diff options
Diffstat (limited to 'drivers/gpu/drm/display/drm_bridge_connector.c')
| -rw-r--r-- | drivers/gpu/drm/display/drm_bridge_connector.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c index 381a0f9d4259..0377dcd691a8 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -20,6 +20,7 @@ #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/display/drm_hdmi_audio_helper.h> +#include <drm/display/drm_hdmi_cec_helper.h> #include <drm/display/drm_hdmi_helper.h> #include <drm/display/drm_hdmi_state_helper.h> @@ -113,6 +114,13 @@ struct drm_bridge_connector { * &DRM_BRIDGE_OP_DP_AUDIO). */ struct drm_bridge *bridge_dp_audio; + /** + * @bridge_hdmi_cec: + * + * The bridge in the chain that implements CEC support, if any (see + * DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER). + */ + struct drm_bridge *bridge_hdmi_cec; }; #define to_drm_bridge_connector(x) \ @@ -662,6 +670,13 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, bridge_connector->bridge_dp_audio = 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; + } + if (!drm_bridge_get_next_bridge(bridge)) connector_type = bridge->type; @@ -724,6 +739,15 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm, return ERR_PTR(ret); } + if (bridge_connector->bridge_hdmi_cec && + bridge_connector->bridge_hdmi_cec->ops & DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER) { + ret = drmm_connector_hdmi_cec_notifier_register(connector, + NULL, + bridge->hdmi_cec_dev); + if (ret) + return ERR_PTR(ret); + } + drm_connector_helper_add(connector, &drm_bridge_connector_helper_funcs); if (bridge_connector->bridge_hpd) |