From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Hellstrom <thomas@shipmail.org>
Subject: Re: vesafb handover
Date: Mon, 15 Feb 2010 15:52:36 +0100
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To: Dave Airlie <airlied@gmail.com>
Cc: Dave Airlie <airlied@redhat.com>, "dri-devel@lists.sourceforge.net" <dri-devel@lists.sourceforge.net>
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Dave Airlie wrote:
> On Mon, Feb 15, 2010 at 8:04 PM, Thomas Hellstrom <thomas@shipmail.org> wrote:
>   
>> Hi, Dave!
>>
>> Could you point me to what's needed in drm fb setup to utilize the
>> vesafb handover mechanism?
>>     
>
> In intel_fb.c
>
>        /* setup aperture base/size for vesafb takeover */
>         info->aperture_base = dev->mode_config.fb_base;
>         if (IS_I9XX(dev))
>                 info->aperture_size = pci_resource_len(dev->pdev, 2);
>         else
>                 info->aperture_size = pci_resource_len(dev->pdev, 0);
>
>
> The fb code then compare the aperture base/size against where
> vesafb has setup its linear frame buffer and removes it on conflict.
>
> Dave.
>   
OK, thanks.
I've posted a patch for the vmwgfx driver that removes stealth operation 
in favor of that mechanism.

/Thomas


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