1 files changed, 85 insertions, 2 deletions

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index f711d592da52..32f04ec6c386 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1582,8 +1582,20 @@ err_drm_connector_update_edid_property:
 	return 0;
 }
 
+static int ast_dp501_connector_helper_detect_ctx(struct drm_connector *connector,
+						 struct drm_modeset_acquire_ctx *ctx,
+						 bool force)
+{
+	struct ast_device *ast = to_ast_device(connector->dev);
+
+	if (ast_dp501_is_connected(ast))
+		return connector_status_connected;
+	return connector_status_disconnected;
+}
+
 static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = {
 	.get_modes = ast_dp501_connector_helper_get_modes,
+	.detect_ctx = ast_dp501_connector_helper_detect_ctx,
 };
 
 static const struct drm_connector_funcs ast_dp501_connector_funcs = {
@@ -1608,7 +1620,7 @@ static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
 
-	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+	connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
 
 	return 0;
 }
@@ -1680,8 +1692,20 @@ err_drm_connector_update_edid_property:
 	return 0;
 }
 
+static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector,
+						 struct drm_modeset_acquire_ctx *ctx,
+						 bool force)
+{
+	struct ast_device *ast = to_ast_device(connector->dev);
+
+	if (ast_astdp_is_connected(ast))
+		return connector_status_connected;
+	return connector_status_disconnected;
+}
+
 static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = {
 	.get_modes = ast_astdp_connector_helper_get_modes,
+	.detect_ctx = ast_astdp_connector_helper_detect_ctx,
 };
 
 static const struct drm_connector_funcs ast_astdp_connector_funcs = {
@@ -1706,7 +1730,7 @@ static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector
 	connector->interlace_allowed = 0;
 	connector->doublescan_allowed = 0;
 
-	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+	connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
 
 	return 0;
 }
@@ -1736,6 +1760,60 @@ static int ast_astdp_output_init(struct ast_device *ast)
 }
 
 /*
+ * BMC virtual Connector
+ */
+
+static const struct drm_encoder_funcs ast_bmc_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
+static int ast_bmc_connector_helper_get_modes(struct drm_connector *connector)
+{
+	return drm_add_modes_noedid(connector, 4096, 4096);
+}
+
+static const struct drm_connector_helper_funcs ast_bmc_connector_helper_funcs = {
+	.get_modes = ast_bmc_connector_helper_get_modes,
+};
+
+static const struct drm_connector_funcs ast_bmc_connector_funcs = {
+	.reset = drm_atomic_helper_connector_reset,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.destroy = drm_connector_cleanup,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int ast_bmc_output_init(struct ast_device *ast)
+{
+	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;
+	int ret;
+
+	ret = drm_encoder_init(dev, encoder,
+			       &ast_bmc_encoder_funcs,
+			       DRM_MODE_ENCODER_VIRTUAL, "ast_bmc");
+	if (ret)
+		return ret;
+	encoder->possible_crtcs = drm_crtc_mask(crtc);
+
+	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);
+
+	ret = drm_connector_attach_encoder(connector, encoder);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+/*
  * Mode config
  */
 
@@ -1842,8 +1920,13 @@ int ast_mode_config_init(struct ast_device *ast)
 		if (ret)
 			return ret;
 	}
+	ret = ast_bmc_output_init(ast);
+	if (ret)
+		return ret;
 
 	drm_mode_config_reset(dev);
 
+	drm_kms_helper_poll_init(dev);
+
 	return 0;
 }