Hi Emil, thanks. Behavior is unchanged with new kernels. I've tested
through nouveau commit:

commit 9a0a03b43176ee676693232f2afe92b83b15233e
Author: Roy Spliet <r.spl...@student.tudelft.nl>
Date:   Tue Feb 7 00:29:06 2012 +0100

    drm/nouveau/pm: several fixes for nvc0 memory timings

and 3.3.0-rc2 (actually the above is on top of)
which contains a0b2563

commit 62aa2b537c6f5957afd98e29f96897419ed5ebab
Author: Linus Torvalds <torva...@linux-foundation.org>
Date:   Tue Jan 31 13:31:54 2012 -0800

    Linux 3.3-rc2

with no change, from that patch or any other.

in fact nvapeek (nouveau git with 3.3.0-rc2) shows:
before suspend:
0000e100: 001c1100
0000e28c: 00000100
0000e104: 72266640 0441474b
0000e280: 44444747 00000000

after:
0000e100: 001c1100
0000e28c: 00000100
0000e104: 72266240 0441474b
0000e280: 44444747 00000000

the only difference I see is e104 bit 10 being set before, and not
after.

NOTE: I have the exact same laptop as Walther.

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https://bugs.launchpad.net/bugs/921321

Title:
  nouveau: dark screen after suspend/resume

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