FBC_CTL_INTERVAL_SHIFT  154 drivers/gpu/drm/i915/display/intel_fbc.c 	fbc_ctl &= 0x3fff << FBC_CTL_INTERVAL_SHIFT;
FBC_CTL_INTERVAL_SHIFT 1336 drivers/gpu/drm/i915/display/intel_fbc.c 		I915_WRITE(FBC_CONTROL, 500 << FBC_CTL_INTERVAL_SHIFT);