| 45,12 → 45,24 |
|---|
| |
| struct drm_mm_node; |
| |
| /** |
| * struct ttm_place |
| * |
| * @fpfn: first valid page frame number to put the object |
| * @lpfn: last valid page frame number to put the object |
| * @flags: memory domain and caching flags for the object |
| * |
| * Structure indicating a possible place to put an object. |
| */ |
| struct ttm_place { |
| unsigned fpfn; |
| unsigned lpfn; |
| uint32_t flags; |
| }; |
| |
| /** |
| * struct ttm_placement |
| * |
| * @fpfn: first valid page frame number to put the object |
| * @lpfn: last valid page frame number to put the object |
| * @num_placement: number of preferred placements |
| * @placement: preferred placements |
| * @num_busy_placement: number of preferred placements when need to evict buffer |
| 59,12 → 71,10 |
|---|
| * Structure indicating the placement you request for an object. |
| */ |
| struct ttm_placement { |
| unsigned fpfn; |
| unsigned lpfn; |
| unsigned num_placement; |
| const uint32_t *placement; |
| const struct ttm_place *placement; |
| unsigned num_busy_placement; |
| const uint32_t *busy_placement; |
| const struct ttm_place *busy_placement; |
| }; |
| |
| /** |
| 163,7 → 173,6 |
|---|
| * @lru: List head for the lru list. |
| * @ddestroy: List head for the delayed destroy list. |
| * @swap: List head for swap LRU list. |
| * @sync_obj: Pointer to a synchronization object. |
| * @priv_flags: Flags describing buffer object internal state. |
| * @vma_node: Address space manager node. |
| * @offset: The current GPU offset, which can have different meanings |
| 227,13 → 236,9 |
|---|
| struct list_head io_reserve_lru; |
| |
| /** |
| * Members protected by struct buffer_object_device::fence_lock |
| * In addition, setting sync_obj to anything else |
| * than NULL requires bo::reserved to be held. This allows for |
| * checking NULL while reserved but not holding the mentioned lock. |
| * Members protected by a bo reservation. |
| */ |
| |
| void *sync_obj; |
| unsigned long priv_flags; |
| |
| struct drm_vma_offset_node vma_node; |
| 455,6 → 460,7 |
|---|
| * point to the shmem object backing a GEM object if TTM is used to back a |
| * GEM user interface. |
| * @acc_size: Accounted size for this object. |
| * @resv: Pointer to a reservation_object, or NULL to let ttm allocate one. |
| * @destroy: Destroy function. Use NULL for kfree(). |
| * |
| * This function initializes a pre-allocated struct ttm_buffer_object. |
| 482,6 → 488,7 |
|---|
| struct file *persistent_swap_storage, |
| size_t acc_size, |
| struct sg_table *sg, |
| struct reservation_object *resv, |
| void (*destroy) (struct ttm_buffer_object *)); |
| |
| /** |
| 519,20 → 526,6 |
|---|
| struct ttm_buffer_object **p_bo); |
| |
| /** |
| * ttm_bo_check_placement |
| * |
| * @bo: the buffer object. |
| * @placement: placements |
| * |
| * Performs minimal validity checking on an intended change of |
| * placement flags. |
| * Returns |
| * -EINVAL: Intended change is invalid or not allowed. |
| */ |
| extern int ttm_bo_check_placement(struct ttm_buffer_object *bo, |
| struct ttm_placement *placement); |
| |
| /** |
| * ttm_bo_init_mm |
| * |
| * @bdev: Pointer to a ttm_bo_device struct. |