dpp_read_state
.dpp_read_state = dpp_read_state,
void dpp_read_state(struct dpp *dpp_base,
dpp->funcs->dpp_read_state(dpp, &s);
dpp->funcs->dpp_read_state(dpp, &s);
void (*dpp_read_state)(struct dpp *dpp, struct dcn_dpp_state *s);