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From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Greg KH <greg@kroah.com>, Andrew Morton <akpm@osdl.org>,
	Jon Smirl <jonsmirl@gmail.com>,
	linux-pci@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org
Subject: Re: [patch 2.6] remove PCI_BRIDGE_CTL_VGA handling from setup-bus.c
Date: Thu, 14 Jul 2005 14:53:27 +0100	[thread overview]
Message-ID: <20050714145327.B7314@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20050714155344.A27478@jurassic.park.msu.ru>; from ink@jurassic.park.msu.ru on Thu, Jul 14, 2005 at 03:53:44PM +0400

On Thu, Jul 14, 2005 at 03:53:44PM +0400, Ivan Kokshaysky wrote:
> The setup-bus code doesn't work correctly for configurations
> with more than one display adapter in the same PCI domain.
> This stuff actually is a leftover of an early 2.4 PCI setup code
> and apparently it stopped working after some "bridge_ctl" changes.
> So the best thing we can do is just to remove it and rely on the fact
> that any firmware *has* to configure VGA port forwarding for the boot
> display device properly.

What happens when there is no firmware?

I'm sure this code would not have been added had there not been a reason
for it.  Do we know why it was added?

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core

  parent reply	other threads:[~2005-07-14 13:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-14 11:53 [patch 2.6] remove PCI_BRIDGE_CTL_VGA handling from setup-bus.c Ivan Kokshaysky
2005-07-14 13:27 ` Jon Smirl
2005-07-14 13:53 ` Russell King [this message]
2005-07-14 14:07   ` Jon Smirl
2005-07-14 21:46     ` Ivan Kokshaysky
2005-07-14 22:39       ` Jon Smirl
2005-07-14 23:08         ` Ivan Kokshaysky
2005-07-15 14:33       ` Benjamin Herrenschmidt
2005-07-14 21:44   ` Ivan Kokshaysky
2005-07-14 22:42     ` Jon Smirl
2005-07-14 23:33       ` Ivan Kokshaysky
2005-07-18 19:51   ` Grant Grundler

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