diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 25 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 1 |
2 files changed, 6 insertions, 20 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 0a992b016fe..31ad860c10c 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -39,6 +39,7 @@ #include <linux/mm.h> #include <linux/rbtree.h> #include <linux/bitmap.h> +#include <linux/reservation.h> struct ttm_bo_device; @@ -153,7 +154,6 @@ struct ttm_tt; * Lru lists may keep one refcount, the delayed delete list, and kref != 0 * keeps one refcount. When this refcount reaches zero, * the object is destroyed. - * @event_queue: Queue for processes waiting on buffer object status change. * @mem: structure describing current placement. * @persistent_swap_storage: Usually the swap storage is deleted for buffers * pinned in physical memory. If this behaviour is not desired, this member @@ -164,12 +164,6 @@ struct ttm_tt; * @lru: List head for the lru list. * @ddestroy: List head for the delayed destroy list. * @swap: List head for swap LRU list. - * @val_seq: Sequence of the validation holding the @reserved lock. - * Used to avoid starvation when many processes compete to validate the - * buffer. This member is protected by the bo_device::lru_lock. - * @seq_valid: The value of @val_seq is valid. This value is protected by - * the bo_device::lru_lock. - * @reserved: Deadlock-free lock used for synchronization state transitions. * @sync_obj: Pointer to a synchronization object. * @priv_flags: Flags describing buffer object internal state. * @vm_rb: Rb node for the vm rb tree. @@ -209,10 +203,9 @@ struct ttm_buffer_object { struct kref kref; struct kref list_kref; - wait_queue_head_t event_queue; /** - * Members protected by the bo::reserved lock. + * Members protected by the bo::resv::reserved lock. */ struct ttm_mem_reg mem; @@ -234,15 +227,6 @@ struct ttm_buffer_object { struct list_head ddestroy; struct list_head swap; struct list_head io_reserve_lru; - unsigned long val_seq; - bool seq_valid; - - /** - * Members protected by the bdev::lru_lock - * only when written to. - */ - - atomic_t reserved; /** * Members protected by struct buffer_object_device::fence_lock @@ -272,6 +256,9 @@ struct ttm_buffer_object { uint32_t cur_placement; struct sg_table *sg; + + struct reservation_object *resv; + struct reservation_object ttm_resv; }; /** @@ -736,7 +723,7 @@ extern void ttm_bo_swapout_all(struct ttm_bo_device *bdev); */ static inline bool ttm_bo_is_reserved(struct ttm_buffer_object *bo) { - return atomic_read(&bo->reserved); + return ww_mutex_is_locked(&bo->resv->lock); } #endif diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index ba71ef91f4d..ec8a1d30651 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -33,7 +33,6 @@ #include <ttm/ttm_bo_api.h> #include <linux/list.h> -#include <linux/reservation.h> /** * struct ttm_validate_buffer |