diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 11:04:36 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 11:04:36 -0800 |
commit | 1a464cbb3d483f2f195b614cffa4aa1b910a0440 (patch) | |
tree | af57dee6436532dbb546b8670e9e1f6910d489b5 /drivers/gpu/drm/ttm/ttm_agp_backend.c | |
parent | dbe950f201a8edd353b0bd9079e8d536ee4ce37c (diff) | |
parent | 095f979a539245a46b9e5d600ec9c720b4d928e5 (diff) |
Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux
* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (307 commits)
drm/nouveau/pm: fix build with HWMON off
gma500: silence gcc warnings in mid_get_vbt_data()
drm/ttm: fix condition (and vs or)
drm/radeon: double lock typo in radeon_vm_bo_rmv()
drm/radeon: use after free in radeon_vm_bo_add()
drm/sis|via: don't return stack garbage from free_mem ioctl
drm/radeon/kms: remove pointless CS flags priority struct
drm/radeon/kms: check if vm is supported in VA ioctl
drm: introduce drm_can_sleep and use in intel/radeon drivers. (v2)
radeon: Fix disabling PCI bus mastering on big endian hosts.
ttm: fix agp since ttm tt rework
agp: Fix multi-line warning message whitespace
drm/ttm/dma: Fix accounting error when calling ttm_mem_global_free_page and don't try to free freed pages.
drm/ttm/dma: Only call set_pages_array_wb when the page is not in WB pool.
drm/radeon/kms: sync across multiple rings when doing bo moves v3
drm/radeon/kms: Add support for multi-ring sync in CS ioctl (v2)
drm/radeon: GPU virtual memory support v22
drm: make DRM_UNLOCKED ioctls with their own mutex
drm: no need to hold global mutex for static data
drm/radeon/benchmark: common modes sweep ignores 640x480@32
...
Fix up trivial conflicts in radeon/evergreen.c and vmwgfx/vmwgfx_kms.c
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_agp_backend.c')
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_agp_backend.c | 105 |
1 files changed, 51 insertions, 54 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c index 1c4a72f681c1..747c1413fc95 100644 --- a/drivers/gpu/drm/ttm/ttm_agp_backend.c +++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c @@ -31,6 +31,7 @@ #include "ttm/ttm_module.h" #include "ttm/ttm_bo_driver.h" +#include "ttm/ttm_page_alloc.h" #ifdef TTM_HAS_AGP #include "ttm/ttm_placement.h" #include <linux/agp_backend.h> @@ -40,45 +41,33 @@ #include <asm/agp.h> struct ttm_agp_backend { - struct ttm_backend backend; + struct ttm_tt ttm; struct agp_memory *mem; struct agp_bridge_data *bridge; }; -static int ttm_agp_populate(struct ttm_backend *backend, - unsigned long num_pages, struct page **pages, - struct page *dummy_read_page, - dma_addr_t *dma_addrs) +static int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { - struct ttm_agp_backend *agp_be = - container_of(backend, struct ttm_agp_backend, backend); - struct page **cur_page, **last_page = pages + num_pages; + struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm); + struct drm_mm_node *node = bo_mem->mm_node; struct agp_memory *mem; + int ret, cached = (bo_mem->placement & TTM_PL_FLAG_CACHED); + unsigned i; - mem = agp_allocate_memory(agp_be->bridge, num_pages, AGP_USER_MEMORY); + mem = agp_allocate_memory(agp_be->bridge, ttm->num_pages, AGP_USER_MEMORY); if (unlikely(mem == NULL)) return -ENOMEM; mem->page_count = 0; - for (cur_page = pages; cur_page < last_page; ++cur_page) { - struct page *page = *cur_page; + for (i = 0; i < ttm->num_pages; i++) { + struct page *page = ttm->pages[i]; + if (!page) - page = dummy_read_page; + page = ttm->dummy_read_page; mem->pages[mem->page_count++] = page; } agp_be->mem = mem; - return 0; -} - -static int ttm_agp_bind(struct ttm_backend *backend, struct ttm_mem_reg *bo_mem) -{ - struct ttm_agp_backend *agp_be = - container_of(backend, struct ttm_agp_backend, backend); - struct drm_mm_node *node = bo_mem->mm_node; - struct agp_memory *mem = agp_be->mem; - int cached = (bo_mem->placement & TTM_PL_FLAG_CACHED); - int ret; mem->is_flushed = 1; mem->type = (cached) ? AGP_USER_CACHED_MEMORY : AGP_USER_MEMORY; @@ -90,50 +79,39 @@ static int ttm_agp_bind(struct ttm_backend *backend, struct ttm_mem_reg *bo_mem) return ret; } -static int ttm_agp_unbind(struct ttm_backend *backend) +static int ttm_agp_unbind(struct ttm_tt *ttm) { - struct ttm_agp_backend *agp_be = - container_of(backend, struct ttm_agp_backend, backend); + struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm); - if (agp_be->mem->is_bound) - return agp_unbind_memory(agp_be->mem); - else - return 0; -} - -static void ttm_agp_clear(struct ttm_backend *backend) -{ - struct ttm_agp_backend *agp_be = - container_of(backend, struct ttm_agp_backend, backend); - struct agp_memory *mem = agp_be->mem; - - if (mem) { - ttm_agp_unbind(backend); - agp_free_memory(mem); + if (agp_be->mem) { + if (agp_be->mem->is_bound) + return agp_unbind_memory(agp_be->mem); + agp_free_memory(agp_be->mem); + agp_be->mem = NULL; } - agp_be->mem = NULL; + return 0; } -static void ttm_agp_destroy(struct ttm_backend *backend) +static void ttm_agp_destroy(struct ttm_tt *ttm) { - struct ttm_agp_backend *agp_be = - container_of(backend, struct ttm_agp_backend, backend); + struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm); if (agp_be->mem) - ttm_agp_clear(backend); + ttm_agp_unbind(ttm); + ttm_tt_fini(ttm); kfree(agp_be); } static struct ttm_backend_func ttm_agp_func = { - .populate = ttm_agp_populate, - .clear = ttm_agp_clear, .bind = ttm_agp_bind, .unbind = ttm_agp_unbind, .destroy = ttm_agp_destroy, }; -struct ttm_backend *ttm_agp_backend_init(struct ttm_bo_device *bdev, - struct agp_bridge_data *bridge) +struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev, + struct agp_bridge_data *bridge, + unsigned long size, uint32_t page_flags, + struct page *dummy_read_page) { struct ttm_agp_backend *agp_be; @@ -143,10 +121,29 @@ struct ttm_backend *ttm_agp_backend_init(struct ttm_bo_device *bdev, agp_be->mem = NULL; agp_be->bridge = bridge; - agp_be->backend.func = &ttm_agp_func; - agp_be->backend.bdev = bdev; - return &agp_be->backend; + agp_be->ttm.func = &ttm_agp_func; + + if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags, dummy_read_page)) { + return NULL; + } + + return &agp_be->ttm; +} +EXPORT_SYMBOL(ttm_agp_tt_create); + +int ttm_agp_tt_populate(struct ttm_tt *ttm) +{ + if (ttm->state != tt_unpopulated) + return 0; + + return ttm_pool_populate(ttm); +} +EXPORT_SYMBOL(ttm_agp_tt_populate); + +void ttm_agp_tt_unpopulate(struct ttm_tt *ttm) +{ + ttm_pool_unpopulate(ttm); } -EXPORT_SYMBOL(ttm_agp_backend_init); +EXPORT_SYMBOL(ttm_agp_tt_unpopulate); #endif |