diff options
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 00e40a26a800..3d48ad1c3682 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -850,7 +850,7 @@ static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = { DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = { - { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ + { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I, TV-out and DP */ { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ }; @@ -867,7 +867,7 @@ static const struct drm_prop_enum_list drm_tv_select_enum_list[] = { DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { - { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ + { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I, TV-out and DP */ { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ @@ -876,6 +876,19 @@ static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = { DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, drm_tv_subconnector_enum_list) +static const struct drm_prop_enum_list drm_dp_subconnector_enum_list[] = { + { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I, TV-out and DP */ + { DRM_MODE_SUBCONNECTOR_VGA, "VGA" }, /* DP */ + { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DP */ + { DRM_MODE_SUBCONNECTOR_HDMIA, "HDMI" }, /* DP */ + { DRM_MODE_SUBCONNECTOR_DisplayPort, "DP" }, /* DP */ + { DRM_MODE_SUBCONNECTOR_Wireless, "Wireless" }, /* DP */ + { DRM_MODE_SUBCONNECTOR_Native, "Native" }, /* DP */ +}; + +DRM_ENUM_NAME_FN(drm_get_dp_subconnector_name, + drm_dp_subconnector_enum_list) + static const struct drm_prop_enum_list hdmi_colorspaces[] = { /* For Default case, driver will set the colorspace */ { DRM_MODE_COLORIMETRY_DEFAULT, "Default" }, @@ -1217,6 +1230,14 @@ static const struct drm_prop_enum_list dp_colorspaces[] = { * can also expose this property to external outputs, in which case they * must support "None", which should be the default (since external screens * have a built-in scaler). + * + * subconnector: + * This property is used by DVI-I, TVout and DisplayPort to indicate different + * connector subtypes. Enum values more or less match with those from main + * connector types. + * For DVI-I and TVout there is also a matching property "select subconnector" + * allowing to switch between signal types. + * DP subconnector corresponds to a downstream port. */ int drm_connector_create_standard_properties(struct drm_device *dev) @@ -1306,6 +1327,30 @@ int drm_mode_create_dvi_i_properties(struct drm_device *dev) EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); /** + * drm_connector_attach_dp_subconnector_property - create subconnector property for DP + * @connector: drm_connector to attach property + * + * Called by a driver when DP connector is created. + */ +void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector) +{ + struct drm_mode_config *mode_config = &connector->dev->mode_config; + + if (!mode_config->dp_subconnector_property) + mode_config->dp_subconnector_property = + drm_property_create_enum(connector->dev, + DRM_MODE_PROP_IMMUTABLE, + "subconnector", + drm_dp_subconnector_enum_list, + ARRAY_SIZE(drm_dp_subconnector_enum_list)); + + drm_object_attach_property(&connector->base, + mode_config->dp_subconnector_property, + DRM_MODE_SUBCONNECTOR_Unknown); +} +EXPORT_SYMBOL(drm_connector_attach_dp_subconnector_property); + +/** * DOC: HDMI connector properties * * content type (HDMI specific): |