RENCLK_GATE_D1
intel_uncore_write(&i915->uncore, RENCLK_GATE_D1, 0);
intel_uncore_write(uncore, RENCLK_GATE_D1, I965_RCC_CLOCK_GATE_DISABLE);
intel_uncore_write(&i915->uncore, RENCLK_GATE_D1, I965_RCZ_CLOCK_GATE_DISABLE |
intel_uncore_write(&i915->uncore, RENCLK_GATE_D1, SV_CLOCK_GATE_DISABLE);