I do like the patch. Few questions/comments:
1) Did you check that it works with non-zero fbLocation ?
In particular, not all offsets need to have fbLocation added,
however, the code appears to be correct - I just worry that
it may add (or not add) fbLocation in the wrong place.
2) I would have expected SetFBLocation function to make sure that
the card is idle. Maybe this is done someplace else ?
best
Vladimir Dergachev
On Tue, 21 Oct 2003, Michel [ISO-8859-1] Dänzer wrote:
> On Wed, 2003-10-08 at 04:34, Vladimir Dergachev wrote:
> > On Wed, 8 Oct 2003, Michel [ISO-8859-1] Dnzer wrote:
> >
> > > > > Does the aperture ever (have to) move during the X server life though?
> > > >
> > > > I would not care. However, I know that at least Window 98 drivers have
> > > > default position (0) unless capture is enabled. Also, I suspect that when
> > > > one calls Video BIOS with framebuffer position anywhere other than 0 the
> > > > BIOS then toggles the hard reset line.
> > >
> > > Why? (CC'ing Hui Yu, who should be able to comment on this)
> >
> > No idea why it does it.
>
> Any news on this? I haven't taken this into account in
>
> http://penguinppc.org/~daenzer/DRI/radeon-memory-transition.diff
>
> which is my first take on this. As discussed before, this should handle
> any combination of new and old components gracefully, in particular it
> fixes up the client state in the DRM if necessary (and in the process
> always checks them and returns an error if they lie outside the
> framebuffer or GART apertures), so old 3D drivers work with the new 2D
> driver and DRM.
>
>
> Feedback appreciated,
>
>
> --
> Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer
> Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer
>
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