Your manager plays lesser a role in a promotion than the corporate culture itself. Its their job to get the most out of you and some will lie their asses off to that end.

If there are clearly people being promoted and you want to be one of them. Make it known. If you want a raise, make it known. Its not uncommon to see people who may be lesser qualified and less hard working be the ones who get promoted solely due to them making their desire to move forward known.

Think of it this way. If you make sure they are aware of what you want. And they can answer you on what it would take for you to get there, you are no longer working your ass off hoping someone notices. You are focused on te he things they said you need to do for the promotion. Keep record, track it. And bring it to them every so often.