# Enable power-saving display c-states (0=disable; 1=up to DC5; 2=up to DC6) compat.linuxkpi.i915_enable_dc=2 # Enable frame buffer compression which allegedly saves power compat.linuxkpi.i915_enable_fbc=1 # Skip extra modesets during boot compat.linuxkpi.i915_fastboot=1 # Disable display power wells (0=power wells always on, 1=power wells disabled when possible) compat.linuxkpi.i915_disable_power_well=1 # Reduce interrupt rate to make it more likely that a C3 sleep state can be hit. Should make the CPU wake up less often. kern.hz=100