The current output code only supports connection to drm panels. Add code to support drm bridge, to support connections to external connectors.
Signed-off-by: Meng Yi meng.yi@nxp.com --- Changes since V1: -no change --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c index ef34436..56f6991 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c @@ -180,17 +180,27 @@ err_cleanup: static int fsl_dcu_attach_endpoint(struct fsl_dcu_drm_device *fsl_dev, const struct of_endpoint *ep) { + struct drm_bridge *bridge; struct device_node *np; int ret;
np = of_graph_get_remote_port_parent(ep->local_node);
fsl_dev->connector.panel = of_drm_find_panel(np); - of_node_put(np); - if (fsl_dev->connector.panel) + if (fsl_dev->connector.panel) { + of_node_put(np); return fsl_dcu_attach_panel(fsl_dev, fsl_dev->connector.panel); + } + + bridge = of_drm_find_bridge(np); + of_node_put(np); + if (!bridge) + return -ENODEV; + + fsl_dev->encoder.bridge = bridge; + bridge->encoder = &fsl_dev->encoder;
- return -ENODEV; + return drm_bridge_attach(fsl_dev->drm, bridge); }
int fsl_dcu_create_outputs(struct fsl_dcu_drm_device *fsl_dev)