diff options
author | Christian König <christian.koenig@amd.com> | 2018-02-21 22:34:13 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-27 07:09:45 +0300 |
commit | 231cdafc75434015f3925d6662a1821fcfef16b7 (patch) | |
tree | e0dfc38a5e84d186138d4e053327c2ecd09e0602 /drivers/gpu/drm/ttm | |
parent | 3231a7696e22538529e9ee3500f2116a40a22734 (diff) | |
download | linux-231cdafc75434015f3925d6662a1821fcfef16b7.tar.xz |
drm/ttm: drop ttm->dummy_read_page
Only used by the AGP backend and there it can be easily accessed using
ttm->bdev->glob.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_agp_backend.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 8 |
3 files changed, 8 insertions, 14 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c index 3e795a099d06..f7c2aefbec7c 100644 --- a/drivers/gpu/drm/ttm/ttm_agp_backend.c +++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c @@ -50,6 +50,7 @@ struct ttm_agp_backend { static int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm); + struct page *dummy_read_page = ttm->bdev->glob->dummy_read_page; struct drm_mm_node *node = bo_mem->mm_node; struct agp_memory *mem; int ret, cached = (bo_mem->placement & TTM_PL_FLAG_CACHED); @@ -64,7 +65,7 @@ static int ttm_agp_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) struct page *page = ttm->pages[i]; if (!page) - page = ttm->dummy_read_page; + page = dummy_read_page; mem->pages[mem->page_count++] = page; } @@ -111,8 +112,7 @@ static struct ttm_backend_func ttm_agp_func = { 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) + unsigned long size, uint32_t page_flags) { struct ttm_agp_backend *agp_be; @@ -124,7 +124,7 @@ struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev, agp_be->bridge = bridge; agp_be->ttm.func = &ttm_agp_func; - if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags, dummy_read_page)) { + if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags)) { kfree(agp_be); return NULL; } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index fe4aef6b1a7a..55028745214b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -228,7 +228,6 @@ EXPORT_SYMBOL(ttm_bo_move_to_lru_tail); static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc) { struct ttm_bo_device *bdev = bo->bdev; - struct ttm_bo_global *glob = bdev->glob; int ret = 0; uint32_t page_flags = 0; @@ -247,14 +246,13 @@ static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc) page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC; case ttm_bo_type_kernel: bo->ttm = bdev->driver->ttm_tt_create(bdev, bo->num_pages << PAGE_SHIFT, - page_flags, glob->dummy_read_page); + page_flags); if (unlikely(bo->ttm == NULL)) ret = -ENOMEM; break; case ttm_bo_type_sg: bo->ttm = bdev->driver->ttm_tt_create(bdev, bo->num_pages << PAGE_SHIFT, - page_flags | TTM_PAGE_FLAG_SG, - glob->dummy_read_page); + page_flags | TTM_PAGE_FLAG_SG); if (unlikely(bo->ttm == NULL)) { ret = -ENOMEM; break; diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 5d8f7f9b84b1..f93cd108b19d 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -191,14 +191,12 @@ void ttm_tt_destroy(struct ttm_tt *ttm) } int ttm_tt_init(struct ttm_tt *ttm, struct ttm_bo_device *bdev, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page) + unsigned long size, uint32_t page_flags) { ttm->bdev = bdev; ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; ttm->caching_state = tt_cached; ttm->page_flags = page_flags; - ttm->dummy_read_page = dummy_read_page; ttm->state = tt_unpopulated; ttm->swap_storage = NULL; @@ -219,8 +217,7 @@ void ttm_tt_fini(struct ttm_tt *ttm) EXPORT_SYMBOL(ttm_tt_fini); int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bdev, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page) + unsigned long size, uint32_t page_flags) { struct ttm_tt *ttm = &ttm_dma->ttm; @@ -228,7 +225,6 @@ int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bdev, ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; ttm->caching_state = tt_cached; ttm->page_flags = page_flags; - ttm->dummy_read_page = dummy_read_page; ttm->state = tt_unpopulated; ttm->swap_storage = NULL; |