diff options
| -rw-r--r-- | drivers/char/agp/agp.h | 3 | ||||
| -rw-r--r-- | drivers/char/agp/generic.c | 42 | ||||
| -rw-r--r-- | drivers/char/agp/intel-agp.c | 14 |
3 files changed, 59 insertions, 0 deletions
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index 81e14bea54bd..55d2c9d14177 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -116,6 +116,7 @@ struct agp_bridge_driver { struct agp_memory *(*alloc_by_type) (size_t, int); void (*free_by_type)(struct agp_memory *); void *(*agp_alloc_page)(struct agp_bridge_data *); + int (*agp_alloc_pages)(struct agp_bridge_data *, struct agp_memory *, size_t); void (*agp_destroy_page)(void *, int flags); int (*agp_type_to_mask_type) (struct agp_bridge_data *, int); void (*chipset_flush)(struct agp_bridge_data *); @@ -274,6 +275,8 @@ int agp_generic_remove_memory(struct agp_memory *mem, off_t pg_start, int type); struct agp_memory *agp_generic_alloc_by_type(size_t page_count, int type); void agp_generic_free_by_type(struct agp_memory *curr); void *agp_generic_alloc_page(struct agp_bridge_data *bridge); +int agp_generic_alloc_pages(struct agp_bridge_data *agp_bridge, + struct agp_memory *memory, size_t page_count); void agp_generic_destroy_page(void *addr, int flags); void agp_free_key(int key); int agp_num_entries(void); diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index eaa1a355bb32..13a5577ee434 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -264,6 +264,15 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge, if (new == NULL) return NULL; + if (bridge->driver->agp_alloc_pages) { + if (bridge->driver->agp_alloc_pages(bridge, new, page_count)) { + agp_free_memory(new); + return NULL; + } + new->bridge = bridge; + return new; + } + for (i = 0; i < page_count; i++) { void *addr = bridge->driver->agp_alloc_page(bridge); @@ -1178,6 +1187,39 @@ EXPORT_SYMBOL(agp_generic_alloc_user); * against a maximum value. */ +int agp_generic_alloc_pages(struct agp_bridge_data *bridge, struct agp_memory *mem, size_t num_pages) +{ + struct page * page; + int i, ret = -ENOMEM; + + for (i = 0; i < num_pages; i++) { + page = alloc_page(GFP_KERNEL | GFP_DMA32); + /* agp_free_memory() needs gart address */ + if (page == NULL) + goto out; + +#ifndef CONFIG_X86 + map_page_into_agp(page); +#endif + get_page(page); + atomic_inc(&agp_bridge->current_memory_agp); + + /* set_memory_array_uc() needs virtual address */ + mem->memory[i] = (unsigned long)page_address(page); + mem->page_count++; + } + +#ifdef CONFIG_X86 + set_memory_array_uc(mem->memory, num_pages); +#endif + ret = 0; +out: + for (i = 0; i < mem->page_count; i++) + mem->memory[i] = virt_to_gart((void *)mem->memory[i]); + return ret; +} +EXPORT_SYMBOL(agp_generic_alloc_pages); + void *agp_generic_alloc_page(struct agp_bridge_data *bridge) { struct page * page; diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index df702642ab8f..2cff0976a668 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -1703,6 +1703,7 @@ static const struct agp_bridge_driver intel_generic_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1728,6 +1729,7 @@ static const struct agp_bridge_driver intel_810_driver = { .alloc_by_type = intel_i810_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1752,6 +1754,7 @@ static const struct agp_bridge_driver intel_815_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1777,6 +1780,7 @@ static const struct agp_bridge_driver intel_830_driver = { .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i830_chipset_flush, @@ -1802,6 +1806,7 @@ static const struct agp_bridge_driver intel_820_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1826,6 +1831,7 @@ static const struct agp_bridge_driver intel_830mp_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1850,6 +1856,7 @@ static const struct agp_bridge_driver intel_840_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1874,6 +1881,7 @@ static const struct agp_bridge_driver intel_845_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, .chipset_flush = intel_i830_chipset_flush, @@ -1899,6 +1907,7 @@ static const struct agp_bridge_driver intel_850_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1923,6 +1932,7 @@ static const struct agp_bridge_driver intel_860_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -1948,6 +1958,7 @@ static const struct agp_bridge_driver intel_915_driver = { .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i915_chipset_flush, @@ -1974,6 +1985,7 @@ static const struct agp_bridge_driver intel_i965_driver = { .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i915_chipset_flush, @@ -1999,6 +2011,7 @@ static const struct agp_bridge_driver intel_7505_driver = { .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; @@ -2024,6 +2037,7 @@ static const struct agp_bridge_driver intel_g33_driver = { .alloc_by_type = intel_i830_alloc_by_type, .free_by_type = intel_i810_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, .agp_type_to_mask_type = intel_i830_type_to_mask_type, .chipset_flush = intel_i915_chipset_flush, |