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authorIngo Molnar <mingo@kernel.org>2018-04-05 09:20:34 +0200
committerIngo Molnar <mingo@kernel.org>2018-04-05 09:20:34 +0200
commitea2a6af517714c52a1209795a03e863e96b460bb (patch)
tree3bd443bc9b23ceeaf3743eaf2d6d35ec63c620c9 /drivers/gpu/drm/tilcdc/tilcdc_external.c
parent1b5d43cfb69759d8ef8d30469cea31d0c037aed5 (diff)
parent642e7fd23353e22290e3d51719fcb658dc252342 (diff)
downloadtalos-obmc-linux-ea2a6af517714c52a1209795a03e863e96b460bb.tar.gz
talos-obmc-linux-ea2a6af517714c52a1209795a03e863e96b460bb.zip
Merge branch 'linus' into sched/urgent, to pick up fixes and updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_external.c')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_external.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c
index 711c7b3289d3..d651bdd6597e 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_external.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c
@@ -188,18 +188,16 @@ int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge)
int tilcdc_attach_external_device(struct drm_device *ddev)
{
struct tilcdc_drm_private *priv = ddev->dev_private;
- struct device_node *remote_node;
struct drm_bridge *bridge;
+ struct drm_panel *panel;
int ret;
- remote_node = of_graph_get_remote_node(ddev->dev->of_node, 0, 0);
- if (!remote_node)
+ ret = drm_of_find_panel_or_bridge(ddev->dev->of_node, 0, 0,
+ &panel, &bridge);
+ if (ret == -ENODEV)
return 0;
-
- bridge = of_drm_find_bridge(remote_node);
- of_node_put(remote_node);
- if (!bridge)
- return -EPROBE_DEFER;
+ else if (ret)
+ return ret;
priv->external_encoder = devm_kzalloc(ddev->dev,
sizeof(*priv->external_encoder),
@@ -215,10 +213,23 @@ int tilcdc_attach_external_device(struct drm_device *ddev)
return ret;
}
+ if (panel) {
+ bridge = devm_drm_panel_bridge_add(ddev->dev, panel,
+ DRM_MODE_CONNECTOR_DPI);
+ if (IS_ERR(bridge)) {
+ ret = PTR_ERR(bridge);
+ goto err_encoder_cleanup;
+ }
+ }
+
ret = tilcdc_attach_bridge(ddev, bridge);
if (ret)
- drm_encoder_cleanup(priv->external_encoder);
+ goto err_encoder_cleanup;
+
+ return 0;
+err_encoder_cleanup:
+ drm_encoder_cleanup(priv->external_encoder);
return ret;
}
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