intel_step_name
step != STEP_NONE ? intel_step_name(step) : "N/A");
drm_printf(p, "display stepping: %s\n", intel_step_name(runtime->step));
const char *step_name = intel_step_name(INTEL_DISPLAY_STEP(display));
drm_printf(p, "graphics stepping: %s\n", intel_step_name(runtime->step.graphics_step));
drm_printf(p, "media stepping: %s\n", intel_step_name(runtime->step.media_step));
const char *intel_step_name(enum intel_step step);