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| author | Dave Airlie <airlied@redhat.com> | 2020-08-04 12:55:46 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-08-06 12:31:29 +1000 |
| commit | 747074bb04b5a6be8e562d06b5a312d6ddb253d0 (patch) | |
| tree | 7487a788034d14dd2dd499aafc85cb7880d99fcd /include | |
| parent | e22054debc079ed1c9db7561b8efda43a078fbe0 (diff) | |
| download | lwn-747074bb04b5a6be8e562d06b5a312d6ddb253d0.tar.gz lwn-747074bb04b5a6be8e562d06b5a312d6ddb253d0.zip | |
drm/ttm: split the mm manager init code (v2)
This will allow the driver to control the ordering here better.
Eventually the old path will be removed.
v2: add docs for new APIs.
rename new path to ttm_mem_type_manager_init/set_used(for now)
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200804025632.3868079-14-airlied@gmail.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 15 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 15 |
2 files changed, 30 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index b1c705a93517..cc876cd3b82c 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -54,6 +54,8 @@ struct ttm_place; struct ttm_lru_bulk_move; +struct ttm_mem_type_manager; + /** * struct ttm_bus_placement * @@ -532,6 +534,19 @@ int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size, struct ttm_buffer_object **p_bo); /** + * ttm_mem_type_manager_init + * + * @bdev: Pointer to a ttm_bo_device struct. + * @man: memory manager object to init + * @p_size: size managed area in pages. + * + * Initialise core parts of a a manager object. + */ +void ttm_mem_type_manager_init(struct ttm_bo_device *bdev, + struct ttm_mem_type_manager *man, + unsigned long p_size); + +/** * ttm_bo_init_mm * * @bdev: Pointer to a ttm_bo_device struct. diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index ee11ae621c3b..02aa1b996b3a 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -689,6 +689,21 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) dma_resv_unlock(bo->base.resv); } +/** + * ttm_mem_type_manager_set_used + * + * @man: A memory manager object. + * @used: usage state to set. + * + * Set the manager in use flag. If disabled the manager is no longer + * used for object placement. + */ +static inline void ttm_mem_type_manager_set_used(struct ttm_mem_type_manager *man, bool used) +{ + man->has_type = true; + man->use_type = used; +} + /* * ttm_bo_util.c */ |