Subject: Re: X11 on iBook G4: flickering screen
To: Emmanuel Dreyfus <manu@netbsd.org>
From: David Brownlee <abs@netbsd.org>
List: port-macppc
Date: 06/26/2004 11:06:36
On Sat, 26 Jun 2004, Emmanuel Dreyfus wrote:

> David Brownlee <abs@netbsd.org> wrote:
>
>>> An alternative would be to add a ibookradeon driver. The .c file would
>>> just include radeon_driver.c with a define so that we get the right code.
>>> We would loose the ability to get X autoconfigured by XFree86 -configure,
>>> but at least we won't break anything. iBook users would just have to use
>>> the ibookradeon driver instead of the radeon driver.
>>
>>       Is there no way to tell if it is an ibook radeon? The PCI ids
>>       and config values are all the same as in a 'genuine' radeon?
>
> As far as I understand, the problem is more with the iBook screen than
> the video board itself.
>
> The board is PCI_CHIP_RADEON_LW. Changing behavior on that data is
> better than doing so on any powerPC port, but it may ystill break some
> working setups.

 	pcidevs reports that as a 'Radeon Mobility M7 LW (AGP)'. Mobility
 	radeons should only be found in laptops and similar as they are
 	embedded rather than available on separate cards.

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