@@ -72,7 +72,7 @@ int drm_encoder_register_all(struct drm_device *dev)
int ret = 0;
drm_for_each_encoder(encoder, dev) {
- if (encoder->funcs->late_register)
+ if (encoder->funcs && encoder->funcs->late_register)
ret = encoder->funcs->late_register(encoder);
if (ret)
return ret;
@@ -86,7 +86,7 @@ void drm_encoder_unregister_all(struct drm_device *dev)
struct drm_encoder *encoder;
drm_for_each_encoder(encoder, dev) {
- if (encoder->funcs->early_unregister)
+ if (encoder->funcs && encoder->funcs->early_unregister)
encoder->funcs->early_unregister(encoder);
}
}
@@ -195,7 +195,7 @@ void drm_mode_config_reset(struct drm_device *dev)
crtc->funcs->reset(crtc);
drm_for_each_encoder(encoder, dev)
- if (encoder->funcs->reset)
+ if (encoder->funcs && encoder->funcs->reset)
encoder->funcs->reset(encoder);
drm_connector_list_iter_begin(dev, &conn_iter);
@@ -89,7 +89,7 @@ struct drm_encoder_funcs {
* @head: list management
* @base: base KMS object
* @name: human readable name, can be overwritten by the driver
- * @funcs: control functions
+ * @funcs: control functions, can be NULL for simple managed encoders
* @helper_private: mid-layer private data
*
* CRTCs drive pixels to encoders, which convert them into signals