RE: [Linuxconsole-dev] writeup

[Brad D. <Br...@NE...>]

> -----Original Message-----
> From: James Simmons [mailto:jsi...@ac...]
> 
> On Fri, 10 Mar 2000, Brad Midgley wrote:
> 
> > another thing people want to see is mirroring to two 
> monitors (eg on a
> > laptop with an external projector connected). it makes the 
> most sense to
> > have the kernel doing it (rather than, say, trying to hack 
> X to drive two
> > different framebuffers with the same image)
> 
> Have the kernel handle this would be messy. Have a api that allows a
> userland app to piece it together would be cleaner and easier 
> to manage.

This should be handled by the low level driver.  Not all cards support this
(generally, only laptops do).  I know with the ATI cards, it's a matter of
flipping a register and doing some fixup.  The same also applies with TV
out.  We could maybe add a new option to fbset to allow setting this.

Thanks,

Brad Douglas
br...@ne...
http://www.linux-fbdev.org