Change Account settings name automaticly

Hello,
I’m looking for to change name in account settings.
I use a ldap connexion.
By default name is uid. I want to change this configuration to name=displayName.

I tried this config:
It’s doesn’t work.
Tank’s for your help!
gitlab_rails[‘ldap_enabled’]=true
gitlab_rails[‘ldap_servers’]={
‘main’=>{
‘label’=>‘LDAP’,
‘host’=>‘xx.xx.xx.xx’,
‘port’=>‘389’,
‘uid’=>‘mail’,
‘bind_dn’=>‘cn=GITLAB,ou=Applications,dc=ppol,dc=mi’,
‘password’=>‘gitlab’,
‘encryption’=>‘plain’,
‘verify_certificates’=>false,
‘active_directory’=>false,
‘allow_username_or_email_login’=>false,
‘lowercase_usernames’=>true,
‘block_auto_created_users’=>false,
‘base’=>‘dc=ppol,dc=mi’,
‘attributes’=>{
‘username’=>‘displayName’,
‘email’=>‘mail’,
‘name’=>‘displayName’,
‘first_name’=>‘givenName’,
‘last_name’=>‘sn’
}
}
}