PF_FILTER_MED_3x3 5660 drivers/gpu/drm/i915/display/intel_display.c I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | PF_FILTER_MED_3x3 5663 drivers/gpu/drm/i915/display/intel_display.c I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);