[Nouveau] [Bug 95031] [NVE4] 660 Ti Random GPU lockups

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95031

--- Comment #4 from Lucas Ribeiro <lucasout at gmail.com> ---
OK, some interesting findings.

07 pstate on Linux has:
core 324 MHz memory 648 MHz AC DC
GPU core:     +0.99 V
Increasing GPU core voltage to 1.09V has wielded a stable system so far.

On Windows, the idle state has (checked with gpu-z):
core 324 MHz memory 162MHz
GPU core voltage: 0.99V
It has never managed to hang.

So maybe 07 pstate on Linux has a memory clock too high for its voltage. Also,
as it is the lowest pstate, maybe memory clock could be reduced further to
162MHz (as in Windows).

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