Changing clock frequencies dynamically is supported on the AXI4-Stream. This allows you to dynamically change the AXI4-Stream clocks (m_axis_mm2s_aclk and s_axis_s2mm_clk). Dynamic frequency changes of m_axi_mm2s_aclk, m_axi_s2mm_aclk and s_axi_lite_aclk are not supported.