diff options
Diffstat (limited to 'linux-core/drm_crtc.c')
| -rw-r--r-- | linux-core/drm_crtc.c | 75 |
1 files changed, 72 insertions, 3 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index fc8d1fe8..91bff1f6 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -60,6 +60,26 @@ char *drm_get_dpms_name(int val) return "unknown"; } +/* + * Optional properties + */ +static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = +{ + { DRM_MODE_SCALE_NON_GPU, "Non-GPU" }, + { DRM_MODE_SCALE_FULLSCREEN, "Fullscreen" }, + { DRM_MODE_SCALE_NO_SCALE, "No scale" }, + { DRM_MODE_SCALE_ASPECT, "Aspect" }, +}; + +static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = +{ + { DRM_MODE_DITHERING_OFF, "Off" }, + { DRM_MODE_DITHERING_ON, "On" }, +}; + +/* + * Non-global properties, but "required" for certain connectors. + */ static struct drm_prop_enum_list drm_select_subconnector_enum_list[] = { { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ @@ -102,6 +122,9 @@ char *drm_get_subconnector_name(int val) return "unknown"; } +/* + * Connector and encoder types. + */ static struct drm_prop_enum_list drm_connector_enum_list[] = { { DRM_MODE_CONNECTOR_Unknown, "Unknown" }, { DRM_MODE_CONNECTOR_VGA, "VGA" }, @@ -647,6 +670,52 @@ int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, EXPORT_SYMBOL(drm_mode_create_tv_properties); /** + * drm_mode_create_scaling_mode_property - create scaling mode property + * @dev: DRM device + * + * Called by a driver the first time it's needed, must be attached to desired connectors. + */ +int drm_mode_create_scaling_mode_property(struct drm_device *dev) +{ + int i; + + if (dev->mode_config.scaling_mode_property) /* already done */ + return 0; + + dev->mode_config.scaling_mode_property = + drm_property_create(dev, DRM_MODE_PROP_ENUM, + "scaling mode", ARRAY_SIZE(drm_scaling_mode_enum_list)); + for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) + drm_property_add_enum(dev->mode_config.scaling_mode_property, i, drm_scaling_mode_enum_list[i].type, drm_scaling_mode_enum_list[i].name); + + return 0; +} +EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); + +/** + * drm_mode_create_dithering_property - create dithering property + * @dev: DRM device + * + * Called by a driver the first time it's needed, must be attached to desired connectors. + */ +int drm_mode_create_dithering_property(struct drm_device *dev) +{ + int i; + + if (dev->mode_config.dithering_mode_property) /* already done */ + return 0; + + dev->mode_config.dithering_mode_property = + drm_property_create(dev, DRM_MODE_PROP_ENUM, + "dithering", ARRAY_SIZE(drm_dithering_mode_enum_list)); + for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) + drm_property_add_enum(dev->mode_config.dithering_mode_property, i, drm_dithering_mode_enum_list[i].type, drm_dithering_mode_enum_list[i].name); + + return 0; +} +EXPORT_SYMBOL(drm_mode_create_dithering_property); + +/** * drm_mode_config_init - initialize DRM mode_configuration structure * @dev: DRM device * @@ -2115,12 +2184,12 @@ int drm_mode_connector_property_set_ioctl(struct drm_device *dev, } } - /* store the property value */ - drm_connector_property_set_value(connector, property, out_resp->value); - if (connector->funcs->set_property) ret = connector->funcs->set_property(connector, property, out_resp->value); + /* store the property value if succesful */ + if (!ret) + drm_connector_property_set_value(connector, property, out_resp->value); out: mutex_unlock(&dev->mode_config.mutex); return ret; |