Comment 19 for bug 315889

Revision history for this message
Alexander Sack (asac) wrote : Re: [Bug 315889] Re: [R580] EXA has severe performance impact on ATI R580 (X1900)

On Tue, Feb 17, 2009 at 09:18:18AM -0000, Alexander Sack wrote:
> On Sun, Feb 15, 2009 at 06:10:48PM -0000, Tormod Volden (~offline till March) wrote:
> > There used to be a hook in modprobe that would only load the fglrx
> > module if "fglrx" was specified as the driver in xorg.conf. Now that
> > xorg.conf is not used any longer (for ati at least, and I suppose for
> > fglrx neither?), this is no solution. I guess our X has been patched to
> > prefer the fglrx driver if it is installed. One ugly way would then be
> > to only load the fglrx module if fglrx is installed.
> >
>
> in my case i only had the fglrx "kernel" part installed and not the
> xorg part. So this seems to be no solution.
>
> > Adding a "fglrx breaks ati" would most precisely describe the truth, but
> > it we don't really want people to uninstall ati because they want to try
> > out fglrx.
>
> Well, i am not really for promoting fglrx ... if there is the choice
> of a) either breaking your free ati driver or b) making it painful to
> test fglrx lets chooose b).

Actually, I retract that statement. I think we need to find something
on code level, like below ...

> IMO, we should add a hook that doesnt load the fglrx module unless
>
> a) fglrx is in xorg.conf
> b) not -ati xorg driver is installed
>
> - Alexander
>

 - Alexander