Why VESA and DPMS are available only for i386?

[Xin LI]

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Oliver Fromme wrote:
> Carlos A. M. dos Santos wrote:
>  > Oliver Fromme wrote:
>  > > There's a third way, and I think this is the easiest one.
>  > > This is what the Linux VESA framebuffer driver does.
>  > > Let the boot loader (which executes in 32bit mode) switch
>  > > to the desired video mode, enable a linear frame buffer
>  > > (which is supported since VBE 2.0) and pass the address
>  > > of the frame buffer to the 64bit kernel.  Then the kernel
>  > > would not need to call any VESA functions at all, thus
>  > > eliminating all of the above problems.  The drawback is
>  > > that you can't change the console video mode anymore once
>  > > the kernel is booted, i.e. you have to reboot if you want
>  > > a different mode.
>  > 
>  > This can also lead to a situation where the kernel can not restore the
>  > video controller to a known mode if the X server crashes or when the
>  > user attempts to switch from X to the "text mode" console.
> 
> Why would you need to use VESA modes for syscons if you
> install and run Xorg anyway?

In order to be able to give more information upon startup?  I always
think that the Mac OS's pre-GUI message helpful, but they don't return
to console mode anyway.

Cheers,
- --
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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