diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 2 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 32 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 13 |
3 files changed, 34 insertions, 13 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 3cb5d84..0a992b0 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -234,7 +234,7 @@ struct ttm_buffer_object { struct list_head ddestroy; struct list_head swap; struct list_head io_reserve_lru; - uint32_t val_seq; + unsigned long val_seq; bool seq_valid; /** diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 9c8dca7..ec18c5f 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -38,6 +38,7 @@ #include <linux/workqueue.h> #include <linux/fs.h> #include <linux/spinlock.h> +#include <linux/reservation.h> struct ttm_backend_func { /** @@ -778,7 +779,7 @@ extern void ttm_mem_io_unlock(struct ttm_mem_type_manager *man); * @bo: A pointer to a struct ttm_buffer_object. * @interruptible: Sleep interruptible if waiting. * @no_wait: Don't sleep while trying to reserve, rather return -EBUSY. - * @use_sequence: If @bo is already reserved, Only sleep waiting for + * @use_ticket: If @bo is already reserved, Only sleep waiting for * it to become unreserved if @sequence < (@bo)->sequence. * * Locks a buffer object for validation. (Or prevents other processes from @@ -819,7 +820,8 @@ extern void ttm_mem_io_unlock(struct ttm_mem_type_manager *man); */ extern int ttm_bo_reserve(struct ttm_buffer_object *bo, bool interruptible, - bool no_wait, bool use_sequence, uint32_t sequence); + bool no_wait, bool use_ticket, + struct ww_acquire_ctx *ticket); /** * ttm_bo_reserve_slowpath_nolru: @@ -836,7 +838,7 @@ extern int ttm_bo_reserve(struct ttm_buffer_object *bo, */ extern int ttm_bo_reserve_slowpath_nolru(struct ttm_buffer_object *bo, bool interruptible, - uint32_t sequence); + struct ww_acquire_ctx *ticket); /** @@ -850,7 +852,8 @@ extern int ttm_bo_reserve_slowpath_nolru(struct ttm_buffer_object *bo, * held by us, this function cannot deadlock any more. */ extern int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, - bool interruptible, uint32_t sequence); + bool interruptible, + struct ww_acquire_ctx *ticket); /** * ttm_bo_reserve_nolru: @@ -876,8 +879,8 @@ extern int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, */ extern int ttm_bo_reserve_nolru(struct ttm_buffer_object *bo, bool interruptible, - bool no_wait, bool use_sequence, - uint32_t sequence); + bool no_wait, bool use_ticket, + struct ww_acquire_ctx *ticket); /** * ttm_bo_unreserve @@ -889,14 +892,25 @@ extern int ttm_bo_reserve_nolru(struct ttm_buffer_object *bo, extern void ttm_bo_unreserve(struct ttm_buffer_object *bo); /** - * ttm_bo_unreserve_locked + * ttm_bo_unreserve_ticket + * @bo: A pointer to a struct ttm_buffer_object. + * @ticket: ww_acquire_ctx used for reserving * + * Unreserve a previous reservation of @bo made with @ticket. + */ +extern void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo, + struct ww_acquire_ctx *ticket); + +/** + * ttm_bo_unreserve_locked * @bo: A pointer to a struct ttm_buffer_object. + * @ticket: ww_acquire_ctx used for reserving, or NULL * - * Unreserve a previous reservation of @bo. + * Unreserve a previous reservation of @bo made with @ticket. * Needs to be called with struct ttm_bo_global::lru_lock held. */ -extern void ttm_bo_unreserve_locked(struct ttm_buffer_object *bo); +extern void ttm_bo_unreserve_ticket_locked(struct ttm_buffer_object *bo, + struct ww_acquire_ctx *ticket); /* * ttm_bo_util.c diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 547e19f..ba71ef9 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -33,6 +33,7 @@ #include <ttm/ttm_bo_api.h> #include <linux/list.h> +#include <linux/reservation.h> /** * struct ttm_validate_buffer @@ -57,17 +58,20 @@ struct ttm_validate_buffer { /** * function ttm_eu_backoff_reservation * + * @ticket: ww_acquire_ctx from reserve call * @list: thread private list of ttm_validate_buffer structs. * * Undoes all buffer validation reservations for bos pointed to by * the list entries. */ -extern void ttm_eu_backoff_reservation(struct list_head *list); +extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, + struct list_head *list); /** * function ttm_eu_reserve_buffers * + * @ticket: [out] ww_acquire_ctx returned by call. * @list: thread private list of ttm_validate_buffer structs. * * Tries to reserve bos pointed to by the list entries for validation. @@ -90,11 +94,13 @@ extern void ttm_eu_backoff_reservation(struct list_head *list); * has failed. */ -extern int ttm_eu_reserve_buffers(struct list_head *list); +extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, + struct list_head *list); /** * function ttm_eu_fence_buffer_objects. * + * @ticket: ww_acquire_ctx from reserve call * @list: thread private list of ttm_validate_buffer structs. * @sync_obj: The new sync object for the buffers. * @@ -104,6 +110,7 @@ extern int ttm_eu_reserve_buffers(struct list_head *list); * */ -extern void ttm_eu_fence_buffer_objects(struct list_head *list, void *sync_obj); +extern void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket, + struct list_head *list, void *sync_obj); #endif |
