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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Problems identifying card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55449#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Problems identifying card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=55449">bug 55449</a>
from <span class="vcard"><a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> <span class="fn">Ilia Mirkin</span></a>
</span></b>
<pre>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?</pre>
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