diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 13 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 42 |
2 files changed, 41 insertions, 14 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 9eb940d6755f..bb6a3357a817 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -47,6 +47,8 @@ struct drm_mm_node; struct ttm_placement; +struct ttm_place; + /** * struct ttm_bus_placement * @@ -396,6 +398,17 @@ extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched); /** + * ttm_bo_eviction_valuable + * + * @bo: The buffer object to evict + * @place: the placement we need to make room for + * + * Check if it is valuable to evict the BO to make room for the given placement. + */ +bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, + const struct ttm_place *place); + +/** * ttm_bo_synccpu_write_grab * * @bo: The buffer object: diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 4f0a92185995..d3d83dfe89e2 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -371,9 +371,21 @@ struct ttm_bo_driver { * submission as a consequence. */ - int (*invalidate_caches) (struct ttm_bo_device *bdev, uint32_t flags); - int (*init_mem_type) (struct ttm_bo_device *bdev, uint32_t type, - struct ttm_mem_type_manager *man); + int (*invalidate_caches)(struct ttm_bo_device *bdev, uint32_t flags); + int (*init_mem_type)(struct ttm_bo_device *bdev, uint32_t type, + struct ttm_mem_type_manager *man); + + /** + * struct ttm_bo_driver member eviction_valuable + * + * @bo: the buffer object to be evicted + * @place: placement we need room for + * + * Check with the driver if it is valuable to evict a BO to make room + * for a certain placement. + */ + bool (*eviction_valuable)(struct ttm_buffer_object *bo, + const struct ttm_place *place); /** * struct ttm_bo_driver member evict_flags: * @@ -384,8 +396,9 @@ struct ttm_bo_driver { * finished, they'll end up in bo->mem.flags */ - void(*evict_flags) (struct ttm_buffer_object *bo, - struct ttm_placement *placement); + void (*evict_flags)(struct ttm_buffer_object *bo, + struct ttm_placement *placement); + /** * struct ttm_bo_driver member move: * @@ -399,10 +412,9 @@ struct ttm_bo_driver { * * Move a buffer between two memory regions. */ - int (*move) (struct ttm_buffer_object *bo, - bool evict, bool interruptible, - bool no_wait_gpu, - struct ttm_mem_reg *new_mem); + int (*move)(struct ttm_buffer_object *bo, bool evict, + bool interruptible, bool no_wait_gpu, + struct ttm_mem_reg *new_mem); /** * struct ttm_bo_driver_member verify_access @@ -416,8 +428,8 @@ struct ttm_bo_driver { * access for all buffer objects. * This function should return 0 if access is granted, -EPERM otherwise. */ - int (*verify_access) (struct ttm_buffer_object *bo, - struct file *filp); + int (*verify_access)(struct ttm_buffer_object *bo, + struct file *filp); /* hook to notify driver about a driver move so it * can do tiling things */ @@ -430,7 +442,7 @@ struct ttm_bo_driver { /** * notify the driver that we're about to swap out this bo */ - void (*swap_notify) (struct ttm_buffer_object *bo); + void (*swap_notify)(struct ttm_buffer_object *bo); /** * Driver callback on when mapping io memory (for bo_move_memcpy @@ -438,8 +450,10 @@ struct ttm_bo_driver { * the mapping is not use anymore. io_mem_reserve & io_mem_free * are balanced. */ - int (*io_mem_reserve)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem); - void (*io_mem_free)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem); + int (*io_mem_reserve)(struct ttm_bo_device *bdev, + struct ttm_mem_reg *mem); + void (*io_mem_free)(struct ttm_bo_device *bdev, + struct ttm_mem_reg *mem); /** * Optional driver callback for when BO is removed from the LRU. |