cb142a14b lib/kms: use CRTC index for __igt_output_crtc_populate()
5222ea10f lib/kms: refactor for_each_crtc_with_single_output() to avoid igt_crtc_for_pipe()
2b14cd21a lib/kms: don't special case igt_get_single_output_for_crtc() implementation