PS_SCALER_EN
ps_ctrl = PS_SCALER_EN | PS_BINDING_PIPE | scaler_state->scalers[id].mode |
if ((ctl & (PS_SCALER_EN | PS_BINDING_MASK)) == (PS_SCALER_EN | PS_BINDING_PIPE))
ps_ctrl = PS_SCALER_EN | PS_BINDING_PLANE(plane->id) | scaler->mode |