Ati Radeon 7200 3D feature is buggy (kernel 2.6.34-rc6, ATI driver 6.13) (Answer TWO: more precise)

[Michel Dänzer]

On Mon, 2010-05-03 at 21:50 +0200, Uwe Bugla wrote: 
> Am Montag, den 03.05.2010, 12:49 -0400 schrieb Alex Deucher:
> > 2010/5/3 Uwe Bugla <uwe.bugla at gmx.de>:
> > > Am Montag, den 03.05.2010, 15:27 +0200 schrieb Michel Dänzer:
> > >> On Sam, 2010-05-01 at 09:33 +0200, Uwe Bugla wrote:
> > >> > Hi,
> > >> >
> > >> > I am working with an ATI Radeon 7200 QD (R100) on a Pentium 4 machine
> > >> > with Intel AGP chipset.
> > >> > The card driver is 6.13 (latest snapshot from April 30).
> > >> >
> > >> > To savely exclude other side effects I did the following:
> > >> > Recompile mesa library 7.9 devel and libdrm 2.4.20 from snapshot of
> > >> > April 30.
> > >> >
> > >> > What is the symptom?
> > >> > Via config manager of Gnome 2.30 I make metacity a composite manager for
> > >> > a reduced
> > >> > amount of 3D effects.
> > >> > What happens with the ATI driver (NOT with the self-built nouveau driver
> > >> > running
> > >> > with my Nvidia cards - this one works fantastic!) is the following:
> > >> >
> > >> > If I go to the Linux Kernel archives via iceweasel 3.59 and push the
> > >> > right mouse
> > >> > button over some "View Patch" entry I get a window throwing shadows, as
> > >> > intended.
> > >> >
> > >> > BUT: The window does not contain any text!
> > >> > I wonder if the 6.13 driver can deal with the fact that the card only
> > >> > has 32 MB RAM.
> > >> > But this is wild guessing, as I do not have any idea.
> > >> > Maybe this hint / symptom is helpful for the developers.
> > >> >
> > >> > When publishing driver 6.13 you were promising a driver being able of 3D
> > >> > and 2D
> > >> > effects plus KMS.
> > >> > Except the 3D effects everything is working fine.
> > >> > When will you finally fulfil that promise?
> > >>
> > >> Did you test the kernel patch I asked you to?
> > >
> > >
> > > Hello everybody,
> > >
> > > SIGH! I got Compiz running together with my ATI Radeon QD 7200 (=R100).
> > >
> > > Just to make it clear for every one:
> > >
> > > Needed are:
> > >
> > > 1. Kernel 2.6.34-rc6
> > > 2. a self built Debian package containing the latest snapshot from
> > > driver xf86-video-ati, version 6.13.
> > > 3. one AGP patch
> > > 4. one Radeon patch
> > > 5. most important (and this one cost me hours to find out!):
> > >
> > > NOT the latest master from here:
> > > http://cgit.freedesktop.org/mesa/mesa/
> > > This master contains hunks which make the whole thing incompatible!
> > >
> > 
> > What hunks are causing problems?  What sort of problems are you seeing?
> > 
> > >
> > >
> > > Instead you can use this one:
> > > http://cgit.freedesktop.org/mesa/mesa/snapshot/mesa-nvfx-next-6b.tar.gz
> > >
> > > This is Luca Barbieri's experimental tree, which not only works
> > > excellent with my Nvidia nv34 cards, but furthermore seems to be the
> > > only one to work with my ATI driver......
> > >
> > >
> > >
> > > Michel Dänzer does not like the Radeon patch, and Dave Airlie promised
> > > to write a better one.
> > > Unfortunately I haven't seen any patch from Dave yet, so the empty
> > > promise stays to at least try to find a better solution......
> > 
> > There were several new variations of the patch from both Dave and
> > Michel and you were cc'ed on most of them:
> > http://marc.info/?l=dri-devel&m=127233579110506&w=2
> > http://lists.freedesktop.org/archives/dri-devel/2010-April/000266.html
> > http://lists.freedesktop.org/archives/dri-devel/2010-April/000309.html
> > 
> > Alex
> 
> Hi all,
> 
> 1. I was not consequently cc'ed.

Yes, you were.

> 2. I am not familiar with acronyms like bo or VRM
> 3. I owe no subscription at the dri devel list.
> 4. None of the 3 patches applies against 2.6.34-rc6 without further
> overworking, and this work does not only cover line adjustment....
> 5. If I must adjust the line numbers of the patches to avoid fuzz
> factors and line overhead that is OK so far.
> 6. But if the patch does not compile after these adjustments that is
> anything but healthy for the mood....
> 7. The Email header was changed, so I did not find Michel's approaches
> in order to test them.
> 
> Now let's have a closer look to the patches:
> 
> Michel's contributions unfortunately neither apply as patch, nor do they
> compile against kernel 2.6.34-rc6.....
> Result: Unusable.
> 
> Dave's contribution contains a hunk 6 against radeon_object.c which is
> pure crap, as radeon_object.c is simply not long enough: 509 lines!
> 
> This is the piece of crap (i. e. hunk 6) which should not be there:

[...]

The only 'crap' I've seen has been your uttering. If you're trying to
make our killfiles, you're doing pretty good.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer