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 in V2: -no change --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
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 b23cc58..b1a2490 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c @@ -189,6 +189,7 @@ 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;
@@ -200,8 +201,21 @@ static int fsl_dcu_attach_endpoint(struct fsl_dcu_drm_device *fsl_dev, ret = fsl_dcu_attach_panel(fsl_dev, fsl_dev->connector.panel); if (ret) return ret; + return 0; }
+ bridge = of_drm_find_bridge(np); + of_node_put(np); + if (!bridge) + return -ENODEV; + + fsl_dev->encoder.bridge = bridge; + bridge->encoder = &fsl_dev->encoder; + + ret = drm_bridge_attach(fsl_dev->drm, bridge); + if (ret) + return -EPROBE_DEFER; + return 0; }