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From: Andreas Seltenreich <s_selten@informatik.uni-karlsruhe.de>
To: Petr Vandrovec <VANDROVE@vc.cvut.cz>
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] Re: partial success with matroxfb
Date: Fri, 20 Sep 2002 18:59:03 +0200	[thread overview]
Message-ID: <20020920165902.GC22068@gate450.dyndns.org> (raw)
In-Reply-To: <257F2C27A66@vcnet.vc.cvut.cz>

* Petr Vandrovec <VANDROVE@vc.cvut.cz> [2002-09-20 18:12]:
> Can you verify (with lspci -xxx) that PCI dword register 0x40 in
> matroxfb
> configuration space has not set bit 8 (it is lowest bit in register
> 0x41). 0=>disable legacy VGA, 1=>enable legacy VGA. Old Millennium I
> always responded to framebuffer accesses, and it was fixed in
> Millennium II.
> I thought that it was fixed in Mystique too. You can fix it with
> setpci, if matroxfb gets it wrong.

apparently it is set:
40: 00 01 00 5f 00 00 00 00 ff ff ff ff 00 00 00 00

If I modporbe it without setting it, the bit keeps set:
40: 21 4f 09 df 00 3c 00 00 06 ff ff 06 00 00 00 00

after manually setting it to 0 and modprobing matroxfb it kept the zero:
40: 21 4e 09 df 00 3c 00 00 10 ff ff 10 00 00 00 00

but the crash still occured.

> Strange. Stalls it for 5 seconds here, or goes it through immediately?

I can't notice any delay when it passes the second time.

regards
andreas

  reply	other threads:[~2002-09-20 16:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-20 16:10 [parisc-linux] Re: partial success with matroxfb Petr Vandrovec
2002-09-20 16:59 ` Andreas Seltenreich [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-09-20 10:11 Petr Vandrovec
2002-09-20 15:50 ` Andreas Seltenreich

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