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author | Christian König <christian.koenig@amd.com> | 2018-02-22 10:54:57 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-27 07:09:46 +0300 |
commit | 97b7e1b8b55d5696093b4ebddb9dad63813bdcf2 (patch) | |
tree | 005fcbda4ba1d7ba48be99d1e34d2a45847a9e05 /drivers/gpu/drm/ttm | |
parent | ec3fe391bdb321b1629cfb0ddbb9fcc114b579bc (diff) | |
download | linux-97b7e1b8b55d5696093b4ebddb9dad63813bdcf2.tar.xz |
drm/ttm: move ttm_tt_create into ttm_tt.c v2
Rename ttm_bo_add_ttm to ttm_tt_create and move it into ttm_tt.c.
v2: separate the cleanup.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Roger He <Hongbo.He@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_bo.c | 50 | ||||
-rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 46 |
2 files changed, 48 insertions, 48 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 4bfa109e2a66..ad142a92eb80 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -222,52 +222,6 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo) } EXPORT_SYMBOL(ttm_bo_move_to_lru_tail); -/* - * Call bo->mutex locked. - */ -static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc) -{ - struct ttm_bo_device *bdev = bo->bdev; - int ret = 0; - uint32_t page_flags = 0; - - reservation_object_assert_held(bo->resv); - bo->ttm = NULL; - - if (bdev->need_dma32) - page_flags |= TTM_PAGE_FLAG_DMA32; - - if (bdev->no_retry) - page_flags |= TTM_PAGE_FLAG_NO_RETRY; - - switch (bo->type) { - case ttm_bo_type_device: - if (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); - 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); - if (unlikely(bo->ttm == NULL)) { - ret = -ENOMEM; - break; - } - bo->ttm->sg = bo->sg; - break; - default: - pr_err("Illegal buffer object type\n"); - ret = -EINVAL; - break; - } - - return ret; -} - static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem, bool evict, struct ttm_operation_ctx *ctx) @@ -295,7 +249,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) { if (bo->ttm == NULL) { bool zero = !(old_man->flags & TTM_MEMTYPE_FLAG_FIXED); - ret = ttm_bo_add_ttm(bo, zero); + ret = ttm_tt_create(bo, zero); if (ret) goto out_err; } @@ -1134,7 +1088,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, * We might need to add a TTM. */ if (bo->mem.mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) { - ret = ttm_bo_add_ttm(bo, true); + ret = ttm_tt_create(bo, true); if (ret) return ret; } diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index f93cd108b19d..917942d03047 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -48,6 +48,52 @@ #endif /** + * Allocates a ttm structure for the given BO. + */ +int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc) +{ + struct ttm_bo_device *bdev = bo->bdev; + int ret = 0; + uint32_t page_flags = 0; + + reservation_object_assert_held(bo->resv); + bo->ttm = NULL; + + if (bdev->need_dma32) + page_flags |= TTM_PAGE_FLAG_DMA32; + + if (bdev->no_retry) + page_flags |= TTM_PAGE_FLAG_NO_RETRY; + + switch (bo->type) { + case ttm_bo_type_device: + if (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); + 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); + if (unlikely(bo->ttm == NULL)) { + ret = -ENOMEM; + break; + } + bo->ttm->sg = bo->sg; + break; + default: + pr_err("Illegal buffer object type\n"); + ret = -EINVAL; + break; + } + + return ret; +} + +/** * Allocates storage for pointers to the pages that back the ttm. */ static int ttm_tt_alloc_page_directory(struct ttm_tt *ttm) |