[Nouveau] [Bug 88272] [NVAC] Flickering screen on 1920x1080 monitor with 9400M in MacbookPro 5, 5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88272

--- Comment #4 from Pierre Moreau <pierre.morrow at free.fr> ---
I managed to solve the other bug (notice how quick it was... --"), so back to
this one. :)

There was a regression that happened between 4.2 and current HEAD, so I'm
tracking it down but I should have it by tomorrow. Otherwise, running 4.2 or
3.19, I experience something else than what I reported in my last comment.

Using a mDP -> HDMI (I'm not sure whether this one is active or not; I have
both, so I could try both):
- Desktop displays fine, even while running glxgears on levels 05 to 0f;
- Weird display on level 03 but I guess some clock is just too low, as even the
blob uses at least level 05 or even 0e;
- LVDS screen starts flickering after turning off the external screen using
`xrandr --output DP-2 --off`.

Using a mDP -> VGA:
- Screen receives a signal but stays blank.

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