diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 2aee32344f4a..772f3b049c16 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -174,6 +174,17 @@ to_ast_sil164_connector(struct drm_connector *connector)
 	return container_of(connector, struct ast_sil164_connector, base);
 }
 
+struct ast_bmc_connector {
+	struct drm_connector base;
+	struct drm_connector *physical_connector;
+};
+
+static inline struct ast_bmc_connector *
+to_ast_bmc_connector(struct drm_connector *connector)
+{
+	return container_of(connector, struct ast_bmc_connector, base);
+}
+
 /*
  * Device
  */
@@ -218,7 +229,7 @@ struct ast_device {
 		} astdp;
 		struct {
 			struct drm_encoder encoder;
-			struct drm_connector connector;
+			struct ast_bmc_connector bmc_connector;
 		} bmc;
 	} output;
 
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index cb9614984285..c20534d0ef7c 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1767,6 +1767,30 @@ static const struct drm_encoder_funcs ast_bmc_encoder_funcs = {
 	.destroy = drm_encoder_cleanup,
 };
 
+static int ast_bmc_connector_helper_detect_ctx(struct drm_connector *connector,
+					       struct drm_modeset_acquire_ctx *ctx,
+					       bool force)
+{
+	struct ast_bmc_connector *bmc_connector = to_ast_bmc_connector(connector);
+	struct drm_connector *physical_connector = bmc_connector->physical_connector;
+
+	/*
+	 * Most user-space compositors cannot handle more than one connected
+	 * connector per CRTC. Hence, we only mark the BMC as connected if the
+	 * physical connector is disconnected. If the physical connector's status
+	 * is connected or unknown, the BMC remains disconnected. This has no
+	 * effect on the output of the BMC.
+	 *
+	 * FIXME: Remove this logic once user-space compositors can handle more
+	 *        than one connector per CRTC. The BMC should always be connected.
+	 */
+
+	if (physical_connector && physical_connector->status == connector_status_disconnected)
+		return connector_status_connected;
+
+	return connector_status_disconnected;
+}
+
 static int ast_bmc_connector_helper_get_modes(struct drm_connector *connector)
 {
 	return drm_add_modes_noedid(connector, 4096, 4096);
@@ -1774,6 +1798,7 @@ static int ast_bmc_connector_helper_get_modes(struct drm_connector *connector)
 
 static const struct drm_connector_helper_funcs ast_bmc_connector_helper_funcs = {
 	.get_modes = ast_bmc_connector_helper_get_modes,
+	.detect_ctx = ast_bmc_connector_helper_detect_ctx,
 };
 
 static const struct drm_connector_funcs ast_bmc_connector_funcs = {
@@ -1784,12 +1809,33 @@ static const struct drm_connector_funcs ast_bmc_connector_funcs = {
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };
 
-static int ast_bmc_output_init(struct ast_device *ast)
+static int ast_bmc_connector_init(struct drm_device *dev,
+				  struct ast_bmc_connector *bmc_connector,
+				  struct drm_connector *physical_connector)
+{
+	struct drm_connector *connector = &bmc_connector->base;
+	int ret;
+
+	ret = drm_connector_init(dev, connector, &ast_bmc_connector_funcs,
+				 DRM_MODE_CONNECTOR_VIRTUAL);
+	if (ret)
+		return ret;
+
+	drm_connector_helper_add(connector, &ast_bmc_connector_helper_funcs);
+
+	bmc_connector->physical_connector = physical_connector;
+
+	return 0;
+}
+
+static int ast_bmc_output_init(struct ast_device *ast,
+			       struct drm_connector *physical_connector)
 {
 	struct drm_device *dev = &ast->base;
 	struct drm_crtc *crtc = &ast->crtc;
 	struct drm_encoder *encoder = &ast->output.bmc.encoder;
-	struct drm_connector *connector = &ast->output.bmc.connector;
+	struct ast_bmc_connector *bmc_connector = &ast->output.bmc.bmc_connector;
+	struct drm_connector *connector = &bmc_connector->base;
 	int ret;
 
 	ret = drm_encoder_init(dev, encoder,
@@ -1799,13 +1845,10 @@ static int ast_bmc_output_init(struct ast_device *ast)
 		return ret;
 	encoder->possible_crtcs = drm_crtc_mask(crtc);
 
-	ret = drm_connector_init(dev, connector, &ast_bmc_connector_funcs,
-				 DRM_MODE_CONNECTOR_VIRTUAL);
+	ret = ast_bmc_connector_init(dev, bmc_connector, physical_connector);
 	if (ret)
 		return ret;
 
-	drm_connector_helper_add(connector, &ast_bmc_connector_helper_funcs);
-
 	ret = drm_connector_attach_encoder(connector, encoder);
 	if (ret)
 		return ret;
@@ -1864,6 +1907,7 @@ static const struct drm_mode_config_funcs ast_mode_config_funcs = {
 int ast_mode_config_init(struct ast_device *ast)
 {
 	struct drm_device *dev = &ast->base;
+	struct drm_connector *physical_connector = NULL;
 	int ret;
 
 	ret = drmm_mode_config_init(dev);
@@ -1904,23 +1948,27 @@ int ast_mode_config_init(struct ast_device *ast)
 		ret = ast_vga_output_init(ast);
 		if (ret)
 			return ret;
+		physical_connector = &ast->output.vga.vga_connector.base;
 	}
 	if (ast->tx_chip_types & AST_TX_SIL164_BIT) {
 		ret = ast_sil164_output_init(ast);
 		if (ret)
 			return ret;
+		physical_connector = &ast->output.sil164.sil164_connector.base;
 	}
 	if (ast->tx_chip_types & AST_TX_DP501_BIT) {
 		ret = ast_dp501_output_init(ast);
 		if (ret)
 			return ret;
+		physical_connector = &ast->output.dp501.connector;
 	}
 	if (ast->tx_chip_types & AST_TX_ASTDP_BIT) {
 		ret = ast_astdp_output_init(ast);
 		if (ret)
 			return ret;
+		physical_connector = &ast->output.astdp.connector;
 	}
-	ret = ast_bmc_output_init(ast);
+	ret = ast_bmc_output_init(ast, physical_connector);
 	if (ret)
 		return ret;