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Diffstat (limited to 'drivers/char/agp')
-rw-r--r--drivers/char/agp/intel-gtt.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 7fcee5c2e98..b45241479a5 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -77,6 +77,8 @@ static struct _intel_private {
struct page *scratch_page;
phys_addr_t scratch_page_dma;
int refcount;
+ /* Whether i915 needs to use the dmar apis or not. */
+ unsigned int needs_dmar : 1;
} intel_private;
#define INTEL_GTT_GEN intel_private.driver->gen
@@ -292,7 +294,7 @@ static int intel_gtt_setup_scratch_page(void)
get_page(page);
set_pages_uc(page, 1);
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
dma_addr = pci_map_page(intel_private.pcidev, page, 0,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(intel_private.pcidev, dma_addr))
@@ -608,7 +610,7 @@ static int intel_gtt_init(void)
intel_private.base.stolen_size = intel_gtt_stolen_size();
- intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
+ intel_private.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2;
ret = intel_gtt_setup_scratch_page();
if (ret != 0) {
@@ -866,7 +868,7 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem,
if (!mem->is_flushed)
global_cache_flush();
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
struct sg_table st;
ret = intel_gtt_map_memory(mem->pages, mem->page_count, &st);
@@ -907,7 +909,7 @@ static int intel_fake_agp_remove_entries(struct agp_memory *mem,
intel_gtt_clear_range(pg_start, mem->page_count);
- if (intel_private.base.needs_dmar) {
+ if (intel_private.needs_dmar) {
intel_gtt_unmap_memory(mem->sg_list, mem->num_sg);
mem->sg_list = NULL;
mem->num_sg = 0;