diff options
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 10 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 15 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 3 |
3 files changed, 23 insertions, 5 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 49d9cdfc58f2..435d02f719a8 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -768,4 +768,14 @@ int ttm_bo_swapout(struct ttm_bo_global *glob, struct ttm_operation_ctx *ctx); void ttm_bo_swapout_all(struct ttm_bo_device *bdev); int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo); + +/* Default number of pre-faulted pages in the TTM fault handler */ +#define TTM_BO_VM_NUM_PREFAULT 16 + +vm_fault_t ttm_bo_vm_reserve(struct ttm_buffer_object *bo, + struct vm_fault *vmf); + +vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf, + pgprot_t prot, + pgoff_t num_prefault); #endif diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 129dabbc002d..a2d810a2504d 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -442,6 +442,9 @@ extern struct ttm_bo_global { * @driver: Pointer to a struct ttm_bo_driver struct setup by the driver. * @man: An array of mem_type_managers. * @vma_manager: Address space manager + * @vm_ops: Pointer to the struct vm_operations_struct used for this + * device's VM operations. The driver may override this before the first + * mmap() call. * lru_lock: Spinlock that protects the buffer+device lru lists and * ddestroy lists. * @dev_mapping: A pointer to the struct address_space representing the @@ -460,6 +463,7 @@ struct ttm_bo_device { struct ttm_bo_global *glob; struct ttm_bo_driver *driver; struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES]; + const struct vm_operations_struct *vm_ops; /* * Protected by internal locks. @@ -488,6 +492,8 @@ struct ttm_bo_device { bool no_retry; }; +extern const struct vm_operations_struct ttm_bo_vm_ops; + /** * struct ttm_lru_bulk_move_pos * @@ -767,11 +773,12 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, */ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) { - if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) { - spin_lock(&bo->bdev->glob->lru_lock); + spin_lock(&bo->bdev->glob->lru_lock); + if (list_empty(&bo->lru)) ttm_bo_add_to_lru(bo); - spin_unlock(&bo->bdev->glob->lru_lock); - } + else + ttm_bo_move_to_lru_tail(bo, NULL); + spin_unlock(&bo->bdev->glob->lru_lock); reservation_object_unlock(bo->resv); } diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 621615fa7728..7e46cc678e7e 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -70,6 +70,7 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, * @list: thread private list of ttm_validate_buffer structs. * @intr: should the wait be interruptible * @dups: [out] optional list of duplicates. + * @del_lru: true if BOs should be removed from the LRU. * * Tries to reserve bos pointed to by the list entries for validation. * If the function returns 0, all buffers are marked as "unfenced", @@ -98,7 +99,7 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, struct list_head *list, bool intr, - struct list_head *dups); + struct list_head *dups, bool del_lru); /** * function ttm_eu_fence_buffer_objects. |