Intel Graphics With Linux 6.6 Adds Tuning Knobs That Can Yield 10~15% Better Performance
With new i915 driver code ready for the upcoming Linux 6.6, new threshold tuning around the RPS (cited as both Render P-States and Requested Power States) for some Intel graphics hardware and in some games can yield around a 10~15% boost to performance.
Source: phoronix.com