aboutsummaryrefslogtreecommitdiff
path: root/drivers/char
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/agp/amd-k7-agp.c9
-rw-r--r--drivers/char/agp/ati-agp.c16
-rw-r--r--drivers/char/agp/generic.c9
-rw-r--r--drivers/char/agp/sworks-agp.c18
4 files changed, 26 insertions, 26 deletions
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index 87be46406da..fca4d7f3044 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -41,6 +41,7 @@ static int amd_create_page_map(struct amd_page_map *page_map)
if (page_map->real == NULL)
return -ENOMEM;
+#ifndef CONFIG_X86
SetPageReserved(virt_to_page(page_map->real));
global_cache_flush();
page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
@@ -52,6 +53,10 @@ static int amd_create_page_map(struct amd_page_map *page_map)
return -ENOMEM;
}
global_cache_flush();
+#else
+ set_memory_uc(page_map->real, 1);
+ page_map->remapped = page_map->real;
+#endif
for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) {
writel(agp_bridge->scratch_page, page_map->remapped+i);
@@ -63,8 +68,12 @@ static int amd_create_page_map(struct amd_page_map *page_map)
static void amd_free_page_map(struct amd_page_map *page_map)
{
+#ifndef CONFIG_X86
iounmap(page_map->remapped);
ClearPageReserved(virt_to_page(page_map->real));
+#else
+ set_memory_wb(page_map->real, 1);
+#endif
free_page((unsigned long) page_map->real);
}
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 2d46b713c8f..9ac3bef3bb7 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -60,18 +60,9 @@ static int ati_create_page_map(struct ati_page_map *page_map)
if (page_map->real == NULL)
return -ENOMEM;
- SetPageReserved(virt_to_page(page_map->real));
+ set_memory_uc(page_map->real, 1);
err = map_page_into_agp(virt_to_page(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));
- free_page((unsigned long) page_map->real);
- page_map->real = NULL;
- return -ENOMEM;
- }
- /*CACHE_FLUSH();*/
- global_cache_flush();
+ page_map->remapped = page_map->real;
for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) {
writel(agp_bridge->scratch_page, page_map->remapped+i);
@@ -85,8 +76,7 @@ static int ati_create_page_map(struct ati_page_map *page_map)
static void ati_free_page_map(struct ati_page_map *page_map)
{
unmap_page_from_agp(virt_to_page(page_map->real));
- iounmap(page_map->remapped);
- ClearPageReserved(virt_to_page(page_map->real));
+ set_memory_wb(page_map->real, 1);
free_page((unsigned long) page_map->real);
}
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 7484bc759c4..7fc0c99a3a5 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -932,9 +932,14 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
agp_gatt_table = (void *)table;
bridge->driver->cache_flush();
+#ifdef CONFIG_X86
+ set_memory_uc((unsigned long)table, 1 << page_order);
+ bridge->gatt_table = (void *)table;
+#else
bridge->gatt_table = ioremap_nocache(virt_to_gart(table),
(PAGE_SIZE * (1 << page_order)));
bridge->driver->cache_flush();
+#endif
if (bridge->gatt_table == NULL) {
for (page = virt_to_page(table); page <= virt_to_page(table_end); page++)
@@ -991,7 +996,11 @@ int agp_generic_free_gatt_table(struct agp_bridge_data *bridge)
* called, then all agp memory is deallocated and removed
* from the table. */
+#ifdef CONFIG_X86
+ set_memory_wb((unsigned long)bridge->gatt_table, 1 << page_order);
+#else
iounmap(bridge->gatt_table);
+#endif
table = (char *) bridge->gatt_table_real;
table_end = table + ((PAGE_SIZE * (1 << page_order)) - 1);
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 551ef25063e..ae06f898206 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -52,28 +52,20 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map)
if (page_map->real == NULL) {
return -ENOMEM;
}
- SetPageReserved(virt_to_page(page_map->real));
- global_cache_flush();
- page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
- PAGE_SIZE);
- if (page_map->remapped == NULL) {
- ClearPageReserved(virt_to_page(page_map->real));
- free_page((unsigned long) page_map->real);
- page_map->real = NULL;
- return -ENOMEM;
- }
- global_cache_flush();
+
+ set_memory_uc(page_map->real, 1);
+ page_map->remapped = page_map->real;
for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++)
writel(agp_bridge->scratch_page, page_map->remapped+i);
+ /* Red Pen: Everyone else does pci posting flush here */
return 0;
}
static void serverworks_free_page_map(struct serverworks_page_map *page_map)
{
- iounmap(page_map->remapped);
- ClearPageReserved(virt_to_page(page_map->real));
+ set_memory_wb(page_map->real, 1);
free_page((unsigned long) page_map->real);
}