1 files changed, 4 insertions, 62 deletions

diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 43c4929a2171..54fa457b26ab 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -147,7 +147,6 @@ struct ttm_tt;
  * holds a pointer to a persistent shmem object.
  * @ttm: TTM structure holding system pages.
  * @evicted: Whether the object was evicted without user-space knowing.
- * @cpu_writes: For synchronization. Number of cpu writers.
  * @lru: List head for the lru list.
  * @ddestroy: List head for the delayed destroy list.
  * @swap: List head for swap LRU list.
@@ -199,12 +198,6 @@ struct ttm_buffer_object {
 	bool evicted;
 
 	/**
-	 * Members protected by the bo::reserved lock only when written to.
-	 */
-
-	atomic_t cpu_writers;
-
-	/**
 	 * Members protected by the bdev::lru_lock.
 	 */
 
@@ -368,30 +361,6 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
 void ttm_bo_put(struct ttm_buffer_object *bo);
 
 /**
- * ttm_bo_add_to_lru
- *
- * @bo: The buffer object.
- *
- * Add this bo to the relevant mem type lru and, if it's backed by
- * system pages (ttms) to the swap list.
- * This function must be called with struct ttm_bo_global::lru_lock held, and
- * is typically called immediately prior to unreserving a bo.
- */
-void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
-
-/**
- * ttm_bo_del_from_lru
- *
- * @bo: The buffer object.
- *
- * Remove this bo from all lru lists used to lookup and reserve an object.
- * This function must be called with struct ttm_bo_global::lru_lock held,
- * and is usually called just immediately after the bo has been reserved to
- * avoid recursive reservation from lru lists.
- */
-void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
-
-/**
  * ttm_bo_move_to_lru_tail
  *
  * @bo: The buffer object.
@@ -442,31 +411,6 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
 			      const struct ttm_place *place);
 
 /**
- * ttm_bo_synccpu_write_grab
- *
- * @bo: The buffer object:
- * @no_wait: Return immediately if buffer is busy.
- *
- * Synchronizes a buffer object for CPU RW access. This means
- * command submission that affects the buffer will return -EBUSY
- * until ttm_bo_synccpu_write_release is called.
- *
- * Returns
- * -EBUSY if the buffer is busy and no_wait is true.
- * -ERESTARTSYS if interrupted by a signal.
- */
-int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait);
-
-/**
- * ttm_bo_synccpu_write_release:
- *
- * @bo : The buffer object.
- *
- * Releases a synccpu lock.
- */
-void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
-
-/**
  * ttm_bo_acc_size
  *
  * @bdev: Pointer to a ttm_bo_device struct.
@@ -710,16 +654,14 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
 void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
 
 /**
- * ttm_fbdev_mmap - mmap fbdev memory backed by a ttm buffer object.
+ * ttm_bo_mmap_obj - mmap memory backed by a ttm buffer object.
  *
  * @vma:       vma as input from the fbdev mmap method.
- * @bo:        The bo backing the address space. The address space will
- * have the same size as the bo, and start at offset 0.
+ * @bo:        The bo backing the address space.
  *
- * This function is intended to be called by the fbdev mmap method
- * if the fbdev address space is to be backed by a bo.
+ * Maps a buffer object.
  */
-int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
+int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
 
 /**
  * ttm_bo_mmap - mmap out of the ttm device address space.