read_fw            52 drivers/gpu/drm/i915/gt/intel_engine.h #define ENGINE_READ_FW(...)	__ENGINE_READ_OP(read_fw, __VA_ARGS__)
read_fw          2468 drivers/gpu/drm/i915/i915_drv.h #define I915_READ_FW(reg__) __I915_REG_OP(read_fw, dev_priv, (reg__))