diff options
Diffstat (limited to 'drivers/char/agp/generic.c')
| -rw-r--r-- | drivers/char/agp/generic.c | 46 |
1 files changed, 13 insertions, 33 deletions
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index a0df182f6f7d..3ffbb1c80c5c 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -29,7 +29,6 @@ */ #include <linux/module.h> #include <linux/pci.h> -#include <linux/init.h> #include <linux/pagemap.h> #include <linux/miscdevice.h> #include <linux/pm.h> @@ -40,8 +39,9 @@ #include <linux/sched.h> #include <linux/slab.h> #include <asm/io.h> -#include <asm/cacheflush.h> -#include <asm/pgtable.h> +#ifdef CONFIG_X86 +#include <asm/set_memory.h> +#endif #include "agp.h" __u32 *agp_gatt_table; @@ -89,27 +89,10 @@ static int agp_get_key(void) void agp_alloc_page_array(size_t size, struct agp_memory *mem) { - mem->pages = NULL; - - if (size <= 2*PAGE_SIZE) - mem->pages = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); - if (mem->pages == NULL) { - mem->pages = vmalloc(size); - } + mem->pages = kvmalloc(size, GFP_KERNEL); } EXPORT_SYMBOL(agp_alloc_page_array); -void agp_free_page_array(struct agp_memory *mem) -{ - if (is_vmalloc_addr(mem->pages)) { - vfree(mem->pages); - } else { - kfree(mem->pages); - } -} -EXPORT_SYMBOL(agp_free_page_array); - - static struct agp_memory *agp_create_user_memory(unsigned long num_agp_pages) { struct agp_memory *new; @@ -223,6 +206,7 @@ EXPORT_SYMBOL(agp_free_memory); /** * agp_allocate_memory - allocate a group of pages of a certain type. * + * @bridge: an agp_bridge_data struct allocated for the AGP host bridge. * @page_count: size_t argument of the number of pages * @type: u32 argument of the type of memory to be allocated. * @@ -371,6 +355,7 @@ EXPORT_SYMBOL_GPL(agp_num_entries); /** * agp_copy_info - copy bridge state information * + * @bridge: an agp_bridge_data struct allocated for the AGP host bridge. * @info: agp_kern_info pointer. The caller should insure that this pointer is valid. * * This function copies information about the agp bridge device and the state of @@ -866,7 +851,6 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) { char *table; char *table_end; - int size; int page_order; int num_entries; int i; @@ -880,25 +864,22 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) table = NULL; i = bridge->aperture_size_idx; temp = bridge->current_size; - size = page_order = num_entries = 0; + page_order = num_entries = 0; if (bridge->driver->size_type != FIXED_APER_SIZE) { do { switch (bridge->driver->size_type) { case U8_APER_SIZE: - size = A_SIZE_8(temp)->size; page_order = A_SIZE_8(temp)->page_order; num_entries = A_SIZE_8(temp)->num_entries; break; case U16_APER_SIZE: - size = A_SIZE_16(temp)->size; page_order = A_SIZE_16(temp)->page_order; num_entries = A_SIZE_16(temp)->num_entries; break; case U32_APER_SIZE: - size = A_SIZE_32(temp)->size; page_order = A_SIZE_32(temp)->page_order; num_entries = A_SIZE_32(temp)->num_entries; break; @@ -906,7 +887,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) case FIXED_APER_SIZE: case LVL2_APER_SIZE: default: - size = page_order = num_entries = 0; + page_order = num_entries = 0; break; } @@ -936,7 +917,6 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) } } while (!table && (i < bridge->driver->num_aperture_sizes)); } else { - size = ((struct aper_size_info_fixed *) temp)->size; page_order = ((struct aper_size_info_fixed *) temp)->page_order; num_entries = ((struct aper_size_info_fixed *) temp)->num_entries; table = alloc_gatt_pages(page_order); @@ -960,7 +940,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) bridge->gatt_table = (u32 __iomem *)table; #else - bridge->gatt_table = ioremap_nocache(virt_to_phys(table), + bridge->gatt_table = ioremap(virt_to_phys(table), (PAGE_SIZE * (1 << page_order))); bridge->driver->cache_flush(); #endif @@ -1298,6 +1278,7 @@ EXPORT_SYMBOL(agp_generic_destroy_page); /** * agp_enable - initialise the agp point-to-point connection. * + * @bridge: an agp_bridge_data struct allocated for the AGP host bridge. * @mode: agp mode register value to configure with. */ void agp_enable(struct agp_bridge_data *bridge, u32 mode) @@ -1327,8 +1308,7 @@ static void ipi_handler(void *null) void global_cache_flush(void) { - if (on_each_cpu(ipi_handler, NULL, 1) != 0) - panic(PFX "timed out waiting for the other CPUs!\n"); + on_each_cpu(ipi_handler, NULL, 1); } EXPORT_SYMBOL(global_cache_flush); @@ -1396,8 +1376,8 @@ int agp3_generic_configure(void) current_size = A_SIZE_16(agp_bridge->current_size); - pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); - agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); + agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev, + AGP_APERTURE_BAR); /* set aperture size */ pci_write_config_word(agp_bridge->dev, agp_bridge->capndx+AGPAPSIZE, current_size->size_value); |
