 - notify the sbios of a GPU switch  *  * @atpx: atpx info struct  * @mux_id: mux state (0 = integrated GPU, 0 = discrete GPU)  *  * Execute the ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION ATPX  * function to notify the sbios that a switch between the discrete GPU and  * integrated GPU has 