Doubt regarding ATI-radeon

layman layman82 at yahoo.com
Tue Jul 29 10:55:49 PDT 2003


Thanks for the Information!

--- Ken Moffat <ken at kenmoffat.uklinux.net> wrote:
> On Tue, 29 Jul 2003, layman wrote:
> 
> >
> > I am sorry for this repitative type question,But i
> > want to clarify myself.
> >
> > I dont enable, radeon module in Kernel-drm.
> >
> > I install Xfree86 and I dont update the
> XFree86-drm
> > with the kernel-DRm. Because of my negative first
> > step.
> >
>  No, no, no!
> 
>  The reason for not building _any_ of the kernel's
> drm drivers is that
> although X can load them, it moans about the version
> being too old, and
> in practice you will get zero speedup.
> 
>  The 2.4 kernels have options to build for X-4.0 and
> X-4.1 drm only.
> I'm hoping 2.6 is sufficiently up to date to just
> work with X-4.3, but I
> haven't tested it yet.
> 
>  If you build X's drm drivers (using the same
> version of gcc as you used
> to build the kernel) then install the drm modules
> into the
> /lib/modules/... hierarchy where the kernel modules
> would have been, X
> can then load them and get acceleration.
> 
> > Now will my ATI radeon card will function under X.
> >
> 
>  A radeon should work (unaccelerated) under X even
> without the drm
> modules.
> 
> > I am asking this so that i dont have to worry
> about
> > updating the Xfree86-DRM with the Kernel-DRM
> everytime
> > I recompile my kernel.
> >
> 
>  Bad luck, but you do need to recompile these every
> time (just like
> every other out-of-kernel module).  Search the
> blfs-dev archives for
> Kelledin's link to his XFree86-DRM-4.3.0 stuff.  He
> extracted the drm
> modules and fixed up the Makefile so that all of
> them would build
> without the rest of the X tree being built.  Using
> his tar, it doesn't
> take any length of time to rebuild the drm modules
> after rebuilding your
> kernel.  If you feel brave, you could probably put
> these in something
> like /lib/modules/2.4-generic/ and get away with
> using from there, but
> sooner or later a kernel rebuild will break them, or
> they'll break
> something else in the kernel, so it's easier and
> safer to build them
> afresh each time.
> 
> Ken
> -- 
>  Peace, love, linux
> 
> 
> 
> -- 
>
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