to_dpu_hw_ctl
cstate->mixers[i].lm_ctl = to_dpu_hw_ctl(hw_ctl[ctl_idx]);
phys->hw_ctl = to_dpu_hw_ctl(hw_ctl[0]);
phys->hw_ctl = i < num_ctl ? to_dpu_hw_ctl(hw_ctl[i]) : NULL;
ctl = to_dpu_hw_ctl(rm->ctl_blks[j]);