diff --git a/include/sway/output.h b/include/sway/output.h
index 2aa1b2788..04202976c 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -96,6 +96,9 @@ void output_damage_box(struct sway_output *output, struct wlr_box *box);
 void output_damage_whole_container(struct sway_output *output,
 	struct sway_container *con);
 
+bool output_match_name_or_id(struct sway_output *output,
+	const char *name_or_id);
+
 // this ONLY includes the enabled outputs
 struct sway_output *output_by_name_or_id(const char *name_or_id);
 
diff --git a/sway/config/output.c b/sway/config/output.c
index 3b524433c..45d2441b1 100644
--- a/sway/config/output.c
+++ b/sway/config/output.c
@@ -153,29 +153,23 @@ static void merge_wildcard_on_all(struct output_config *wildcard) {
 }
 
 static void merge_id_on_name(struct output_config *oc) {
-	char *id_on_name = NULL;
-	char id[128];
-	char *name = NULL;
-	struct sway_output *output;
-	wl_list_for_each(output, &root->all_outputs, link) {
-		name = output->wlr_output->name;
-		output_get_identifier(id, sizeof(id), output);
-		if (strcmp(name, oc->name) == 0 || strcmp(id, oc->name) == 0) {
-			size_t length = snprintf(NULL, 0, "%s on %s", id, name) + 1;
-			id_on_name = malloc(length);
-			if (!id_on_name) {
-				sway_log(SWAY_ERROR, "Failed to allocate id on name string");
-				return;
-			}
-			snprintf(id_on_name, length, "%s on %s", id, name);
-			break;
-		}
-	}
-
-	if (!id_on_name) {
+	struct sway_output *output = all_output_by_name_or_id(oc->name);
+	if (output == NULL) {
 		return;
 	}
 
+	const char *name = output->wlr_output->name;
+	char id[128];
+	output_get_identifier(id, sizeof(id), output);
+
+	size_t size = snprintf(NULL, 0, "%s on %s", id, name) + 1;
+	char *id_on_name = malloc(size);
+	if (!id_on_name) {
+		sway_log(SWAY_ERROR, "Failed to allocate id on name string");
+		return;
+	}
+	snprintf(id_on_name, size, "%s on %s", id, name);
+
 	int i = list_seq_find(config->output_configs, output_name_cmp, id_on_name);
 	if (i >= 0) {
 		sway_log(SWAY_DEBUG, "Merging on top of existing id on name config");
@@ -728,12 +722,11 @@ void apply_output_config_to_outputs(struct output_config *oc) {
 	// this is during startup then there will be no container and config
 	// will be applied during normal "new output" event from wlroots.
 	bool wildcard = strcmp(oc->name, "*") == 0;
-	char id[128];
 	struct sway_output *sway_output, *tmp;
 	wl_list_for_each_safe(sway_output, tmp, &root->all_outputs, link) {
-		char *name = sway_output->wlr_output->name;
-		output_get_identifier(id, sizeof(id), sway_output);
-		if (wildcard || !strcmp(name, oc->name) || !strcmp(id, oc->name)) {
+		if (output_match_name_or_id(sway_output, oc->name)) {
+			char id[128];
+			output_get_identifier(id, sizeof(id), sway_output);
 			struct output_config *current = get_output_config(id, sway_output);
 			if (!current) {
 				// No stored output config matched, apply oc directly
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 59319f629..0b0b4000c 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -36,13 +36,29 @@
 #include <wlr/types/wlr_drm_lease_v1.h>
 #endif
 
+bool output_match_name_or_id(struct sway_output *output,
+		const char *name_or_id) {
+	if (strcmp(name_or_id, "*") == 0) {
+		return true;
+	}
+
+	const char port_prefix[] = "port:";
+	if (strncmp(name_or_id, port_prefix, strlen(port_prefix)) == 0) {
+		const char *port = &name_or_id[strlen(port_prefix)];
+		return output->wlr_output->port != NULL &&
+			strcmp(output->wlr_output->port, port) == 0;
+	}
+
+	char identifier[128];
+	output_get_identifier(identifier, sizeof(identifier), output);
+	return strcasecmp(identifier, name_or_id) == 0
+		|| strcasecmp(output->wlr_output->name, name_or_id) == 0;
+}
+
 struct sway_output *output_by_name_or_id(const char *name_or_id) {
 	for (int i = 0; i < root->outputs->length; ++i) {
 		struct sway_output *output = root->outputs->items[i];
-		char identifier[128];
-		output_get_identifier(identifier, sizeof(identifier), output);
-		if (strcasecmp(identifier, name_or_id) == 0
-				|| strcasecmp(output->wlr_output->name, name_or_id) == 0) {
+		if (output_match_name_or_id(output, name_or_id)) {
 			return output;
 		}
 	}
@@ -52,10 +68,7 @@ struct sway_output *output_by_name_or_id(const char *name_or_id) {
 struct sway_output *all_output_by_name_or_id(const char *name_or_id) {
 	struct sway_output *output;
 	wl_list_for_each(output, &root->all_outputs, link) {
-		char identifier[128];
-		output_get_identifier(identifier, sizeof(identifier), output);
-		if (strcasecmp(identifier, name_or_id) == 0
-				|| strcasecmp(output->wlr_output->name, name_or_id) == 0) {
+		if (output_match_name_or_id(output, name_or_id)) {
 			return output;
 		}
 	}
diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index c7cbea013..0c043600c 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -300,6 +300,7 @@ static void ipc_json_describe_wlr_output(struct wlr_output *wlr_output, json_obj
 			json_object_new_string(wlr_output->model ? wlr_output->model : "Unknown"));
 	json_object_object_add(object, "serial",
 			json_object_new_string(wlr_output->serial ? wlr_output->serial : "Unknown"));
+	json_object_object_add(object, "port", json_object_new_string(wlr_output->port));
 
 	json_object *modes_array = json_object_new_array();
 	struct wlr_output_mode *mode;
diff --git a/sway/tree/workspace.c b/sway/tree/workspace.c
index ee9404660..18218768b 100644
--- a/sway/tree/workspace.c
+++ b/sway/tree/workspace.c
@@ -176,22 +176,16 @@ void workspace_consider_destroy(struct sway_workspace *ws) {
 static bool workspace_valid_on_output(const char *output_name,
 		const char *ws_name) {
 	struct workspace_config *wsc = workspace_find_config(ws_name);
-	char identifier[128];
 	struct sway_output *output = output_by_name_or_id(output_name);
 	if (!output) {
 		return false;
 	}
-	output_name = output->wlr_output->name;
-	output_get_identifier(identifier, sizeof(identifier), output);
-
 	if (!wsc) {
 		return true;
 	}
 
 	for (int i = 0; i < wsc->outputs->length; i++) {
-		if (strcmp(wsc->outputs->items[i], "*") == 0 ||
-				strcmp(wsc->outputs->items[i], output_name) == 0 ||
-				strcmp(wsc->outputs->items[i], identifier) == 0) {
+		if (output_match_name_or_id(output, wsc->outputs->items[i])) {
 			return true;
 		}
 	}
@@ -286,13 +280,10 @@ char *workspace_next_name(const char *output_name) {
 	// assignments primarily, falling back to bindings and numbers.
 	struct sway_mode *mode = config->current_mode;
 
-	char identifier[128];
 	struct sway_output *output = output_by_name_or_id(output_name);
 	if (!output) {
 		return NULL;
 	}
-	output_name = output->wlr_output->name;
-	output_get_identifier(identifier, sizeof(identifier), output);
 
 	int order = INT_MAX;
 	char *target = NULL;
@@ -312,9 +303,7 @@ char *workspace_next_name(const char *output_name) {
 		}
 		bool found = false;
 		for (int j = 0; j < wsc->outputs->length; ++j) {
-			if (strcmp(wsc->outputs->items[j], "*") == 0 ||
-					strcmp(wsc->outputs->items[j], output_name) == 0 ||
-					strcmp(wsc->outputs->items[j], identifier) == 0) {
+			if (output_match_name_or_id(output, wsc->outputs->items[j])) {
 				found = true;
 				free(target);
 				target = strdup(wsc->workspace);
@@ -654,15 +643,9 @@ void workspace_output_add_priority(struct sway_workspace *workspace,
 
 struct sway_output *workspace_output_get_highest_available(
 		struct sway_workspace *ws, struct sway_output *exclude) {
-	char exclude_id[128] = {'\0'};
-	if (exclude) {
-		output_get_identifier(exclude_id, sizeof(exclude_id), exclude);
-	}
-
 	for (int i = 0; i < ws->output_priority->length; i++) {
-		char *name = ws->output_priority->items[i];
-		if (exclude && (strcmp(name, exclude->wlr_output->name) == 0
-					|| strcmp(name, exclude_id) == 0)) {
+		const char *name = ws->output_priority->items[i];
+		if (exclude && output_match_name_or_id(exclude, name)) {
 			continue;
 		}
 
diff --git a/swaymsg/main.c b/swaymsg/main.c
index db9346c4b..dda890a01 100644
--- a/swaymsg/main.c
+++ b/swaymsg/main.c
@@ -193,11 +193,12 @@ static void pretty_print_output(json_object *o) {
 	json_object_object_get_ex(o, "power", &power);
 	json_object_object_get_ex(o, "current_workspace", &ws);
 	json_object_object_get_ex(o, "non_desktop", &non_desktop);
-	json_object *make, *model, *serial, *scale, *scale_filter, *subpixel,
+	json_object *make, *model, *serial, *port, *scale, *scale_filter, *subpixel,
 		*transform, *max_render_time, *adaptive_sync_status;
 	json_object_object_get_ex(o, "make", &make);
 	json_object_object_get_ex(o, "model", &model);
 	json_object_object_get_ex(o, "serial", &serial);
+	json_object_object_get_ex(o, "port", &port);
 	json_object_object_get_ex(o, "scale", &scale);
 	json_object_object_get_ex(o, "scale_filter", &scale_filter);
 	json_object_object_get_ex(o, "subpixel_hinting", &subpixel);
@@ -267,6 +268,10 @@ static void pretty_print_output(json_object *o) {
 		);
 	}
 
+	if (port != NULL) {
+		printf("  Port: %s\n", json_object_get_string(port));
+	}
+
 	size_t modes_len = json_object_is_type(modes, json_type_array)
 		? json_object_array_length(modes) : 0;
 	if (modes_len > 0) {