# Re: \[PATCH 6/6\] PM/FB/gxfb: add config option that allows disabling of VT switch during suspend

- From: Andrew Morton \<akpm@linux-foundation.org\>
- Date: 2008-03-10 23:38:41 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2008/03/1073127
- Thread: https://ratatoskr.run/lkml/2008/03/1072525/t.md

```text
On Mon, 10 Mar 2008 23:28:18 +0100 "Rafael J. Wysocki" [ref] wrote:

> > > > If so, that means extra #ifdef's sprinkled throughout the code.  Note
> > > > that most framebuffer drivers won't be supporting this, and those that
> > > > do will almost certainly always want vt switching turned off..
> > > > 
> > > 
> > > I don't think you need any ifdefs or config options at all, do you?  Just
> > > add a new module parameter to this driver and some little interface into
> > > the PM core which allows the driver to set no_vt_switch?
> > > 
> > 
> > That's a possibility, but doesn't adding hooks into PM core for two
> > drivers (lxfb and gxfb) seems like overkill?  I also don't really see
> > anyone needing to switch back and forth between VT_SWITCH and
> > NO_VT_SWITCH other than to work around possible bugs in the register
> > save/restore code..
> 
> FWIW, I prefer the original .config option idea.

Please explain your reasoning?
```