[Nouveau] [Bug 59168] [nvc1/Quardro1000M|nvc3/Quadro2000M] graphic garbage/corruption/noise on resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59168

--- Comment #42 from Laurence Lee <rubyjedi at gmail.com> ---
Created attachment 94996
  --> https://bugs.freedesktop.org/attachment.cgi?id=94996&action=edit
Remove NVDEV_ENGINE_COPY1 from GF116 to mirror GF106

Since Michael Weirauch reports this issue has been resolved for his card (0xc3,
according to his dmesg uploads), and the issue remains on Doug Brunner and my
card (0xcf), and that both cards once used the same code-base and functioned
correctly in the Linux 3.4 Kernels, I went on a hunch.

By changing the 0xc3 definition to 0xcf (forcing my card to be recognized as a
GF106), I was able to reproduce Michael's suspend/resume success with my own
card.

Having discovered that THAT works, it became a mission to figure out what was
different between the 0xc3 (GF106, working) and 0xcf (GF116, non-working).

By removing the declaration of NVDEV_ENGINE_COPY1 from the 0xcf case, as this
patch does, the suspend/resume issue no longer affects my card.

I have submitted this patch for your review, and sincerely hope it is accepted.
Thanks!

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