diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c index 921185133d38..e73e1742b250 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c @@ -23,6 +23,7 @@ struct mdp4_lvds_connector { struct drm_connector base; struct drm_encoder *encoder; + struct device_node *panel_node; struct drm_panel *panel; }; #define to_mdp4_lvds_connector(x) container_of(x, struct mdp4_lvds_connector, base) @@ -33,6 +34,10 @@ static enum drm_connector_status mdp4_lvds_connector_detect( struct mdp4_lvds_connector *mdp4_lvds_connector = to_mdp4_lvds_connector(connector); + if (!mdp4_lvds_connector->panel) + mdp4_lvds_connector->panel = + of_drm_find_panel(mdp4_lvds_connector->panel_node); + return mdp4_lvds_connector->panel ? connector_status_connected : connector_status_disconnected; @@ -42,10 +47,6 @@ static void mdp4_lvds_connector_destroy(struct drm_connector *connector) { struct mdp4_lvds_connector *mdp4_lvds_connector = to_mdp4_lvds_connector(connector); - struct drm_panel *panel = mdp4_lvds_connector->panel; - - if (panel) - drm_panel_detach(panel); drm_connector_unregister(connector); drm_connector_cleanup(connector); @@ -60,9 +61,14 @@ static int mdp4_lvds_connector_get_modes(struct drm_connector *connector) struct drm_panel *panel = mdp4_lvds_connector->panel; int ret = 0; - if (panel) + if (panel) { + drm_panel_attach(panel, connector); + ret = panel->funcs->get_modes(panel); + drm_panel_detach(panel); + } + return ret; } @@ -111,7 +117,7 @@ static const struct drm_connector_helper_funcs mdp4_lvds_connector_helper_funcs /* initialize connector */ struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev, - struct drm_panel *panel, struct drm_encoder *encoder) + struct device_node *panel_node, struct drm_encoder *encoder) { struct drm_connector *connector = NULL; struct mdp4_lvds_connector *mdp4_lvds_connector; @@ -124,7 +130,7 @@ struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev, } mdp4_lvds_connector->encoder = encoder; - mdp4_lvds_connector->panel = panel; + mdp4_lvds_connector->panel_node = panel_node; connector = &mdp4_lvds_connector->base; @@ -141,9 +147,6 @@ struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev, drm_mode_connector_attach_encoder(connector, encoder); - if (panel) - drm_panel_attach(panel, connector); - return connector; fail: |