Bug report

Bug summary

kwargs passed to tight layout do not have an effect if rc the figure.autolayout setting is set

Code for reproduction

No padding is inserted in the following example if figure.autolayout is set to True in the rc

import matplotlib.pyplot as plt
fig, axes = plt.subplots(ncols=2)
fig.tight_layout(w_pad=10)

Matplotlib version

Tested with a conda installed Matplotlib 1.5.3 on Ubuntu Linux.