diff options
| -rw-r--r-- | drivers/gpu/drm/display/drm_bridge_connector.c | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c index a5bdd6c10643..95ccf8652712 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -618,6 +618,20 @@ static const struct drm_connector_hdmi_cec_funcs drm_bridge_connector_hdmi_cec_f * Bridge Connector Initialisation */ +static void drm_bridge_connector_put_bridges(struct drm_device *dev, void *data) +{ + struct drm_bridge_connector *bridge_connector = (struct drm_bridge_connector *)data; + + drm_bridge_put(bridge_connector->bridge_edid); + drm_bridge_put(bridge_connector->bridge_hpd); + drm_bridge_put(bridge_connector->bridge_detect); + drm_bridge_put(bridge_connector->bridge_modes); + drm_bridge_put(bridge_connector->bridge_hdmi); + drm_bridge_put(bridge_connector->bridge_hdmi_audio); + drm_bridge_put(bridge_connector->bridge_dp_audio); + drm_bridge_put(bridge_connector->bridge_hdmi_cec); +} + /** * drm_bridge_connector_init - Initialise a connector for a chain of bridges * @drm: the DRM device @@ -649,6 +663,10 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, if (!bridge_connector) return ERR_PTR(-ENOMEM); + ret = drmm_add_action(drm, drm_bridge_connector_put_bridges, bridge_connector); + if (ret) + return ERR_PTR(ret); + bridge_connector->encoder = encoder; /* @@ -672,14 +690,22 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, if (!bridge->ycbcr_420_allowed) connector->ycbcr_420_allowed = false; - if (bridge->ops & DRM_BRIDGE_OP_EDID) - bridge_connector->bridge_edid = bridge; - if (bridge->ops & DRM_BRIDGE_OP_HPD) - bridge_connector->bridge_hpd = bridge; - if (bridge->ops & DRM_BRIDGE_OP_DETECT) - bridge_connector->bridge_detect = bridge; - if (bridge->ops & DRM_BRIDGE_OP_MODES) - bridge_connector->bridge_modes = bridge; + if (bridge->ops & DRM_BRIDGE_OP_EDID) { + drm_bridge_put(bridge_connector->bridge_edid); + bridge_connector->bridge_edid = drm_bridge_get(bridge); + } + if (bridge->ops & DRM_BRIDGE_OP_HPD) { + drm_bridge_put(bridge_connector->bridge_hpd); + bridge_connector->bridge_hpd = drm_bridge_get(bridge); + } + if (bridge->ops & DRM_BRIDGE_OP_DETECT) { + drm_bridge_put(bridge_connector->bridge_detect); + bridge_connector->bridge_detect = drm_bridge_get(bridge); + } + if (bridge->ops & DRM_BRIDGE_OP_MODES) { + drm_bridge_put(bridge_connector->bridge_modes); + bridge_connector->bridge_modes = drm_bridge_get(bridge); + } if (bridge->ops & DRM_BRIDGE_OP_HDMI) { if (bridge_connector->bridge_hdmi) return ERR_PTR(-EBUSY); @@ -687,7 +713,7 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, !bridge->funcs->hdmi_clear_infoframe) return ERR_PTR(-EINVAL); - bridge_connector->bridge_hdmi = bridge; + bridge_connector->bridge_hdmi = drm_bridge_get(bridge); if (bridge->supported_formats) supported_formats = bridge->supported_formats; @@ -710,7 +736,7 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, !bridge->funcs->hdmi_audio_shutdown) return ERR_PTR(-EINVAL); - bridge_connector->bridge_hdmi_audio = bridge; + bridge_connector->bridge_hdmi_audio = drm_bridge_get(bridge); } if (bridge->ops & DRM_BRIDGE_OP_DP_AUDIO) { @@ -728,21 +754,21 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, !bridge->funcs->dp_audio_shutdown) return ERR_PTR(-EINVAL); - bridge_connector->bridge_dp_audio = bridge; + bridge_connector->bridge_dp_audio = drm_bridge_get(bridge); } if (bridge->ops & DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER) { if (bridge_connector->bridge_hdmi_cec) return ERR_PTR(-EBUSY); - bridge_connector->bridge_hdmi_cec = bridge; + bridge_connector->bridge_hdmi_cec = drm_bridge_get(bridge); } if (bridge->ops & DRM_BRIDGE_OP_HDMI_CEC_ADAPTER) { if (bridge_connector->bridge_hdmi_cec) return ERR_PTR(-EBUSY); - bridge_connector->bridge_hdmi_cec = bridge; + bridge_connector->bridge_hdmi_cec = drm_bridge_get(bridge); if (!bridge->funcs->hdmi_cec_enable || !bridge->funcs->hdmi_cec_log_addr || |