KMS Question

[Erich Dollansky]

Hi,

On Tuesday, July 03, 2012 01:54:47 AM Warren Block wrote:
> On Mon, 2 Jul 2012, Erich Dollansky wrote:
> > On Monday, July 02, 2012 11:13:56 AM Peter Ulrich Kruppa wrote:
> >> On Mon, 2 Jul 2012, Erich Dollansky wrote:
> >>
> >>> On Monday, July 02, 2012 10:16:43 AM Peter Ulrich Kruppa wrote:
> >>>>
> >>>> please correct me, if I misunderstood something about KMS .
> >>>>
> >>>> I built xorg-7.7 on FreeBSD 9.0-STABLE #0: Mon Jun 11 23:48:45
> >>>> CEST 2 amd64 .
> >>>>
> >>>> When I do a plain
> >>>>  	# startx
> >>>> (no xorg.conf set) I receive
> >>>>
> >>> I do this:
> >>>
> >>> sudo kldload i915kms
> >>> sudo kldload acpi_call
> >>> sudo chmod 666 /dev/acpi
> >>> startx
> >> Actually this is my question: I cannot kldload these two modules
> >> because I don't have them. I believed I wouldn't need them since
> >> I don't have any Intel-chipset. Do I need them anyway?
> >
> > ok, then we need more information. What kind of machine do you have? CPU and GPU?
> >
> > To my knowledge, KMS needs an Intel i3, i5 or i7 to work. You cannot use KMS with all other CPUs.
> 
> That doesn't sound right, although I have not yet tested it.  It should 
> only depend on the graphics chipset, not the processor, and some earlier 
> GPUs should be supported.  The wiki (http://wiki.freebsd.org/Intel_GPU) 
> says

of course. I did not realise that older GPUs outside the CPU could be compatible.

>    "Initial goal is to have gen4-gen6 (and gen7 AKA IvyBridge, when
>    available) hardware support. Gen2 and gen3 will be best efforts. See
>    http://en.wikipedia.org/wiki/Intel_GMA for the useful table with the
>    information about the hardware, generations and marketing nicks."
> 
> Generation four is GMA X3000, five and six are... not clear to me. 
> Maybe X3500 and X4500.
> 
> > You also do not need it if you have another GPU you want to use it in the system.
> 
> Yes, or put another way, the Intel driver is the only one which has 
> working KMS at present.
> 
This is the better phrasing.

Erich
>