From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: Linus Torvalds <torvalds@osdl.org>,
Jeff Garzik <jgarzik@pobox.com>, Jon Smirl <jonsmirl@yahoo.com>,
Eric Anholt <eta@lclark.edu>,
kronos@kronoz.cjb.net,
Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-fbdev-devel@lists.sourceforge.net,
dri-devel <dri-devel@lists.sourceforge.net>
Subject: Re: [Dri-devel] Re: DRM and pci_driver conversion
Date: Fri, 24 Oct 2003 23:08:30 +0400 [thread overview]
Message-ID: <20031024230830.A2362@jurassic.park.msu.ru> (raw)
In-Reply-To: <20031024165718.GA4972@vana.vc.cvut.cz>; from vandrove@vc.cvut.cz on Fri, Oct 24, 2003 at 06:57:18PM +0200
On Fri, Oct 24, 2003 at 06:57:18PM +0200, Petr Vandrovec wrote:
> We need something more sophisticated. Matrox's hardware has bits
> 31-16 readable/writable only if bit 0 is set to 1 (ROM enabled; you can
> (obviously) set bits 31-16 & 0 in one write). When ROM is disabled,
> bits 31-1 are always read as 0.
Hmm, I believe it's not true at least for Mystique, Millennium II
and G400. Otherwise we wouldn't be able to determine ROM size/alignment
as we do probe with ROM disabled (probe.c, line 125):
pci_write_config_dword(dev, rom, ~PCI_ROM_ADDRESS_ENABLE);
pci_read_config_dword(dev, rom, &sz);
Ivan.
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next prev parent reply other threads:[~2003-10-24 19:08 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1066703516.646.24.camel@leguin>
2003-10-23 19:04 ` DRM and pci_driver conversion Kronos
2003-10-23 21:10 ` [Linux-fbdev-devel] " Eric Anholt
2003-10-23 21:31 ` Jon Smirl
2003-10-23 23:23 ` [Dri-devel] " Linus Torvalds
2003-10-23 23:46 ` Eric Anholt
2003-10-24 1:19 ` [Dri-devel] " Jeff Garzik
2003-10-24 1:52 ` [Dri-devel] Re: [Linux-fbdev-devel] " Jon Smirl
2003-10-24 3:47 ` Multiple drivers for same hardware:, was: " Jon Smirl
2003-10-24 4:40 ` Linus Torvalds
2003-10-28 18:00 ` James Simmons
2003-10-24 16:44 ` [Dri-devel] " Linus Torvalds
2003-10-24 16:57 ` [Dri-devel] Re: [Linux-fbdev-devel] " Petr Vandrovec
2003-10-24 17:59 ` Linus Torvalds
2003-10-24 18:34 ` Jon Smirl
2003-10-24 19:45 ` [Dri-devel] " Ivan Kokshaysky
2003-10-24 19:08 ` Ivan Kokshaysky [this message]
2003-10-24 17:06 ` Jeff Garzik
2003-10-24 1:50 ` Jon Smirl
2003-10-25 17:29 ` Egbert Eich
2003-10-25 18:37 ` [Dri-devel] Re: [Linux-fbdev-devel] " Linus Torvalds
2003-10-25 19:17 ` [Dri-devel] " Jeff Garzik
2003-10-27 14:37 ` Ingo Oeser
2003-10-27 15:14 ` Keith Whitwell
2003-10-27 15:38 ` Jeff Garzik
[not found] ` <20031027153824.GA19711@gtf.org>
2003-10-27 15:50 ` Keith Whitwell
[not found] ` <200310271537.30435.ioe-lkml@rameria.de>
2003-10-27 15:43 ` Jeff Garzik
2003-10-28 10:53 ` [Dri-devel] Re: [Linux-fbdev-devel] " Ingo Oeser
2003-10-25 21:02 ` [Dri-devel] " Jon Smirl
2003-10-25 22:07 ` Benjamin Herrenschmidt
2003-10-27 15:10 ` Eric W. Biederman
2003-10-27 15:10 ` Keith Whitwell
[not found] ` <20031027114006.A66611@xfree86.org>
2003-10-27 19:38 ` Ian Romanick
2003-10-27 21:32 ` Linus Torvalds
2003-10-27 23:55 ` Benjamin Herrenschmidt
2003-10-28 2:13 ` Linus Torvalds
2003-10-28 3:27 ` Philip Brown
2003-10-28 19:40 ` James Simmons
2003-10-28 21:35 ` Benjamin Herrenschmidt
2003-10-28 22:09 ` Jon Smirl
2003-10-28 22:26 ` Benjamin Herrenschmidt
2003-10-28 22:54 ` Linus Torvalds
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