drm/ttm: cleanup some more resv->lock uses

Use the reservation wrapper for this.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NRoger He <Hongbo.He@amd.com>
Reviewed-by: NThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/ttm/ttm_bo.c

@@ -165,7 +165,7 @@ void ttm_bo_add_to_lru(struct ttm_buffer_object *bo)
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_mem_type_manager *man;
 
-	lockdep_assert_held(&bo->resv->lock.base);
+	reservation_object_assert_held(bo->resv);
 
 	if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
 
@@ -216,7 +216,7 @@ EXPORT_SYMBOL(ttm_bo_del_sub_from_lru);
 
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo)
 {
-	lockdep_assert_held(&bo->resv->lock.base);
+	reservation_object_assert_held(bo->resv);
 
 	ttm_bo_del_from_lru(bo);
 	ttm_bo_add_to_lru(bo);
@@ -665,7 +665,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
 	struct ttm_placement placement;
 	int ret = 0;
 
-	lockdep_assert_held(&bo->resv->lock.base);
+	reservation_object_assert_held(bo->resv);
 
 	evict_mem = bo->mem;
 	evict_mem.mm_node = NULL;
@@ -1022,7 +1022,7 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 	int ret = 0;
 	struct ttm_mem_reg mem;
 
-	lockdep_assert_held(&bo->resv->lock.base);
+	reservation_object_assert_held(bo->resv);
 
 	mem.num_pages = bo->num_pages;
 	mem.size = mem.num_pages << PAGE_SHIFT;
@@ -1092,7 +1092,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
 	int ret;
 	uint32_t new_flags;
 
-	lockdep_assert_held(&bo->resv->lock.base);
+	reservation_object_assert_held(bo->resv);
 	/*
 	 * Check whether we need to move buffer.
 	 */
@@ -1186,7 +1186,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	bo->sg = sg;
 	if (resv) {
 		bo->resv = resv;
-		lockdep_assert_held(&bo->resv->lock.base);
+		reservation_object_assert_held(bo->resv);
 	} else {
 		bo->resv = &bo->ttm_resv;
 	}
@@ -1208,7 +1208,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	 * since otherwise lockdep will be angered in radeon.
 	 */
 	if (!resv) {
-		locked = ww_mutex_trylock(&bo->resv->lock);
+		locked = reservation_object_trylock(bo->resv);
 		WARN_ON(!locked);
 	}
 

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -485,7 +485,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
 	fbo->acc_size = 0;
 	fbo->resv = &fbo->ttm_resv;
 	reservation_object_init(fbo->resv);
-	ret = ww_mutex_trylock(&fbo->resv->lock);
+	ret = reservation_object_trylock(fbo->resv);
 	WARN_ON(!ret);
 
 	*new_obj = fbo;