---

yaml
---
r: 108218
b: refs/heads/master
c: a8c84df
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e3cf69511a2c5369c58f6fd6a065de152c3d4b22
+refs/heads/master: a8c84df9f71e4a7b14bdd41687a70d366c087eef

trunk/drivers/char/agp/agp.h

@@ -148,6 +148,9 @@ struct agp_bridge_data {
 	char minor_version;
 	struct list_head list;
 	u32 apbase_config;
+	/* list of agp_memory mapped to the aperture */
+	struct list_head mapped_list;
+	spinlock_t mapped_lock;
 };
 
 #define KB(x)	((x) * 1024)

trunk/drivers/char/agp/backend.c

@@ -185,6 +185,8 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
 		rc = -EINVAL;
 		goto err_out;
 	}
+	INIT_LIST_HEAD(&bridge->mapped_list);
+	spin_lock_init(&bridge->mapped_lock);
 
 	return 0;
 

trunk/drivers/char/agp/generic.c

@@ -429,6 +429,10 @@ int agp_bind_memory(struct agp_memory *curr, off_t pg_start)
 
 	curr->is_bound = true;
 	curr->pg_start = pg_start;
+	spin_lock(&agp_bridge->mapped_lock);
+	list_add(&curr->mapped_list, &agp_bridge->mapped_list);
+	spin_unlock(&agp_bridge->mapped_lock);
+
 	return 0;
 }
 EXPORT_SYMBOL(agp_bind_memory);
@@ -461,10 +465,34 @@ int agp_unbind_memory(struct agp_memory *curr)
 
 	curr->is_bound = false;
 	curr->pg_start = 0;
+	spin_lock(&curr->bridge->mapped_lock);
+	list_del(&curr->mapped_list);
+	spin_unlock(&curr->bridge->mapped_lock);
 	return 0;
 }
 EXPORT_SYMBOL(agp_unbind_memory);
 
+/**
+ *	agp_rebind_emmory  -  Rewrite the entire GATT, useful on resume
+ */
+int agp_rebind_memory(void)
+{
+	struct agp_memory *curr;
+	int ret_val = 0;
+
+	spin_lock(&agp_bridge->mapped_lock);
+	list_for_each_entry(curr, &agp_bridge->mapped_list, mapped_list) {
+		ret_val = curr->bridge->driver->insert_memory(curr,
+							      curr->pg_start,
+							      curr->type);
+		if (ret_val != 0)
+			break;
+	}
+	spin_unlock(&agp_bridge->mapped_lock);
+	return ret_val;
+}
+EXPORT_SYMBOL(agp_rebind_memory);
+
 /* End - Routines for handling swapping of agp_memory into the GATT */
 
 

trunk/drivers/char/agp/intel-agp.c

@@ -2244,6 +2244,7 @@ static void __devexit agp_intel_remove(struct pci_dev *pdev)
 static int agp_intel_resume(struct pci_dev *pdev)
 {
 	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
+	int ret_val;
 
 	pci_restore_state(pdev);
 
@@ -2271,6 +2272,10 @@ static int agp_intel_resume(struct pci_dev *pdev)
 	else if (bridge->driver == &intel_i965_driver)
 		intel_i915_configure();
 
+	ret_val = agp_rebind_memory();
+	if (ret_val != 0)
+		return ret_val;
+
 	return 0;
 }
 #endif

trunk/include/linux/agp_backend.h

@@ -30,6 +30,8 @@
 #ifndef _AGP_BACKEND_H
 #define _AGP_BACKEND_H 1
 
+#include <linux/list.h>
+
 enum chipset_type {
 	NOT_SUPPORTED,
 	SUPPORTED,
@@ -78,6 +80,8 @@ struct agp_memory {
 	bool is_bound;
 	bool is_flushed;
         bool vmalloc_flag;
+	/* list of agp_memory mapped to the aperture */
+	struct list_head mapped_list;
 };
 
 #define AGP_NORMAL_MEMORY 0
@@ -96,6 +100,7 @@ extern struct agp_memory *agp_allocate_memory(struct agp_bridge_data *, size_t,
 extern int agp_copy_info(struct agp_bridge_data *, struct agp_kern_info *);
 extern int agp_bind_memory(struct agp_memory *, off_t);
 extern int agp_unbind_memory(struct agp_memory *);
+extern int agp_rebind_memory(void);
 extern void agp_enable(struct agp_bridge_data *, u32);
 extern struct agp_bridge_data *agp_backend_acquire(struct pci_dev *);
 extern void agp_backend_release(struct agp_bridge_data *);