drm/amdgpu: move amdgpu_need_backup to amdgpu_object.c

It's the only place it's used.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -1889,7 +1889,6 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
 /* Common functions */
 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 			      struct amdgpu_job* job, bool force);
-bool amdgpu_need_backup(struct amdgpu_device *adev);
 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
 bool amdgpu_device_need_post(struct amdgpu_device *adev);
 void amdgpu_update_display_priority(struct amdgpu_device *adev);

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

@@ -2425,14 +2425,6 @@ static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev)
 	return 0;
 }
 
-bool amdgpu_need_backup(struct amdgpu_device *adev)
-{
-	if (adev->flags & AMD_IS_APU)
-		return false;
-
-	return amdgpu_gpu_recovery;
-}
-
 static int amdgpu_device_recover_vram_from_shadow(struct amdgpu_device *adev,
 						  struct amdgpu_ring *ring,
 						  struct amdgpu_bo *bo,

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

@@ -37,6 +37,14 @@
 #include "amdgpu.h"
 #include "amdgpu_trace.h"
 
+static bool amdgpu_need_backup(struct amdgpu_device *adev)
+{
+	if (adev->flags & AMD_IS_APU)
+		return false;
+
+	return amdgpu_gpu_recovery;
+}
+
 static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);