Gernam Chocolate Upside-down cake

1 german chocolate cake mix made up per box directions
1 c pecans
1 c coconut
8 oz cream cheese
1 c melted butter
2 c powdered sugar

Preheat oven to 350. Grease and flour a 9x13 pan. Mix cream cheese, butter and powdered sugar together, set aside. Sprinkle pecans and coconut in greased 9x13 pan. pour cake mix over top. Spoon cream cheese mixture on top of batter leaving about 1" around the edges. Bake about 1 hour or until cake doesn't jiggle.