Yea, it turns out I was only off by one: I'm now 99% sure the bug was introduced in
# bad: [ebb177d2afb8532a8a316489aed545ed0c170802] drm/edid: fixup detailed timings like the X server.
Yea, it turns out I was only off by one: I'm now 99% sure the bug was introduced in
# bad: [ebb177d2afb853 2a8a316489aed54 5ed0c170802] drm/edid: fixup detailed timings like the X server.