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@xxxxxxx>
---
Changes since V1:
-no change
---
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
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 2e71f4b..e875b4e 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;
@@ -201,7 +202,17 @@ static int fsl_dcu_attach_endpoint(struct fsl_dcu_drm_device *fsl_dev,
return ret;
}
- return -ENODEV;
+ 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);
+
+ return ret;
}
int fsl_dcu_create_outputs(struct fsl_dcu_drm_device *fsl_dev)
--
2.1.0.27.g96db324
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