[Nouveau] [Bug 55449] Problems identifying card

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55449

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
OK, so the fundamental problem is that it's being detected as a NV30 card
instead of NV15 due to a lack of byteswapping when reading in the the PMC.ID
register (which should have come out as 0x015000a3). Once that goes wrong, all
bets are off.

I know that another user was pretty close to getting a NV4x card to work (benh,
the ppc maintainer), which would largely go through the same init paths (at
least as far as mmio reads/writes are concerned). Could you test a more recent
kernel (like 3.10 or 3.11) and see if this particular issue is still there?

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