# Re: \[PATCH 0/22\] Make SVGA oriented FBs work on multi-domain PCI

- From: Alex Buell \<hidden\>
- Date: 2011-02-16 23:37:05 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2011/02/13461107
- Thread: https://ratatoskr.run/linux-fbdev/2011/01/13461019/t.md

```text
On Wed, 2011-02-16 at 15:24 -0800, David Miller wrote:
> From: Alex Buell <redacted>
> Date: Wed, 16 Feb 2011 23:21:20 +0000
> 
> > On Thu, 2011-02-17 at 00:01 +0100, Ondrej Zary wrote:
> >> > Signed-off-by: David S. Miller <davem@davemloft.net>
> >> 
> >> Just tested arkfb and s3fb and they seem to still work fine (on x86)
> >> with these changes. 
> > 
> > Hmm, that's odd. The exact same driver with the updates crashes on sparc
> > hardware. So far, I've not been able to figure out why it does.
> 
> We know why it does, because sparc systems do not initialize the VGA
> hardware in the BIOS the way a PC will.
> 
> That's the whole gist of the most recent thread we had where we were
> trying to diagnose your crashes.
> 
> We simply haven't figured out the magic that will get this to work.
> 
> So it's perfectly fine and expected that platforms where these drivers
> worked before, still work fine.

OK, I'd forgotten that the VGA hardware needs initialising. 
-- 
Tactical Nuclear Kittens
```