PHP Textarea line break

Hi i have this code in wordpress plugin,

<div class="column one-half">
    <label><?php _e('Sub Title','dt_themes');?></label>
</div>
<div class="column one-half last">
    <?php $v = array_key_exists("subtitle", $catalog_settings) ?  $catalog_settings['subtitle'] : '';?>
    <textarea id="subtitle" name="_subtitle" class="large" rows="3" style="width:100%;"><?php echo $v; ?></textarea>
    <p class="note"> <?php _e("You can given your sub title",'dt_themes');?> </p>
</div>

I am not able to make line break in text area while inputting text. Please help

via Chebli Mohamed