gpu_read_power
val = gpu_read_power(gpu, VIVS_PM_POWER_CONTROLS);
val = gpu_read_power(gpu, VIVS_PM_POWER_CONTROLS);
ppc = gpu_read_power(gpu, VIVS_PM_POWER_CONTROLS);
pmc = gpu_read_power(gpu, VIVS_PM_MODULE_CONTROLS);
pulse_eater = gpu_read_power(gpu, VIVS_PM_PULSE_EATER);