drm/ttm/drivers: call the bind function directly.

Now the bind functions have all the protection explicitly the
drivers can just call them directly, and the api can be unexported
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200917043040.146575-5-airlied@gmail.com

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -63,6 +63,10 @@
 
 #define AMDGPU_TTM_VRAM_MAX_DW_READ	(size_t)128
 
+static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev,
+				   struct ttm_tt *ttm,
+				   struct ttm_resource *bo_mem);
+
 static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev,
 				    unsigned int type,
 				    uint64_t size)
@@ -552,7 +556,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
 		goto out_cleanup;
 
 	/* Bind the memory to the GTT space */
-	r = ttm_bo_tt_bind(bo, &tmp_mem);
+	r = amdgpu_ttm_backend_bind(bo->bdev, bo->ttm, &tmp_mem);
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -44,6 +44,9 @@
 #include <nvif/if500b.h>
 #include <nvif/if900b.h>
 
+static int nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
+			       struct ttm_resource *reg);
+
 /*
  * NV10-NV40 tiling helpers
  */
@@ -927,7 +930,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
 	if (ret)
 		goto out;
 
-	ret = ttm_bo_tt_bind(bo, &tmp_reg);
+	ret = nouveau_ttm_tt_bind(bo->bdev, bo->ttm, &tmp_reg);
 	if (ret)
 		goto out;
 

drivers/gpu/drm/radeon/radeon_ttm.c

@@ -56,6 +56,10 @@
 static int radeon_ttm_debugfs_init(struct radeon_device *rdev);
 static void radeon_ttm_debugfs_fini(struct radeon_device *rdev);
 
+static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
+			      struct ttm_tt *ttm,
+			      struct ttm_resource *bo_mem);
+
 struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
 {
 	struct radeon_mman *mman;
@@ -238,7 +242,7 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
 		goto out_cleanup;
 	}
 
-	r = ttm_bo_tt_bind(bo, &tmp_mem);
+	r = radeon_ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem);
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1627,7 +1627,6 @@ int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem)
 {
 	return bo->bdev->driver->ttm_tt_bind(bo->bdev, bo->ttm, mem);
 }
-EXPORT_SYMBOL(ttm_bo_tt_bind);
 
 void ttm_bo_tt_unbind(struct ttm_buffer_object *bo)
 {