drm/ttm: de-inline ttm_bo_pin/unpin

Those functions are going to become more complex, don't inline them any
more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321132601.2161-4-christian.koenig@amd.com

drivers/gpu/drm/ttm/ttm_bo.c

@@ -633,6 +633,38 @@ int ttm_mem_evict_first(struct ttm_device *bdev,
 	return ret;
 }
 
+/**
+ * ttm_bo_pin - Pin the buffer object.
+ * @bo: The buffer object to pin
+ *
+ * Make sure the buffer is not evicted any more during memory pressure.
+ * @bo must be unpinned again by calling ttm_bo_unpin().
+ */
+void ttm_bo_pin(struct ttm_buffer_object *bo)
+{
+	dma_resv_assert_held(bo->base.resv);
+	WARN_ON_ONCE(!kref_read(&bo->kref));
+	++bo->pin_count;
+}
+EXPORT_SYMBOL(ttm_bo_pin);
+
+/**
+ * ttm_bo_unpin - Unpin the buffer object.
+ * @bo: The buffer object to unpin
+ *
+ * Allows the buffer object to be evicted again during memory pressure.
+ */
+void ttm_bo_unpin(struct ttm_buffer_object *bo)
+{
+	dma_resv_assert_held(bo->base.resv);
+	WARN_ON_ONCE(!kref_read(&bo->kref));
+	if (bo->pin_count)
+		--bo->pin_count;
+	else
+		WARN_ON_ONCE(true);
+}
+EXPORT_SYMBOL(ttm_bo_unpin);
+
 /*
  * Add the last move fence to the BO and reserve a new shared slot. We only use
  * a shared slot to avoid unecessary sync and rely on the subsequent bo move to

include/drm/ttm/ttm_bo_api.h

@@ -524,34 +524,8 @@ ssize_t ttm_bo_io(struct ttm_device *bdev, struct file *filp,
 int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
 		   gfp_t gfp_flags);
 
-/**
- * ttm_bo_pin - Pin the buffer object.
- * @bo: The buffer object to pin
- *
- * Make sure the buffer is not evicted any more during memory pressure.
- */
-static inline void ttm_bo_pin(struct ttm_buffer_object *bo)
-{
-	dma_resv_assert_held(bo->base.resv);
-	WARN_ON_ONCE(!kref_read(&bo->kref));
-	++bo->pin_count;
-}
-
-/**
- * ttm_bo_unpin - Unpin the buffer object.
- * @bo: The buffer object to unpin
- *
- * Allows the buffer object to be evicted again during memory pressure.
- */
-static inline void ttm_bo_unpin(struct ttm_buffer_object *bo)
-{
-	dma_resv_assert_held(bo->base.resv);
-	WARN_ON_ONCE(!kref_read(&bo->kref));
-	if (bo->pin_count)
-		--bo->pin_count;
-	else
-		WARN_ON_ONCE(true);
-}
+void ttm_bo_pin(struct ttm_buffer_object *bo);
+void ttm_bo_unpin(struct ttm_buffer_object *bo);
 
 int ttm_mem_evict_first(struct ttm_device *bdev,
 			struct ttm_resource_manager *man,