ati_configure();
+ return 0;
}
-static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state)
+static int agp_ati_resume(struct pci_dev *dev)
{
- pci_save_state(dev);
+ pci_set_power_state(dev, 0);
+ pci_restore_state(dev);
- return 0;
+ return ati_configure();
}
#endif
@@ -321,9 +323,9 @@ static int ati_remove_memory(struct agp_memory * mem, off_t pg_start,
unsigned long __iomem *cur_gatt;
unsigned long addr;
- if (type != 0 || mem->type != 0) {
+ if (type != 0 || mem->type != 0)
return -EINVAL;
- }
+
for (i = pg_start; i < (mem->page_count + pg_start); i++) {
addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
@@ -502,9 +504,8 @@ found:
bridge->dev = pdev;
bridge->capndx = cap_ptr;
-
- bridge->driver = &ati_generic_bridge;
+ bridge->driver = &ati_generic_bridge;
printk(KERN_INFO PFX "Detected Ati %s chipset\n",
devs[j].chipset_name);
@@ -546,8 +547,8 @@ static struct pci_driver agp_ati_pci_driver = {
.probe = agp_ati_probe,
.remove = agp_ati_remove,
#ifdef CONFIG_PM
- .resume = agp_ati_resume,
.suspend = agp_ati_suspend,
+ .resume = agp_ati_resume,
#endif
};
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 4c67135c12d..df7f37b2739 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -376,6 +376,29 @@ static void __devexit agp_nvidia_remove(struct pci_dev *pdev)
agp_put_bridge(bridge);
}
+#ifdef CONFIG_PM
+static int agp_nvidia_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ pci_save_state (pdev);
+ pci_set_power_state (pdev, 3);
+
+ return 0;
+}
+
+static int agp_nvidia_resume(struct pci_dev *pdev)
+{
+ /* set power state 0 and restore PCI space */
+ pci_set_power_state (pdev, 0);
+ pci_restore_state(pdev);
+
+ /* reconfigure AGP hardware again */
+ nvidia_configure();
+
+ return 0;
+}
+#endif
+
+
static struct pci_device_id agp_nvidia_pci_table[] = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
@@ -403,6 +426,10 @@ static struct pci_driver agp_nvidia_pci_driver = {
.id_table = agp_nvidia_pci_table,
.probe = agp_nvidia_probe,
.remove = agp_nvidia_remove,
+#ifdef CONFIG_PM
+ .suspend = agp_nvidia_suspend,
+ .resume = agp_nvidia_resume,
+#endif
};
static int __init agp_nvidia_init(void)