RENCLK_GATE_D2
intel_uncore_write(&i915->uncore, RENCLK_GATE_D2, VF_UNIT_CLOCK_GATE_DISABLE |
intel_uncore_write(uncore, RENCLK_GATE_D2, 0);
intel_uncore_write(&i915->uncore, RENCLK_GATE_D2, 0);