drm/amdgpu: cleanup sync_seq handling

Not used any more without semaphores

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 3e040cb..cd93104 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -388,7 +388,7 @@
 	uint64_t			gpu_addr;
 	volatile uint32_t		*cpu_addr;
 	/* sync_seq is protected by ring emission lock */
-	uint64_t			sync_seq[AMDGPU_MAX_RINGS];
+	uint64_t			sync_seq;
 	atomic64_t			last_seq;
 	bool				initialized;
 	struct amdgpu_irq_src		*irq_src;
@@ -441,11 +441,6 @@
 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
 
-bool amdgpu_fence_need_sync(struct amdgpu_fence *fence,
-			    struct amdgpu_ring *ring);
-void amdgpu_fence_note_sync(struct amdgpu_fence *fence,
-			    struct amdgpu_ring *ring);
-
 /*
  * TTM.
  */