[PATCH 5/5] drm: lcdif: Use drm_bridge_connector

[Liu Ying]

Initialize a connector by calling drm_bridge_connector_init() for
each encoder so that down stream bridge drivers don't need to create
connectors any more.

Signed-off-by: Liu Ying <victor....@nxp.com>
---
 drivers/gpu/drm/mxsfb/Kconfig     |  1 +
 drivers/gpu/drm/mxsfb/lcdif_drv.c | 17 ++++++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mxsfb/Kconfig b/drivers/gpu/drm/mxsfb/Kconfig
index 264e74f45554..06c95e556380 100644
--- a/drivers/gpu/drm/mxsfb/Kconfig
+++ b/drivers/gpu/drm/mxsfb/Kconfig
@@ -27,6 +27,7 @@ config DRM_IMX_LCDIF
        depends on DRM && OF
        depends on COMMON_CLK
        depends on ARCH_MXC || COMPILE_TEST
+       select DRM_BRIDGE_CONNECTOR
        select DRM_CLIENT_SELECTION
        select DRM_MXS
        select DRM_KMS_HELPER
diff --git a/drivers/gpu/drm/mxsfb/lcdif_drv.c 
b/drivers/gpu/drm/mxsfb/lcdif_drv.c
index 58ccad9c425d..d4521da6675e 100644
--- a/drivers/gpu/drm/mxsfb/lcdif_drv.c
+++ b/drivers/gpu/drm/mxsfb/lcdif_drv.c
@@ -16,7 +16,9 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_bridge.h>
+#include <drm/drm_bridge_connector.h>
 #include <drm/drm_client_setup.h>
+#include <drm/drm_connector.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_encoder.h>
 #include <drm/drm_fbdev_dma.h>
@@ -56,6 +58,7 @@ static int lcdif_attach_bridge(struct lcdif_drm_private 
*lcdif)
                struct device_node *remote;
                struct of_endpoint of_ep;
                struct drm_encoder *encoder;
+               struct drm_connector *connector;
 
                remote = of_graph_get_remote_port_parent(ep);
                if (!of_device_is_available(remote)) {
@@ -97,13 +100,25 @@ static int lcdif_attach_bridge(struct lcdif_drm_private 
*lcdif)
                        return ret;
                }
 
-               ret = drm_bridge_attach(encoder, bridge, NULL, 0);
+               ret = drm_bridge_attach(encoder, bridge, NULL,
+                                       DRM_BRIDGE_ATTACH_NO_CONNECTOR);
                if (ret) {
                        of_node_put(ep);
                        return dev_err_probe(dev, ret,
                                             "Failed to attach bridge for 
endpoint%u\n",
                                             of_ep.id);
                }
+
+               connector = drm_bridge_connector_init(lcdif->drm, encoder);
+               if (IS_ERR(connector)) {
+                       ret = PTR_ERR(connector);
+                       dev_err(dev, "Failed to initialize bridge connector: 
%d\n",
+                               ret);
+                       of_node_put(ep);
+                       return ret;
+               }
+
+               drm_connector_attach_encoder(connector, encoder);
        }
 
        return 0;
-- 
2.34.1