drm/amdgpu/vce: add common ring callbacks for ib and dma frame size

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index b0c6702..2c9ea9b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -803,6 +803,18 @@
 	amdgpu_ring_write(ring, VCE_CMD_END);
 }
 
+unsigned amdgpu_vce_ring_get_emit_ib_size(struct amdgpu_ring *ring)
+{
+	return
+		4; /* amdgpu_vce_ring_emit_ib */
+}
+
+unsigned amdgpu_vce_ring_get_dma_frame_size(struct amdgpu_ring *ring)
+{
+	return
+		6; /* amdgpu_vce_ring_emit_fence  x1 no user fence */
+}
+
 /**
  * amdgpu_vce_ring_test_ring - test if VCE ring is working
  *