drm/amdgpu: clean up ring_backup code, no need more

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 7b923e6509af..ac686e514e01 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1213,10 +1213,6 @@ void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
 void amdgpu_ring_commit(struct amdgpu_ring *ring);
 void amdgpu_ring_undo(struct amdgpu_ring *ring);
-unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
-                            uint32_t **data);
-int amdgpu_ring_restore(struct amdgpu_ring *ring,
-                        unsigned size, uint32_t *data);
 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
                      unsigned ring_size, u32 nop, u32 align_mask,
                      struct amdgpu_irq_src *irq_src, unsigned irq_type,