vcn_v2_0_dec_ring_insert_start
.insert_start = vcn_v2_0_dec_ring_insert_start,
extern void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring);
.insert_start = vcn_v2_0_dec_ring_insert_start,
.insert_start = vcn_v2_0_dec_ring_insert_start,