[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 #46 from Laurence Lee <rubyjedi at gmail.com> ---
Thanks for the command-line tip, that does indeed have the desired effect on
standard-built Fedora kernels, and is much better than setting
nouveau.noaccel=1 (which, when activated, is now leading to some font-rendering
glitches).

Actually, it does kind of make sense that an invalid copy engine would cause
screen garbage to be displayed, and that this would be triggered by the rapid
screen repainting that happens on Resume.

I'll leave it up to more knowledgeable minds whether to act upon this patch or
not; but it's worth noting that only 4 other devices out of the 9 declared in
nvc0.c have an entry for a secondary, "COPY1" engine -- the GF100, GF104,
GF110, and GF114.

I'm just thankful to have a usable solution on my rig in the meantime. Thanks!

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