dc0445d49 lib/kms: use CRTC index for __igt_output_crtc_populate()
4736acaec lib/kms: refactor for_each_crtc_with_single_output() to avoid igt_crtc_for_pipe()
b47c19191 lib/kms: don't special case igt_get_single_output_for_crtc() implementation