diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c
index ee03fd75a472..091a81bbdbdc 100644
--- a/drivers/thunderbolt/path.c
+++ b/drivers/thunderbolt/path.c
@@ -19,9 +19,9 @@ static void tb_dump_hop(const struct tb_path_hop *hop, const struct tb_regs_hop
 
 	tb_port_dbg(port, " In HopID: %d => Out port: %d Out HopID: %d\n",
 		    hop->in_hop_index, regs->out_port, regs->next_hop);
-	tb_port_dbg(port, "  Weight: %d Priority: %d Credits: %d Drop: %d\n",
-		    regs->weight, regs->priority,
-		    regs->initial_credits, regs->drop_packages);
+	tb_port_dbg(port, "  Weight: %d Priority: %d Credits: %d Drop: %d PM: %d\n",
+		    regs->weight, regs->priority, regs->initial_credits,
+		    regs->drop_packages, regs->pmps);
 	tb_port_dbg(port, "   Counter enabled: %d Counter index: %d\n",
 		    regs->counter_enable, regs->counter);
 	tb_port_dbg(port, "  Flow Control (In/Eg): %d/%d Shared Buffer (In/Eg): %d/%d\n",
@@ -535,6 +535,7 @@ int tb_path_activate(struct tb_path *path)
 		hop.next_hop = path->hops[i].next_hop_index;
 		hop.out_port = path->hops[i].out_port->port;
 		hop.initial_credits = path->hops[i].initial_credits;
+		hop.pmps = path->hops[i].pm_support;
 		hop.unknown1 = 0;
 		hop.enable = 1;
 
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index f29bbafb977f..3c9ae5584569 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -348,6 +348,7 @@ struct tb_retimer {
  *		     the path
  * @nfc_credits: Number of non-flow controlled buffers allocated for the
  *		 @in_port.
+ * @pm_support: Set path PM packet support bit to 1 (for USB4 v2 routers)
  *
  * Hop configuration is always done on the IN port of a switch.
  * in_port and out_port have to be on the same switch. Packets arriving on
@@ -368,6 +369,7 @@ struct tb_path_hop {
 	int next_hop_index;
 	unsigned int initial_credits;
 	unsigned int nfc_credits;
+	bool pm_support;
 };
 
 /**
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h
index 32839315948b..c14a1c3bc992 100644
--- a/drivers/thunderbolt/tb_regs.h
+++ b/drivers/thunderbolt/tb_regs.h
@@ -496,7 +496,8 @@ struct tb_regs_hop {
 			  * out_port (on the incoming port of the next switch)
 			  */
 	u32 out_port:6; /* next port of the path (on the same switch) */
-	u32 initial_credits:8;
+	u32 initial_credits:7;
+	u32 pmps:1;
 	u32 unknown1:6; /* set to zero */
 	bool enable:1;
 
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c
index 876b8f07f716..db0546c62cb3 100644
--- a/drivers/thunderbolt/tunnel.c
+++ b/drivers/thunderbolt/tunnel.c
@@ -134,6 +134,16 @@ static unsigned int tb_available_credits(const struct tb_port *port,
 	return credits > 0 ? credits : 0;
 }
 
+static void tb_init_pm_support(struct tb_path_hop *hop)
+{
+	struct tb_port *out_port = hop->out_port;
+	struct tb_port *in_port = hop->in_port;
+
+	if (tb_port_is_null(in_port) && tb_port_is_null(out_port) &&
+	    usb4_switch_version(in_port->sw) >= 2)
+		hop->pm_support = true;
+}
+
 static struct tb_tunnel *tb_tunnel_alloc(struct tb *tb, size_t npaths,
 					 enum tb_tunnel_type type)
 {
@@ -1213,7 +1223,7 @@ static void tb_dp_init_aux_credits(struct tb_path_hop *hop)
 		hop->initial_credits = 1;
 }
 
-static void tb_dp_init_aux_path(struct tb_path *path)
+static void tb_dp_init_aux_path(struct tb_path *path, bool pm_support)
 {
 	struct tb_path_hop *hop;
 
@@ -1224,8 +1234,11 @@ static void tb_dp_init_aux_path(struct tb_path *path)
 	path->priority = TB_DP_AUX_PRIORITY;
 	path->weight = TB_DP_AUX_WEIGHT;
 
-	tb_path_for_each_hop(path, hop)
+	tb_path_for_each_hop(path, hop) {
 		tb_dp_init_aux_credits(hop);
+		if (pm_support)
+			tb_init_pm_support(hop);
+	}
 }
 
 static int tb_dp_init_video_credits(struct tb_path_hop *hop)
@@ -1257,7 +1270,7 @@ static int tb_dp_init_video_credits(struct tb_path_hop *hop)
 	return 0;
 }
 
-static int tb_dp_init_video_path(struct tb_path *path)
+static int tb_dp_init_video_path(struct tb_path *path, bool pm_support)
 {
 	struct tb_path_hop *hop;
 
@@ -1274,6 +1287,8 @@ static int tb_dp_init_video_path(struct tb_path *path)
 		ret = tb_dp_init_video_credits(hop);
 		if (ret)
 			return ret;
+		if (pm_support)
+			tb_init_pm_support(hop);
 	}
 
 	return 0;
@@ -1365,7 +1380,7 @@ struct tb_tunnel *tb_tunnel_discover_dp(struct tb *tb, struct tb_port *in,
 		goto err_free;
 	}
 	tunnel->paths[TB_DP_VIDEO_PATH_OUT] = path;
-	if (tb_dp_init_video_path(tunnel->paths[TB_DP_VIDEO_PATH_OUT]))
+	if (tb_dp_init_video_path(tunnel->paths[TB_DP_VIDEO_PATH_OUT], false))
 		goto err_free;
 
 	path = tb_path_discover(in, TB_DP_AUX_TX_HOPID, NULL, -1, NULL, "AUX TX",
@@ -1373,14 +1388,14 @@ struct tb_tunnel *tb_tunnel_discover_dp(struct tb *tb, struct tb_port *in,
 	if (!path)
 		goto err_deactivate;
 	tunnel->paths[TB_DP_AUX_PATH_OUT] = path;
-	tb_dp_init_aux_path(tunnel->paths[TB_DP_AUX_PATH_OUT]);
+	tb_dp_init_aux_path(tunnel->paths[TB_DP_AUX_PATH_OUT], false);
 
 	path = tb_path_discover(tunnel->dst_port, -1, in, TB_DP_AUX_RX_HOPID,
 				&port, "AUX RX", alloc_hopid);
 	if (!path)
 		goto err_deactivate;
 	tunnel->paths[TB_DP_AUX_PATH_IN] = path;
-	tb_dp_init_aux_path(tunnel->paths[TB_DP_AUX_PATH_IN]);
+	tb_dp_init_aux_path(tunnel->paths[TB_DP_AUX_PATH_IN], false);
 
 	/* Validate that the tunnel is complete */
 	if (!tb_port_is_dpout(tunnel->dst_port)) {
@@ -1435,6 +1450,7 @@ struct tb_tunnel *tb_tunnel_alloc_dp(struct tb *tb, struct tb_port *in,
 	struct tb_tunnel *tunnel;
 	struct tb_path **paths;
 	struct tb_path *path;
+	bool pm_support;
 
 	if (WARN_ON(!in->cap_adap || !out->cap_adap))
 		return NULL;
@@ -1456,26 +1472,27 @@ struct tb_tunnel *tb_tunnel_alloc_dp(struct tb *tb, struct tb_port *in,
 	tunnel->max_down = max_down;
 
 	paths = tunnel->paths;
+	pm_support = usb4_switch_version(in->sw) >= 2;
 
 	path = tb_path_alloc(tb, in, TB_DP_VIDEO_HOPID, out, TB_DP_VIDEO_HOPID,
 			     link_nr, "Video");
 	if (!path)
 		goto err_free;
-	tb_dp_init_video_path(path);
+	tb_dp_init_video_path(path, pm_support);
 	paths[TB_DP_VIDEO_PATH_OUT] = path;
 
 	path = tb_path_alloc(tb, in, TB_DP_AUX_TX_HOPID, out,
 			     TB_DP_AUX_TX_HOPID, link_nr, "AUX TX");
 	if (!path)
 		goto err_free;
-	tb_dp_init_aux_path(path);
+	tb_dp_init_aux_path(path, pm_support);
 	paths[TB_DP_AUX_PATH_OUT] = path;
 
 	path = tb_path_alloc(tb, out, TB_DP_AUX_RX_HOPID, in,
 			     TB_DP_AUX_RX_HOPID, link_nr, "AUX RX");
 	if (!path)
 		goto err_free;
-	tb_dp_init_aux_path(path);
+	tb_dp_init_aux_path(path, pm_support);
 	paths[TB_DP_AUX_PATH_IN] = path;
 
 	return tunnel;