Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

* master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart:
  [AGPGART] sworks-agp: Switch to PCI ref counting APIs
  [AGPGART] Nvidia AGP: Use refcount aware PCI interfaces
  [AGPGART] Fix sparse warning in sgi-agp.c
  [AGPGART] Intel-agp adjustments
  [AGPGART] Move [un]map_page_into_agp into asm/agp.h
  [AGPGART] Add missing calls to global_flush_tlb() to ali-agp
  [AGPGART] prevent probe collision of sis-agp and amd64_agp

9 files changed, 201 insertions, 158 deletions

diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 5b684fd..4941ddb 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -145,6 +145,7 @@ static void *m1541_alloc_page(struct agp_bridge_data *bridge)
 	void *addr = agp_generic_alloc_page(agp_bridge);
 	u32 temp;
 
+	global_flush_tlb();
 	if (!addr)
 		return NULL;
 
@@ -160,6 +161,7 @@ static void ali_destroy_page(void * addr)
 	if (addr) {
 		global_cache_flush();	/* is this really needed?  --hch */
 		agp_generic_destroy_page(addr);
+		global_flush_tlb();
 	}
 }
 
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index f902d71..45aeb91 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -51,28 +51,6 @@ int agp_memory_reserved;
  */
 EXPORT_SYMBOL_GPL(agp_memory_reserved);
 
-#if defined(CONFIG_X86)
-int map_page_into_agp(struct page *page)
-{
-	int i;
-	i = change_page_attr(page, 1, PAGE_KERNEL_NOCACHE);
-	/* Caller's responsibility to call global_flush_tlb() for
-	 * performance reasons */
-	return i;
-}
-EXPORT_SYMBOL_GPL(map_page_into_agp);
-
-int unmap_page_from_agp(struct page *page)
-{
-	int i;
-	i = change_page_attr(page, 1, PAGE_KERNEL);
-	/* Caller's responsibility to call global_flush_tlb() for
-	 * performance reasons */
-	return i;
-}
-EXPORT_SYMBOL_GPL(unmap_page_from_agp);
-#endif
-
 /*
  * Generic routines for handling agp_memory structures -
  * They use the basic page allocation routines to do the brunt of the work.
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 55392a4..9c69f2e 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -186,8 +186,9 @@ static void *i8xx_alloc_pages(void)
 		return NULL;
 
 	if (change_page_attr(page, 4, PAGE_KERNEL_NOCACHE) < 0) {
+		change_page_attr(page, 4, PAGE_KERNEL);
 		global_flush_tlb();
-		__free_page(page);
+		__free_pages(page, 2);
 		return NULL;
 	}
 	global_flush_tlb();
@@ -209,7 +210,7 @@ static void i8xx_destroy_pages(void *addr)
 	global_flush_tlb();
 	put_page(page);
 	unlock_page(page);
-	free_pages((unsigned long)addr, 2);
+	__free_pages(page, 2);
 	atomic_dec(&agp_bridge->current_memory_agp);
 }
 
@@ -315,9 +316,6 @@ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
 	struct agp_memory *new;
 	void *addr;
 
-	if (pg_count != 1 && pg_count != 4)
-		return NULL;
-
 	switch (pg_count) {
 	case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge);
 		global_flush_tlb();
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 0c9dab5..6cd7373 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -320,11 +320,11 @@ static int __devinit agp_nvidia_probe(struct pci_dev *pdev,
 	u8 cap_ptr;
 
 	nvidia_private.dev_1 =
-		pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
+		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
 	nvidia_private.dev_2 =
-		pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
+		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
 	nvidia_private.dev_3 =
-		pci_find_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
+		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
 
 	if (!nvidia_private.dev_1 || !nvidia_private.dev_2 || !nvidia_private.dev_3) {
 		printk(KERN_INFO PFX "Detected an NVIDIA nForce/nForce2 "
@@ -443,6 +443,9 @@ static int __init agp_nvidia_init(void)
 static void __exit agp_nvidia_cleanup(void)
 {
 	pci_unregister_driver(&agp_nvidia_pci_driver);
+	pci_dev_put(nvidia_private.dev_1);
+	pci_dev_put(nvidia_private.dev_2);
+	pci_dev_put(nvidia_private.dev_3);
 }
 
 module_init(agp_nvidia_init);
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index ee8f50e..cda608c 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -47,9 +47,8 @@ static void *sgi_tioca_alloc_page(struct agp_bridge_data *bridge)
 
 	nid = info->ca_closest_node;
 	page = alloc_pages_node(nid, GFP_KERNEL, 0);
-	if (page == NULL) {
-		return 0;
-	}
+	if (!page)
+		return NULL;
 
 	get_page(page);
 	SetPageLocked(page);
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index 125f428..eb1a1c7 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -143,96 +143,6 @@ static struct agp_bridge_driver sis_driver = {
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_device_ids sis_agp_device_ids[] __devinitdata =
-{
-	{
-		.device_id	= PCI_DEVICE_ID_SI_5591_AGP,
-		.chipset_name	= "5591",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_530,
-		.chipset_name	= "530",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_540,
-		.chipset_name	= "540",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_550,
-		.chipset_name	= "550",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_620,
-		.chipset_name	= "620",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_630,
-		.chipset_name	= "630",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_635,
-		.chipset_name	= "635",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_645,
-		.chipset_name	= "645",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_646,
-		.chipset_name	= "646",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_648,
-		.chipset_name	= "648",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_650,
-		.chipset_name	= "650",
-	},
-	{
-		.device_id  = PCI_DEVICE_ID_SI_651,
-		.chipset_name   = "651",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_655,
-		.chipset_name	= "655",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_661,
-		.chipset_name	= "661",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_730,
-		.chipset_name	= "730",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_735,
-		.chipset_name	= "735",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_740,
-		.chipset_name	= "740",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_741,
-		.chipset_name	= "741",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_745,
-		.chipset_name	= "745",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_746,
-		.chipset_name	= "746",
-	},
-	{
-		.device_id	= PCI_DEVICE_ID_SI_760,
-		.chipset_name	= "760",
-	},
-	{ }, /* dummy final entry, always present */
-};
-
-
 // chipsets that require the 'delay hack'
 static int sis_broken_chipsets[] __devinitdata = {
 	PCI_DEVICE_ID_SI_648,
@@ -269,29 +179,15 @@ static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
 static int __devinit agp_sis_probe(struct pci_dev *pdev,
 				   const struct pci_device_id *ent)
 {
-	struct agp_device_ids *devs = sis_agp_device_ids;
 	struct agp_bridge_data *bridge;
 	u8 cap_ptr;
-	int j;
 
 	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
 	if (!cap_ptr)
 		return -ENODEV;
 
-	/* probe for known chipsets */
-	for (j = 0; devs[j].chipset_name; j++) {
-		if (pdev->device == devs[j].device_id) {
-			printk(KERN_INFO PFX "Detected SiS %s chipset\n",
-					devs[j].chipset_name);
-			goto found;
-		}
-	}
-
-	printk(KERN_ERR PFX "Unsupported SiS chipset (device id: %04x)\n",
-		    pdev->device);
-	return -ENODEV;
 
-found:
+	printk(KERN_INFO PFX "Detected SiS chipset - id:%i\n", pdev->device);
 	bridge = agp_alloc_bridge();
 	if (!bridge)
 		return -ENOMEM;
@@ -320,12 +216,172 @@ static void __devexit agp_sis_remove(struct pci_dev *pdev)
 
 static struct pci_device_id agp_sis_pci_table[] = {
 	{
-	.class		= (PCI_CLASS_BRIDGE_HOST << 8),
-	.class_mask	= ~0,
-	.vendor		= PCI_VENDOR_ID_SI,
-	.device		= PCI_ANY_ID,
-	.subvendor	= PCI_ANY_ID,
-	.subdevice	= PCI_ANY_ID,
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_5591_AGP,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_530,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_540,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_550,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_620,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_630,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_635,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_645,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_646,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_648,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_650,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_651,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_655,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_661,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_730,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_735,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_740,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_741,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_745,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_746,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
+	},
+	{
+		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+		.class_mask	= ~0,
+		.vendor		= PCI_VENDOR_ID_SI,
+		.device		= PCI_DEVICE_ID_SI_760,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= PCI_ANY_ID,
 	},
 	{ }
 };
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 55212a3..551ef25 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -455,15 +455,6 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
 	u32 temp, temp2;
 	u8 cap_ptr = 0;
 
-	/* Everything is on func 1 here so we are hardcoding function one */
-	bridge_dev = pci_find_slot((unsigned int)pdev->bus->number,
-			PCI_DEVFN(0, 1));
-	if (!bridge_dev) {
-		printk(KERN_INFO PFX "Detected a Serverworks chipset "
-		       "but could not find the secondary device.\n");
-		return -ENODEV;
-	}
-
 	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
 
 	switch (pdev->device) {
@@ -483,6 +474,15 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
 		return -ENODEV;
 	}
 
+	/* Everything is on func 1 here so we are hardcoding function one */
+	bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
+			PCI_DEVFN(0, 1));
+	if (!bridge_dev) {
+		printk(KERN_INFO PFX "Detected a Serverworks chipset "
+		       "but could not find the secondary device.\n");
+		return -ENODEV;
+	}
+
 	serverworks_private.svrwrks_dev = bridge_dev;
 	serverworks_private.gart_addr_ofs = 0x10;
 
@@ -515,7 +515,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
 
 	bridge->driver = &sworks_driver;
 	bridge->dev_private_data = &serverworks_private,
-	bridge->dev = pdev;
+	bridge->dev = pci_dev_get(pdev);
 
 	pci_set_drvdata(pdev, bridge);
 	return agp_add_bridge(bridge);
@@ -525,8 +525,11 @@ static void __devexit agp_serverworks_remove(struct pci_dev *pdev)
 {
 	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
 
+	pci_dev_put(bridge->dev);
 	agp_remove_bridge(bridge);
 	agp_put_bridge(bridge);
+	pci_dev_put(serverworks_private.svrwrks_dev);
+	serverworks_private.svrwrks_dev = NULL;
 }
 
 static struct pci_device_id agp_serverworks_pci_table[] = {
diff --git a/include/asm-i386/agp.h b/include/asm-i386/agp.h
index 9075083..6af173d 100644
--- a/include/asm-i386/agp.h
+++ b/include/asm-i386/agp.h
@@ -12,8 +12,10 @@
  * data corruption on some CPUs.
  */
 
-int map_page_into_agp(struct page *page);
-int unmap_page_from_agp(struct page *page);
+/* Caller's responsibility to call global_flush_tlb() for
+ * performance reasons */
+#define map_page_into_agp(page) change_page_attr(page, 1, PAGE_KERNEL_NOCACHE)
+#define unmap_page_from_agp(page) change_page_attr(page, 1, PAGE_KERNEL)
 #define flush_agp_mappings() global_flush_tlb()
 
 /* Could use CLFLUSH here if the cpu supports it. But then it would
diff --git a/include/asm-x86_64/agp.h b/include/asm-x86_64/agp.h
index 06c52ee..de33866 100644
--- a/include/asm-x86_64/agp.h
+++ b/include/asm-x86_64/agp.h
@@ -10,8 +10,10 @@
  * with different cachability attributes for the same page.
  */
 
-int map_page_into_agp(struct page *page);
-int unmap_page_from_agp(struct page *page);
+/* Caller's responsibility to call global_flush_tlb() for
+ * performance reasons */
+#define map_page_into_agp(page) change_page_attr(page, 1, PAGE_KERNEL_NOCACHE)
+#define unmap_page_from_agp(page) change_page_attr(page, 1, PAGE_KERNEL)
 #define flush_agp_mappings() global_flush_tlb()
 
 /* Could use CLFLUSH here if the cpu supports it. But then it would