Symbol: tb_dp_port_hpd_is_active
drivers/thunderbolt/tb.c
1299
if (tb_port_is_dpout(port) && tb_dp_port_hpd_is_active(port) == 1 &&
drivers/thunderbolt/tb.h
1182
int tb_dp_port_hpd_is_active(struct tb_port *port);
drivers/thunderbolt/tunnel.c
1617
if (!tb_dp_port_hpd_is_active(tunnel->dst_port))