X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fchar%2Fagp%2Fbackend.c;h=509adc403250a8126f72dac666493a680d06f8ad;hb=b197ba3c70638a3a2ae39296781912f26ac0f991;hp=73f333f491bde21a3cd14656e15c8d7d740450b5;hpb=8006fdd6dc387abaa4b683bda4868c879fd76070;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 73f333f491b..509adc40325 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -97,7 +97,7 @@ void agp_backend_release(struct agp_bridge_data *bridge)
 EXPORT_SYMBOL(agp_backend_release);
 
 
-static struct { int mem, agp; } maxes_table[] = {
+static const struct { int mem, agp; } maxes_table[] = {
 	{0, 0},
 	{32, 4},
 	{64, 28},
@@ -147,6 +147,7 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
 			printk(KERN_ERR PFX "unable to get memory for scratch page.\n");
 			return -ENOMEM;
 		}
+		flush_agp_mappings();
 
 		bridge->scratch_page_real = virt_to_gart(addr);
 		bridge->scratch_page =
@@ -187,9 +188,11 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
 	return 0;
 
 err_out:
-	if (bridge->driver->needs_scratch_page)
+	if (bridge->driver->needs_scratch_page) {
 		bridge->driver->agp_destroy_page(
 				gart_to_virt(bridge->scratch_page_real));
+		flush_agp_mappings();
+	}
 	if (got_gatt)
 		bridge->driver->free_gatt_table(bridge);
 	if (got_keylist) {
@@ -211,9 +214,11 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
 	bridge->key_list = NULL;
 
 	if (bridge->driver->agp_destroy_page &&
-	    bridge->driver->needs_scratch_page)
+	    bridge->driver->needs_scratch_page) {
 		bridge->driver->agp_destroy_page(
 				gart_to_virt(bridge->scratch_page_real));
+		flush_agp_mappings();
+	}
 }
 
 /* When we remove the global variable agp_bridge from all drivers
@@ -223,7 +228,7 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
 struct agp_bridge_data *agp_alloc_bridge(void)
 {
 	struct agp_bridge_data *bridge;
-	
+
 	bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
 	if (!bridge)
 		return NULL;