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| author | Sean Paul <seanpaul@chromium.org> | 2018-03-21 09:40:55 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2018-03-21 09:40:55 -0400 |
| commit | 1c7095d2836baafd84e596dd34ba1a1293a4faa9 (patch) | |
| tree | 498f529809b9c0a3c75c8b8bb1098ed4f71233db /drivers/gpu/drm/tilcdc/tilcdc_external.c | |
| parent | 2793c1d77aa8876e5674e901d051c79570e99db2 (diff) | |
| parent | 78230c46ec0a91dd4256c9e54934b3c7095a7ee3 (diff) | |
| download | linux-1c7095d2836baafd84e596dd34ba1a1293a4faa9.tar.gz linux-1c7095d2836baafd84e596dd34ba1a1293a4faa9.tar.bz2 linux-1c7095d2836baafd84e596dd34ba1a1293a4faa9.zip | |
Merge airlied/drm-next into drm-misc-next
Refresh -misc-next
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_external.c')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_external.c | 29 |
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; } |