#define CIK_CURSOR_HEIGHT 128
 
 struct amdgpu_device;
-struct amdgpu_fence;
 struct amdgpu_ib;
 struct amdgpu_vm;
 struct amdgpu_ring;
 #define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
 #define AMDGPU_FENCE_FLAG_INT           (1 << 1)
 
-struct amdgpu_fence {
-       struct fence base;
-
-       /* RB, DMA, etc. */
-       struct amdgpu_ring              *ring;
-       uint64_t                        seq;
-
-       wait_queue_t                    fence_wake;
-};
-
 struct amdgpu_user_fence {
        /* write-back bo */
        struct amdgpu_bo        *bo;
 u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
 void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
 
-/*
- * Cast helper
- */
-extern const struct fence_ops amdgpu_fence_ops;
-static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
-{
-       struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
-
-       if (__f->base.ops == &amdgpu_fence_ops)
-               return __f;
-
-       return NULL;
-}
-
 /*
  * Registers read & write functions.
  */
 
  * that the the relevant GPU caches have been flushed.
  */
 
+struct amdgpu_fence {
+       struct fence base;
+
+       /* RB, DMA, etc. */
+       struct amdgpu_ring              *ring;
+       uint64_t                        seq;
+
+       wait_queue_t                    fence_wake;
+};
+
 static struct kmem_cache *amdgpu_fence_slab;
 static atomic_t amdgpu_fence_slab_ref = ATOMIC_INIT(0);
 
+/*
+ * Cast helper
+ */
+static const struct fence_ops amdgpu_fence_ops;
+static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
+{
+       struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
+
+       if (__f->base.ops == &amdgpu_fence_ops)
+               return __f;
+
+       return NULL;
+}
+
 /**
  * amdgpu_fence_write - write a fence value
  *
        kmem_cache_free(amdgpu_fence_slab, fence);
 }
 
-const struct fence_ops amdgpu_fence_ops = {
+static const struct fence_ops amdgpu_fence_ops = {
        .get_driver_name = amdgpu_fence_get_driver_name,
        .get_timeline_name = amdgpu_fence_get_timeline_name,
        .enable_signaling = amdgpu_fence_enable_signaling,