intel-gtt: drop agp scratch page support stuff

intel-gtt.c now handles the scratch page itself, so drop all that
was just there to support it.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 1de45f9..64a62d9 100644 (file)
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -124,21 +124,6 @@ static struct _intel_private {
 #define IS_IRONLAKE    intel_private.driver->is_ironlake
 
 #if USE_PCI_DMA_API
-static int intel_agp_map_page(struct page *page, dma_addr_t *ret)
-{
-       *ret = pci_map_page(intel_private.pcidev, page, 0,
-                           PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-       if (pci_dma_mapping_error(intel_private.pcidev, *ret))
-               return -EINVAL;
-       return 0;
-}
-
-static void intel_agp_unmap_page(struct page *page, dma_addr_t dma)
-{
-       pci_unmap_page(intel_private.pcidev, dma,
-                      PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
-}
-
 static void intel_agp_free_sglist(struct agp_memory *mem)
 {
        struct sg_table st;
@@ -1447,7 +1432,6 @@ static const struct agp_bridge_driver intel_830_driver = {
        .size_type              = FIXED_APER_SIZE,
        .aperture_sizes         = intel_fake_agp_sizes,
        .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
-       .needs_scratch_page     = true,
        .configure              = intel_fake_agp_configure,
        .fetch_size             = intel_fake_agp_fetch_size,
        .cleanup                = intel_gtt_cleanup,
@@ -1474,7 +1458,6 @@ static const struct agp_bridge_driver intel_915_driver = {
        .size_type              = FIXED_APER_SIZE,
        .aperture_sizes         = intel_fake_agp_sizes,
        .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
-       .needs_scratch_page     = true,
        .configure              = intel_fake_agp_configure,
        .fetch_size             = intel_fake_agp_fetch_size,
        .cleanup                = intel_gtt_cleanup,
@@ -1495,8 +1478,6 @@ static const struct agp_bridge_driver intel_915_driver = {
        .agp_type_to_mask_type  = intel_i830_type_to_mask_type,
        .chipset_flush          = intel_i915_chipset_flush,
 #if USE_PCI_DMA_API
-       .agp_map_page           = intel_agp_map_page,
-       .agp_unmap_page         = intel_agp_unmap_page,
        .agp_map_memory         = intel_agp_map_memory,
        .agp_unmap_memory       = intel_agp_unmap_memory,
 #endif
@@ -1507,7 +1488,6 @@ static const struct agp_bridge_driver intel_i965_driver = {
        .size_type              = FIXED_APER_SIZE,
        .aperture_sizes         = intel_fake_agp_sizes,
        .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
-       .needs_scratch_page     = true,
        .configure              = intel_fake_agp_configure,
        .fetch_size             = intel_fake_agp_fetch_size,
        .cleanup                = intel_gtt_cleanup,
@@ -1528,8 +1508,6 @@ static const struct agp_bridge_driver intel_i965_driver = {
        .agp_type_to_mask_type  = intel_i830_type_to_mask_type,
        .chipset_flush          = intel_i915_chipset_flush,
 #if USE_PCI_DMA_API
-       .agp_map_page           = intel_agp_map_page,
-       .agp_unmap_page         = intel_agp_unmap_page,
        .agp_map_memory         = intel_agp_map_memory,
        .agp_unmap_memory       = intel_agp_unmap_memory,
 #endif
@@ -1540,7 +1518,6 @@ static const struct agp_bridge_driver intel_gen6_driver = {
        .size_type              = FIXED_APER_SIZE,
        .aperture_sizes         = intel_fake_agp_sizes,
        .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
-       .needs_scratch_page     = true,
        .configure              = intel_fake_agp_configure,
        .fetch_size             = intel_fake_agp_fetch_size,
        .cleanup                = intel_gtt_cleanup,
@@ -1561,8 +1538,6 @@ static const struct agp_bridge_driver intel_gen6_driver = {
        .agp_type_to_mask_type  = intel_gen6_type_to_mask_type,
        .chipset_flush          = intel_i915_chipset_flush,
 #if USE_PCI_DMA_API
-       .agp_map_page           = intel_agp_map_page,
-       .agp_unmap_page         = intel_agp_unmap_page,
        .agp_map_memory         = intel_agp_map_memory,
        .agp_unmap_memory       = intel_agp_unmap_memory,
 #endif
@@ -1573,7 +1548,6 @@ static const struct agp_bridge_driver intel_g33_driver = {
        .size_type              = FIXED_APER_SIZE,
        .aperture_sizes         = intel_fake_agp_sizes,
        .num_aperture_sizes     = ARRAY_SIZE(intel_fake_agp_sizes),
-       .needs_scratch_page     = true,
        .configure              = intel_fake_agp_configure,
        .fetch_size             = intel_fake_agp_fetch_size,
        .cleanup                = intel_gtt_cleanup,
@@ -1594,8 +1568,6 @@ static const struct agp_bridge_driver intel_g33_driver = {
        .agp_type_to_mask_type  = intel_i830_type_to_mask_type,
        .chipset_flush          = intel_i915_chipset_flush,
 #if USE_PCI_DMA_API
-       .agp_map_page           = intel_agp_map_page,
-       .agp_unmap_page         = intel_agp_unmap_page,
        .agp_map_memory         = intel_agp_map_memory,
        .agp_unmap_memory       = intel_agp_unmap_memory,
 #endif