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path: root/drivers/char/agp
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Diffstat (limited to 'drivers/char/agp')
-rw-r--r--drivers/char/agp/ali-agp.c2
-rw-r--r--drivers/char/agp/backend.c3
-rw-r--r--drivers/char/agp/generic.c3
-rw-r--r--drivers/char/agp/i460-agp.c2
-rw-r--r--drivers/char/agp/intel-agp.c22
5 files changed, 12 insertions, 20 deletions
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index aa5ddb716ff..1ffb381130c 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -145,7 +145,6 @@ 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;
@@ -162,7 +161,6 @@ static void ali_destroy_page(void * addr, int flags)
if (flags & AGP_PAGE_DESTROY_UNMAP) {
global_cache_flush(); /* is this really needed? --hch */
agp_generic_destroy_page(addr, flags);
- global_flush_tlb();
} else
agp_generic_destroy_page(addr, flags);
}
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 832ded20fe7..2720882e66f 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -147,7 +147,6 @@ 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 =
@@ -191,7 +190,6 @@ err_out:
if (bridge->driver->needs_scratch_page) {
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_UNMAP);
- flush_agp_mappings();
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_FREE);
}
@@ -219,7 +217,6 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
bridge->driver->needs_scratch_page) {
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_UNMAP);
- flush_agp_mappings();
bridge->driver->agp_destroy_page(gart_to_virt(bridge->scratch_page_real),
AGP_PAGE_DESTROY_FREE);
}
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 64b2f6d7059..1a4674ce0c7 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -197,7 +197,6 @@ void agp_free_memory(struct agp_memory *curr)
for (i = 0; i < curr->page_count; i++) {
curr->bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[i]), AGP_PAGE_DESTROY_UNMAP);
}
- flush_agp_mappings();
for (i = 0; i < curr->page_count; i++) {
curr->bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[i]), AGP_PAGE_DESTROY_FREE);
}
@@ -267,8 +266,6 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge,
}
new->bridge = bridge;
- flush_agp_mappings();
-
return new;
}
EXPORT_SYMBOL(agp_allocate_memory);
diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c
index e72a83e2bad..76f581c85a7 100644
--- a/drivers/char/agp/i460-agp.c
+++ b/drivers/char/agp/i460-agp.c
@@ -527,7 +527,6 @@ static void *i460_alloc_page (struct agp_bridge_data *bridge)
if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) {
page = agp_generic_alloc_page(agp_bridge);
- global_flush_tlb();
} else
/* Returning NULL would cause problems */
/* AK: really dubious code. */
@@ -539,7 +538,6 @@ static void i460_destroy_page (void *page, int flags)
{
if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) {
agp_generic_destroy_page(page, flags);
- global_flush_tlb();
}
}
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index d87961993cc..189efb6ef97 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -10,6 +10,8 @@
#include <linux/agp_backend.h>
#include "agp.h"
+#define PCI_DEVICE_ID_INTEL_E7221_HB 0x2588
+#define PCI_DEVICE_ID_INTEL_E7221_IG 0x258a
#define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970
#define PCI_DEVICE_ID_INTEL_82946GZ_IG 0x2972
#define PCI_DEVICE_ID_INTEL_82965G_1_HB 0x2980
@@ -208,13 +210,11 @@ static void *i8xx_alloc_pages(void)
if (page == NULL)
return NULL;
- if (change_page_attr(page, 4, PAGE_KERNEL_NOCACHE) < 0) {
- change_page_attr(page, 4, PAGE_KERNEL);
- global_flush_tlb();
+ if (set_pages_uc(page, 4) < 0) {
+ set_pages_wb(page, 4);
__free_pages(page, 2);
return NULL;
}
- global_flush_tlb();
get_page(page);
atomic_inc(&agp_bridge->current_memory_agp);
return page_address(page);
@@ -228,8 +228,7 @@ static void i8xx_destroy_pages(void *addr)
return;
page = virt_to_page(addr);
- change_page_attr(page, 4, PAGE_KERNEL);
- global_flush_tlb();
+ set_pages_wb(page, 4);
put_page(page);
__free_pages(page, 2);
atomic_dec(&agp_bridge->current_memory_agp);
@@ -339,7 +338,6 @@ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
switch (pg_count) {
case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge);
- global_flush_tlb();
break;
case 4:
/* kludge to get 4 physical pages for ARGB cursor */
@@ -402,7 +400,6 @@ static void intel_i810_free_by_type(struct agp_memory *curr)
else {
agp_bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[0]),
AGP_PAGE_DESTROY_UNMAP);
- global_flush_tlb();
agp_bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[0]),
AGP_PAGE_DESTROY_FREE);
}
@@ -526,7 +523,8 @@ static void intel_i830_init_gtt_entries(void)
break;
case I915_GMCH_GMS_STOLEN_48M:
/* Check it's really I915G */
- if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
+ if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB ||
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
@@ -538,7 +536,8 @@ static void intel_i830_init_gtt_entries(void)
break;
case I915_GMCH_GMS_STOLEN_64M:
/* Check it's really I915G */
- if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
+ if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB ||
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
@@ -1854,6 +1853,8 @@ static const struct intel_driver_description {
{ PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, 0, "865",
&intel_845_driver, &intel_830_driver },
{ PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL },
+ { PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, 0, "E7221 (i915)",
+ NULL, &intel_915_driver },
{ PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G",
NULL, &intel_915_driver },
{ PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM",
@@ -2059,6 +2060,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_82875_HB),
ID(PCI_DEVICE_ID_INTEL_7505_0),
ID(PCI_DEVICE_ID_INTEL_7205_0),
+ ID(PCI_DEVICE_ID_INTEL_E7221_HB),
ID(PCI_DEVICE_ID_INTEL_82915G_HB),
ID(PCI_DEVICE_ID_INTEL_82915GM_HB),
ID(PCI_DEVICE_ID_INTEL_82945G_HB),