painting over Rl suede

You shouldn't have to prime so far as adhesion is concerned. The problem is going to be the texture will show through the paint. Did you sand it first?

yea i figured the texture was going to show through and i will give the wall a light pole sand...i told the customer about the texture coming through and they are okay with that cause i told them it would be alot of extra $ for me to spackle and make the walls normal again...i was just a little concerned about the chalky texture of the suede paint..and it is also dark brown suede color

I have painted over a few over the years and the ones I primed with a good primer looked better. You could tint the primer close to the top coat if coverage and multiple coat becomes an issue.

Just be careful, do your "light" sanding a little "harder" as the spheres in the RL will be disturbed and can cause a complete nightmare when doing the repaint. Also clean your brush periodically to avoid the spherical build up of any loosened RL product.