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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-07-27 10:27:29 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-08-03 09:04:44 +0100
commit2a4ceb6d3e6a566cb4a9dc8f974177f031d27cd7 (patch)
treea21d2c5ad10522d9a1469e7cd985d5f1d8f5d17f /drivers/char/agp/intel-agp.c
parented680c4ad478d0fee9740f7d029087f181346564 (diff)
agp: Switch mask_memory() method to take address argument again, not page
In commit 07613ba2 ("agp: switch AGP to use page array instead of unsigned long array") we switched the mask_memory() method to take a 'struct page *' instead of an address. This is painful, because in some cases it has to be an IOMMU-mapped virtual bus address (in fact, shouldn't it _always_ be a dma_addr_t returned from pci_map_xxx(), and we just happen to get lucky most of the time?) Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/char/agp/intel-agp.c')
-rw-r--r--drivers/char/agp/intel-agp.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 8c9d50db5c3a..21983456d672 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -343,7 +343,7 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start,
global_cache_flush();
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
writel(agp_bridge->driver->mask_memory(agp_bridge,
- mem->pages[i],
+ phys_to_gart(page_to_phys(mem->pages[i])),
mask_type),
intel_private.registers+I810_PTE_BASE+(j*4));
}
@@ -461,9 +461,8 @@ static void intel_i810_free_by_type(struct agp_memory *curr)
}
static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge,
- struct page *page, int type)
+ dma_addr_t addr, int type)
{
- unsigned long addr = phys_to_gart(page_to_phys(page));
/* Type checking must be done elsewhere */
return addr | bridge->driver->masks[type].mask;
}
@@ -851,7 +850,7 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
writel(agp_bridge->driver->mask_memory(agp_bridge,
- mem->pages[i], mask_type),
+ phys_to_gart(page_to_phys(mem->pages[i])), mask_type),
intel_private.registers+I810_PTE_BASE+(j*4));
}
readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
@@ -1081,7 +1080,9 @@ static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
writel(agp_bridge->driver->mask_memory(agp_bridge,
- mem->pages[i], mask_type), intel_private.gtt+j);
+ phys_to_gart(page_to_phys(mem->pages[i])),
+ mask_type),
+ intel_private.gtt+j);
}
readl(intel_private.gtt+j-1);
@@ -1196,9 +1197,8 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
* this conditional.
*/
static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
- struct page *page, int type)
+ dma_addr_t addr, int type)
{
- dma_addr_t addr = phys_to_gart(page_to_phys(page));
/* Shift high bits down */
addr |= (addr >> 28) & 0xf0;