Savage Exa Screen Error

Alex Deucher alexdeucher at
Sun Sep 18 20:39:27 PDT 2005

On 9/18/05, Caleb O'Connell <irishblood55 at> wrote:
> Alex Deucher wrote:
> > On 9/17/05, Caleb O'Connell <irishblood55 at> wrote:
> >> I have a ProSavage kn133 with 16 Meg shared Memory on an HP pavilion 1230
> >> laptop.  I'm not sure what the LCD is so I use Generic 1024x768.  To get
> >> to
> >> the point, I've built xorg rpms for fedora core 4.  I have DRI
> >> enabled and that works great.  I applied the savage-exa.diff patch to the
> >> savage drivers and included the correct savage_exa.c and savage_xaa.c.
> >> That has built and installed fine, but when I use the Option
> >> "AccelMethod" "exa" the screen comes up with the cursor, freezes it in
> >> place, and in the top left corner there is a small pixel box that seems
> >> to be the whole
> >> screen pushed up there.  So it looks like there is a screen printing
> >> problem.  There are no error in the Xorg.0.log file, in fact it gives me
> >> a
> >> successful loading of exa and all other options.  My question is if I
> >> should be using an actual driver for my LCD which is giving the error, or
> >> if exa for savage just isn't all ready.  Thanks ahead of time.
> >>
> >
> > currently exa only works with a linear framebuffer.  Try adding this
> > option to your config:
> > Option "DisableTile" "true"
> > And then exa should work (theoreticaly anyway, no one has tried it yet
> > on a prosavage chip).
> >
> > Alex
> >
> >> Caleb O'Connell
> >> irishblood55 at
> >>
> I've enabled EXA for my ProSavage chip, and added the "DisableTile" "true"
> into my conf file.  It now works, but is really slow.  It disables the DRI
> since that requires tile frame buffer.  All seems to be very good, but of
> course I cannot as of now use it since it is so slow.  Thanks for the help
> to at least get this somewhat straightened out.  I hope that this EXA can
> be setup so as to use tiled frame buffer.  At that point I could really use
> the card to it's total capacity.

I've been working on getting tiled FB working, but it's not there yet.


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