[Nouveau] [Bug 30370] Nouveau module crashes with "divide error"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30370

--- Comment #4 from Emil Velikov <eeydev at nottingham.ac.uk> 2010-09-26 10:57:37 PDT ---
The problem is a combined issue of two things

1. The original nv50 and nv98 use a pll_limits table v2.1 which has a default
pll_limits entry (reg == 0)

Note: The same revision of the pll table is being used on a range of nv4x
cards, where the some pll's are not present in the table, thus the default
entry's setting are being used 

2. The different cards have different UNK plls, that somewhat need to be setup
(their exact purpose is currently unknown but the vbios has values for them,
that appear to be used)

The above patch is a quick and easy solution, although actual check if the pll
has to be setup on the specific card, should be implemented

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