drm/amdgpu: move struct amdgpu_vram_reservation into vram mgr

Not used outside of that file.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -37,11 +37,6 @@
 
 #define AMDGPU_POISON	0xd0bed0be
 
-struct amdgpu_vram_reservation {
-	struct list_head node;
-	struct drm_mm_node mm_node;
-};
-
 struct amdgpu_vram_mgr {
 	struct ttm_resource_manager manager;
 	struct drm_mm mm;

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

@@ -29,6 +29,11 @@
 #include "amdgpu_atomfirmware.h"
 #include "atom.h"
 
+struct amdgpu_vram_reservation {
+	struct list_head node;
+	struct drm_mm_node mm_node;
+};
+
 static inline struct amdgpu_vram_mgr *
 to_vram_mgr(struct ttm_resource_manager *man)
 {