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Commit c4a304d3 authored by Meng Yi's avatar Meng Yi Committed by Stefan Agner
Browse files

drm/fsl-dcu: add support for drm bridge 



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: default avatarMeng Yi <meng.yi@nxp.com>
Signed-off-by: default avatarStefan Agner <stefan@agner.ch>
parent 924591b1

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c

+13 −3
Original line number Diff line number Diff line
@@ -180,16 +180,26 @@ static int fsl_dcu_attach_panel(struct fsl_dcu_drm_device *fsl_dev, 
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;



	np = of_graph_get_remote_port_parent(ep->local_node);



	fsl_dev->connector.panel = of_drm_find_panel(np);

	if (fsl_dev->connector.panel) {

		of_node_put(np);

	if (fsl_dev->connector.panel)

		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 drm_bridge_attach(fsl_dev->drm, bridge);

}



int fsl_dcu_create_outputs(struct fsl_dcu_drm_device *fsl_dev)