[PATCH v2 4/7] drm/vmwgfx: Replace ttm_bo_reference with ttm_bo_get

[Thomas Zimmermann]

The function ttm_bo_get acquires a reference on a TTM buffer object. The
function's name is more aligned to the Linux kernel convention of naming
ref-counting function _get and _put.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c       | 5 +++--
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h      | 5 ++---
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 3 ++-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 7ce1c2f87d9a..bb9d95ef0707 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -614,7 +614,8 @@ int vmw_user_bo_alloc(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		return ret;
 
-	tmp = ttm_bo_reference(&user_bo->vbo.base);
+	ttm_bo_get(&user_bo->vbo.base);
+	tmp = &user_bo->vbo.base;
 	ret = ttm_prime_object_init(tfile,
 				    size,
 				    &user_bo->prime,
@@ -911,7 +912,7 @@ int vmw_user_bo_lookup(struct ttm_object_file *tfile,
 
 	vmw_user_bo = container_of(base, struct vmw_user_buffer_object,
 				   prime.base);
-	(void)ttm_bo_reference(&vmw_user_bo->vbo.base);
+	ttm_bo_get(&vmw_user_bo->vbo.base);
 	if (p_base)
 		*p_base = base;
 	else
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index cd607ba9c2fe..b7fb9b79bfef 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1346,9 +1346,8 @@ static inline void vmw_bo_unreference(struct vmw_buffer_object **buf)
 static inline struct vmw_buffer_object *
 vmw_bo_reference(struct vmw_buffer_object *buf)
 {
-	if (ttm_bo_reference(&buf->base))
-		return buf;
-	return NULL;
+	ttm_bo_get(&buf->base);
+	return buf;
 }
 
 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 3025bfc001a1..d67b928adf6a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -461,7 +461,8 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket,
 	}
 
 	INIT_LIST_HEAD(&val_list);
-	val_buf->bo = ttm_bo_reference(&res->backup->base);
+	ttm_bo_get(&res->backup->base);
+	val_buf->bo = &res->backup->base;
 	val_buf->num_shared = 0;
 	list_add_tail(&val_buf->head, &val_list);
 	ret = ttm_eu_reserve_buffers(ticket, &val_list, interruptible, NULL);
-- 
2.20.1