drm/amdgpu: move sync handling into a separate header

Only cleanup, no intended functional change.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -53,6 +53,7 @@
 #include "amdgpu_ucode.h"
 #include "amdgpu_ttm.h"
 #include "amdgpu_gds.h"
+#include "amdgpu_sync.h"
 #include "amd_powerplay.h"
 #include "amdgpu_acp.h"
 
@@ -561,27 +562,6 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
 int amdgpu_mode_dumb_mmap(struct drm_file *filp,
 			  struct drm_device *dev,
 			  uint32_t handle, uint64_t *offset_p);
-/*
- * Synchronization
- */
-struct amdgpu_sync {
-	DECLARE_HASHTABLE(fences, 4);
-	struct fence	        *last_vm_update;
-};
-
-void amdgpu_sync_create(struct amdgpu_sync *sync);
-int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
-		      struct fence *f);
-int amdgpu_sync_resv(struct amdgpu_device *adev,
-		     struct amdgpu_sync *sync,
-		     struct reservation_object *resv,
-		     void *owner);
-struct fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
-				     struct amdgpu_ring *ring);
-struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
-void amdgpu_sync_free(struct amdgpu_sync *sync);
-int amdgpu_sync_init(void);
-void amdgpu_sync_fini(void);
 int amdgpu_fence_slab_init(void);
 void amdgpu_fence_slab_fini(void);
 

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

+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+#ifndef __AMDGPU_SYNC_H__
+#define __AMDGPU_SYNC_H__
+
+#include <linux/hashtable.h>
+
+struct fence;
+struct reservation_object;
+struct amdgpu_device;
+struct amdgpu_ring;
+
+/*
+ * Container for fences used to sync command submissions.
+ */
+struct amdgpu_sync {
+	DECLARE_HASHTABLE(fences, 4);
+	struct fence	*last_vm_update;
+};
+
+void amdgpu_sync_create(struct amdgpu_sync *sync);
+int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
+		      struct fence *f);
+int amdgpu_sync_resv(struct amdgpu_device *adev,
+		     struct amdgpu_sync *sync,
+		     struct reservation_object *resv,
+		     void *owner);
+struct fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
+				     struct amdgpu_ring *ring);
+struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
+void amdgpu_sync_free(struct amdgpu_sync *sync);
+int amdgpu_sync_init(void);
+void amdgpu_sync_fini(void);
+
+#endif