1 files changed, 18 insertions, 139 deletions

diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
index f1f67a279426..0903ba574f61 100644
--- a/drivers/gpu/drm/bridge/lvds-encoder.c
+++ b/drivers/gpu/drm/bridge/lvds-encoder.c
@@ -8,144 +8,18 @@
  */
 
 #include <drm/drmP.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_connector.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_encoder.h>
-#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_panel.h>
 
 #include <linux/of_graph.h>
 
-struct lvds_encoder {
-	struct device *dev;
-
-	struct drm_bridge bridge;
-	struct drm_connector connector;
-	struct drm_panel *panel;
-};
-
-static inline struct lvds_encoder *
-drm_bridge_to_lvds_encoder(struct drm_bridge *bridge)
-{
-	return container_of(bridge, struct lvds_encoder, bridge);
-}
-
-static inline struct lvds_encoder *
-drm_connector_to_lvds_encoder(struct drm_connector *connector)
-{
-	return container_of(connector, struct lvds_encoder, connector);
-}
-
-static int lvds_connector_get_modes(struct drm_connector *connector)
-{
-	struct lvds_encoder *lvds = drm_connector_to_lvds_encoder(connector);
-
-	return drm_panel_get_modes(lvds->panel);
-}
-
-static const struct drm_connector_helper_funcs lvds_connector_helper_funcs = {
-	.get_modes = lvds_connector_get_modes,
-};
-
-static const struct drm_connector_funcs lvds_connector_funcs = {
-	.dpms = drm_atomic_helper_connector_dpms,
-	.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 lvds_encoder_attach(struct drm_bridge *bridge)
-{
-	struct lvds_encoder *lvds = drm_bridge_to_lvds_encoder(bridge);
-	struct drm_connector *connector = &lvds->connector;
-	int ret;
-
-	if (!bridge->encoder) {
-		DRM_ERROR("Missing encoder\n");
-		return -ENODEV;
-	}
-
-	drm_connector_helper_add(connector, &lvds_connector_helper_funcs);
-
-	ret = drm_connector_init(bridge->dev, connector, &lvds_connector_funcs,
-				 DRM_MODE_CONNECTOR_LVDS);
-	if (ret) {
-		DRM_ERROR("Failed to initialize connector\n");
-		return ret;
-	}
-
-	drm_mode_connector_attach_encoder(&lvds->connector, bridge->encoder);
-
-	ret = drm_panel_attach(lvds->panel, &lvds->connector);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-static void lvds_encoder_detach(struct drm_bridge *bridge)
-{
-	struct lvds_encoder *lvds = drm_bridge_to_lvds_encoder(bridge);
-
-	drm_panel_detach(lvds->panel);
-}
-
-static void lvds_encoder_pre_enable(struct drm_bridge *bridge)
-{
-	struct lvds_encoder *lvds = drm_bridge_to_lvds_encoder(bridge);
-
-	drm_panel_prepare(lvds->panel);
-}
-
-static void lvds_encoder_enable(struct drm_bridge *bridge)
-{
-	struct lvds_encoder *lvds = drm_bridge_to_lvds_encoder(bridge);
-
-	drm_panel_enable(lvds->panel);
-}
-
-static void lvds_encoder_disable(struct drm_bridge *bridge)
-{
-	struct lvds_encoder *lvds = drm_bridge_to_lvds_encoder(bridge);
-
-	drm_panel_disable(lvds->panel);
-}
-
-static void lvds_encoder_post_disable(struct drm_bridge *bridge)
-{
-	struct lvds_encoder *lvds = drm_bridge_to_lvds_encoder(bridge);
-
-	drm_panel_unprepare(lvds->panel);
-}
-
-static const struct drm_bridge_funcs lvds_encoder_bridge_funcs = {
-	.attach = lvds_encoder_attach,
-	.detach = lvds_encoder_detach,
-	.pre_enable = lvds_encoder_pre_enable,
-	.enable = lvds_encoder_enable,
-	.disable = lvds_encoder_disable,
-	.post_disable = lvds_encoder_post_disable,
-};
-
 static int lvds_encoder_probe(struct platform_device *pdev)
 {
-	struct lvds_encoder *lvds;
 	struct device_node *port;
 	struct device_node *endpoint;
-	struct device_node *panel;
-
-	lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL);
-	if (!lvds)
-		return -ENOMEM;
-
-	lvds->dev = &pdev->dev;
-	platform_set_drvdata(pdev, lvds);
-
-	lvds->bridge.funcs = &lvds_encoder_bridge_funcs;
-	lvds->bridge.of_node = pdev->dev.of_node;
+	struct device_node *panel_node;
+	struct drm_panel *panel;
+	struct drm_bridge *bridge;
 
 	/* Locate the panel DT node. */
 	port = of_graph_get_port_by_id(pdev->dev.of_node, 1);
@@ -161,29 +35,34 @@ static int lvds_encoder_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
-	panel = of_graph_get_remote_port_parent(endpoint);
+	panel_node = of_graph_get_remote_port_parent(endpoint);
 	of_node_put(endpoint);
-	if (!panel) {
+	if (!panel_node) {
 		dev_dbg(&pdev->dev, "no remote endpoint for port 1\n");
 		return -ENXIO;
 	}
 
-	lvds->panel = of_drm_find_panel(panel);
-	of_node_put(panel);
-	if (!lvds->panel) {
+	panel = of_drm_find_panel(panel_node);
+	of_node_put(panel_node);
+	if (!panel) {
 		dev_dbg(&pdev->dev, "panel not found, deferring probe\n");
 		return -EPROBE_DEFER;
 	}
 
-	/* Register the bridge. */
-	return drm_bridge_add(&lvds->bridge);
+	bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_LVDS);
+	if (IS_ERR(bridge))
+		return PTR_ERR(bridge);
+
+	platform_set_drvdata(pdev, bridge);
+
+	return 0;
 }
 
 static int lvds_encoder_remove(struct platform_device *pdev)
 {
-	struct lvds_encoder *encoder = platform_get_drvdata(pdev);
+	struct drm_bridge *bridge = platform_get_drvdata(pdev);
 
-	drm_bridge_remove(&encoder->bridge);
+	drm_bridge_remove(bridge);
 
 	return 0;
 }