RAMCLK_GATE_D
regs->cdv.saveRAMCLK_GATE_D = REG_READ(RAMCLK_GATE_D);
REG_WRITE(RAMCLK_GATE_D, regs->cdv.saveRAMCLK_GATE_D);
intel_uncore_write(&i915->uncore, RAMCLK_GATE_D, 0);
intel_uncore_write(uncore, RAMCLK_GATE_D, 0);