Re: AGP : ATI128,powerpc

Re: AGP : ATI128,powerpc

[Paul Mackerras]

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J”rn Nettingsmeier writes:

> i've been using ben's tree for a powerbook for quite some time, and
> i used to see the same error, so i disabled agp and dri.
>
> has this been fixed lately ?
> i'm desperate for faster video. 2d performance under x is pathetic,
> and scrolling is a major pita.

Getting reasonable 2D performance for things like scrolling doesn't
need DRI and/or AGP, you just need an X server that knows how to drive
the rage 128 chip.  I'm using XFree86 4.1.0 (from debian unstable) on
my Ti powerbook and it works just fine.  I can send you my
XF86Config-4 if you like (you would need to tweak it a little for a
pismo) or you could ask Ben Herrenschmidt for the config he uses on
his pismo.

Paul.

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AGP : ATI128,powerpc

[Vincent Katz]

Hi,

Linux version : 2.4.14
File with a supposed probleme : linux/drivers/char/agp/agpgart_be.c

I have a powerpc with an ati128 AGP.

When i compile the kernel i have this error : error "Please define
flush_cache."

this error come from the function flush_cache in agpgart_be.c where
definition for powerpc are not setting . Why ?



> static inline void flush_cache(void)
>{
>#if defined(__i386__) || defined(__x86_64__)
>        asm volatile ("wbinvd":::"memory");
>#elif defined(__alpha__) || defined(__ia64__) || defined(__sparc__)
>        /* ??? I wonder if we'll really need to flush caches, or if the
>           core logic can manage to keep the system coherent.  The ARM
>           speaks only of using `cflush' to get things in memory in
>           preparation for power failure.
>
>           If we do need to call `cflush', we'll need a target page,
>           as we can only flush one page at a time.
>
>           Ditto for IA-64. --davidm 00/08/07 */
>        mb();
>#else
>#error "Please define flush_cache."
>#endif
>}


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Re: AGP : ATI128,powerpc

[Kevin B. Hendricks]

Hi,

Try Ben Herrenschmidt's tree.  There is support for powerpc in that tree.

Kevin

On November 14, 2001 03:52, Vincent Katz wrote:
> Hi,
>
> Linux version : 2.4.14
> File with a supposed probleme : linux/drivers/char/agp/agpgart_be.c
>
> I have a powerpc with an ati128 AGP.
>
> When i compile the kernel i have this error : error "Please define
> flush_cache."
>
> this error come from the function flush_cache in agpgart_be.c where
> definition for powerpc are not setting . Why ?
>
> > static inline void flush_cache(void)
> >{
> >#if defined(__i386__) || defined(__x86_64__)
> >        asm volatile ("wbinvd":::"memory");
> >#elif defined(__alpha__) || defined(__ia64__) || defined(__sparc__)
> >        /* ??? I wonder if we'll really need to flush caches, or if the
> >           core logic can manage to keep the system coherent.  The ARM
> >           speaks only of using `cflush' to get things in memory in
> >           preparation for power failure.
> >
> >           If we do need to call `cflush', we'll need a target page,
> >           as we can only flush one page at a time.
> >
> >           Ditto for IA-64. --davidm 00/08/07 */
> >        mb();
> >#else
> >#error "Please define flush_cache."
> >#endif
> >}
>

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Re: AGP : ATI128,powerpc

[Jörn Nettingsmeier]

"Kevin B. Hendricks" wrote:
>
> Hi,
>
> Try Ben Herrenschmidt's tree.  There is support for powerpc in that tree.
>
> Kevin
>

i've been using ben's tree for a powerbook for quite some time, and
i used to see the same error, so i disabled agp and dri.

has this been fixed lately ?
i'm desperate for faster video. 2d performance under x is pathetic,
and scrolling is a major pita.

does anyone know how to speed up a pismo powerbook x server ?

regards,

jörn


--
Jörn Nettingsmeier
home://Kurfürstenstr.49.45138.Essen.Germany
phone://+49.201.491621
http://spunk.dnsalias.org
http://www.linuxdj.com/audio/lad/

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Re: AGP : ATI128,powerpc

[Benjamin Herrenschmidt]

>Linux version : 2.4.14
>File with a supposed probleme : linux/drivers/char/agp/agpgart_be.c
>
>I have a powerpc with an ati128 AGP.
>
>When i compile the kernel i have this error : error "Please define
>flush_cache."
>
>this error come from the function flush_cache in agpgart_be.c where
>definition for powerpc are not setting . Why ?

What PPC machine is this ? I added support for Apple's UniNorth
chipset in my kernel (patch submited to dri-devel a few days ago)
along with the necessary r128 DRM changes to work around HW bugs.

(My rsync tree is at rsync.penguinppc.org::linux-2.4-benh).

If you are using a different chipset, then my code may not help

Ben.


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Re: AGP : ATI128,powerpc

[Benjamin Herrenschmidt]

>i've been using ben's tree for a powerbook for quite some time, and
>i used to see the same error, so i disabled agp and dri.
>
>has this been fixed lately ?

Yes.

>i'm desperate for faster video. 2d performance under x is pathetic,
>and scrolling is a major pita.
>
>does anyone know how to speed up a pismo powerbook x server ?

XFree 4.1 should work fine. AGP won't help 2D accel, make sure
you use the "ati" driver and not "fbdev".

Ben.


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Re: AGP : ATI128,powerpc

[Jörn Nettingsmeier]

Paul Mackerras wrote:
>
> J?rn Nettingsmeier writes:
>
> > i've been using ben's tree for a powerbook for quite some time, and
> > i used to see the same error, so i disabled agp and dri.
> >
> > has this been fixed lately ?
> > i'm desperate for faster video. 2d performance under x is pathetic,
> > and scrolling is a major pita.
>
> Getting reasonable 2D performance for things like scrolling doesn't
> need DRI and/or AGP, you just need an X server that knows how to drive
> the rage 128 chip.  I'm using XFree86 4.1.0 (from debian unstable) on
> my Ti powerbook and it works just fine.  I can send you my
> XF86Config-4 if you like (you would need to tweak it a little for a
> pismo) or you could ask Ben Herrenschmidt for the config he uses on
> his pismo.

paul, ben, thanks a lot for your helpful replies.
i'm using a framebuffer xserver, which is of course the reason for
the sloppy scrolling.
somehow i thought you had to use a framebuffer (which, some reading
turned out, is only true for the console, not x).

best,

jörn


--
Jörn Nettingsmeier
home://Kurfürstenstr.49.45138.Essen.Germany
phone://+49.201.491621
http://spunk.dnsalias.org
http://www.linuxdj.com/audio/lad/


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running hot ! [was:Re: AGP : ATI128,powerpc]

[Jörn Nettingsmeier]

hello *

thanks to your hints, i was able to speed up my x performance by
switching to the ati x server.
scrolling is now what god intended it to be.

i have also compiled the latest benh kernel with agp and ati
support.
all runs fine, although i have not yet been able to run 3d stuff,
probably a missing x module.

one peculiar thing: the trackpad button of my pismo gets quite hot,
which it did not do before.
it's not too extreme, but the difference to my old setup
(xfree3.3.6, framebuffer xserver, old kernel w/o agp and ati
support) where the button used to be totally cold is remarkable.

has anyone seen that, too ?

regards,

jörn


Paul Mackerras wrote:
>
> J?rn Nettingsmeier writes:
>
> > i've been using ben's tree for a powerbook for quite some time, and
> > i used to see the same error, so i disabled agp and dri.
> >
> > has this been fixed lately ?
> > i'm desperate for faster video. 2d performance under x is pathetic,
> > and scrolling is a major pita.
>
> Getting reasonable 2D performance for things like scrolling doesn't
> need DRI and/or AGP, you just need an X server that knows how to drive
> the rage 128 chip.  I'm using XFree86 4.1.0 (from debian unstable) on
> my Ti powerbook and it works just fine.  I can send you my
> XF86Config-4 if you like (you would need to tweak it a little for a
> pismo) or you could ask Ben Herrenschmidt for the config he uses on
> his pismo.
>
> Paul.
>

--
Jörn Nettingsmeier
home://Kurfürstenstr.49.45138.Essen.Germany
phone://+49.201.491621
http://spunk.dnsalias.org
http://www.linuxdj.com/audio/lad/

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

Re: running hot ! [was:Re: AGP : ATI128,powerpc]

[Benjamin Herrenschmidt]

>one peculiar thing: the trackpad button of my pismo gets quite hot,
>which it did not do before.
>it's not too extreme, but the difference to my old setup
>(xfree3.3.6, framebuffer xserver, old kernel w/o agp and ati
>support) where the button used to be totally cold is remarkable.
>
>has anyone seen that, too ?

Mine gets hot too, never had any problem however.

Maybe the ATI chip is close to the trackpad ?

Ben.


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Re: AGP : ATI128,powerpc

[Vincent Katz]

Hi,
thanks for your reply.

PPC machine : TiBook (Powerbook Titanium)
ATY : aty128fb: Rage Mobility M3 (AGP) [chip rev 0x0] 8M 128-bit SDR
SGRAM (1:1)

Is it possible to add in the flush_cache function a
"defined(__powerpc__)"  like alpha, sparc ..or i386 .. ?

When the function flush_cache in the file "agpgart_be.c" ll be updated
in the offical kernel for ppc cpu ?

thanks.

On 14 Nov 2001 22:26:29 +0100, Benjamin Herrenschmidt wrote:
> >Linux version : 2.4.14
> >File with a supposed probleme : linux/drivers/char/agp/agpgart_be.c
> >
> >I have a powerpc with an ati128 AGP.
> >
> >When i compile the kernel i have this error : error "Please define
> >flush_cache."
> >
> >this error come from the function flush_cache in agpgart_be.c where
> >definition for powerpc are not setting . Why ?
>
> What PPC machine is this ? I added support for Apple's UniNorth
> chipset in my kernel (patch submited to dri-devel a few days ago)
> along with the necessary r128 DRM changes to work around HW bugs.
>
> (My rsync tree is at rsync.penguinppc.org::linux-2.4-benh).
>
> If you are using a different chipset, then my code may not help
>
> Ben.
>
>


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TiBook-PowerBook XF86Config-4 - gpm

[Vincent Katz]

hi,
me too, i have a tibook and i'm interesting for your XF86Config-4.

I have a little probleme with the console mode and gpm (v:1.19.6), for
the cut and paste i have an alteration of the characters, i don't know
why ?

thanks

On 15 Nov 2001 05:11:22 +1100, Paul Mackerras wrote:
> J”rn Nettingsmeier writes:
>
> > i've been using ben's tree for a powerbook for quite some time, and
> > i used to see the same error, so i disabled agp and dri.
> >
> > has this been fixed lately ?
> > i'm desperate for faster video. 2d performance under x is pathetic,
> > and scrolling is a major pita.
>
> Getting reasonable 2D performance for things like scrolling doesn't
> need DRI and/or AGP, you just need an X server that knows how to drive
> the rage 128 chip.  I'm using XFree86 4.1.0 (from debian unstable) on
> my Ti powerbook and it works just fine.  I can send you my
> XF86Config-4 if you like (you would need to tweak it a little for a
> pismo) or you could ask Ben Herrenschmidt for the config he uses on
> his pismo.
>
> Paul.


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Re: AGP : ATI128,powerpc

[Benjamin Herrenschmidt]

>PPC machine : TiBook (Powerbook Titanium)
>ATY : aty128fb: Rage Mobility M3 (AGP) [chip rev 0x0] 8M 128-bit SDR
>SGRAM (1:1)
>
>Is it possible to add in the flush_cache function a
>"defined(__powerpc__)"  like alpha, sparc ..or i386 .. ?
>
>When the function flush_cache in the file "agpgart_be.c" ll be updated
>in the offical kernel for ppc cpu ?

It's more than flush cache that is needed ;) flush_cache alone will
eventually allow AGP to compile, not to work.

Get my current rsync tree from rsync.penguinppc.org::linux-2.4-benh,
it has complete support for UniNorth AGP on r128. (the M3 you have in
your Pismo is an r128). Beware however that accelerated GL via DRI
is known to crash with this chip for reasons not yet determined.

I've sent my current patches to the DRI mailing list, I can't say
yet when all this will appear upstream as some merging has to be
done with other archs using the "special" agp_ioremap. I will submit
the AGP part of the patch directly to linus/marcello once I'm in sync
with DRI people, there's no need to send it until something can use it ;)

Ben.


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Re: TiBook-PowerBook XF86Config-4 - gpm

[Benjamin Herrenschmidt]

>hi,
>me too, i have a tibook and i'm interesting for your XF86Config-4.
>
>I have a little probleme with the console mode and gpm (v:1.19.6), for
>the cut and paste i have an alteration of the characters, i don't know
>why ?

This is a problem when VGA console support is enabled in the kernel
config. (Beware that if you disable it, you must make distclean before
recompiling to get proper display).

I know Geert had a fix for that, I'm not sure if that was included in
upstream sources or not as I didn't have this option checked for monthes
in my kernel.

For this machine (tipb), you should really use either the linuxppc_2_4_devel
tree or my rsync. (The only difference for you here beeing that my rsync
will bring the AGP stuff).

Ben.

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Re: TiBook-PowerBook XF86Config-4 - gpm

[Geert Uytterhoeven]

On Thu, 15 Nov 2001, Benjamin Herrenschmidt wrote:
> >me too, i have a tibook and i'm interesting for your XF86Config-4.
> >
> >I have a little probleme with the console mode and gpm (v:1.19.6), for
> >the cut and paste i have an alteration of the characters, i don't know
> >why ?
>
> This is a problem when VGA console support is enabled in the kernel
> config. (Beware that if you disable it, you must make distclean before
> recompiling to get proper display).
>
> I know Geert had a fix for that, I'm not sure if that was included in
> upstream sources or not as I didn't have this option checked for monthes
> in my kernel.

Accepted by Linus in 2.4.13 or so.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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Re: AGP : ATI128,powerpc

[Vincent Katz]

Ok thanks, i understand the problem ;-)
this, go against my frame of mind but i yield (i m not narrow-minded ;-)
), meanwhile the update of the official, i'll use your rsync.
 thx for all, good luck.

thx also for my gpm problem :-)

vince.

On 15 Nov 2001 15:45:02 +0100, Benjamin Herrenschmidt wrote:
> >PPC machine : TiBook (Powerbook Titanium)
> >ATY : aty128fb: Rage Mobility M3 (AGP) [chip rev 0x0] 8M 128-bit SDR
> >SGRAM (1:1)
> >
> >Is it possible to add in the flush_cache function a
> >"defined(__powerpc__)"  like alpha, sparc ..or i386 .. ?
> >
> >When the function flush_cache in the file "agpgart_be.c" ll be updated
> >in the offical kernel for ppc cpu ?
>
> It's more than flush cache that is needed ;) flush_cache alone will
> eventually allow AGP to compile, not to work.
>
> Get my current rsync tree from rsync.penguinppc.org::linux-2.4-benh,
> it has complete support for UniNorth AGP on r128. (the M3 you have in
> your Pismo is an r128). Beware however that accelerated GL via DRI
> is known to crash with this chip for reasons not yet determined.
>
> I've sent my current patches to the DRI mailing list, I can't say
> yet when all this will appear upstream as some merging has to be
> done with other archs using the "special" agp_ioremap. I will submit
> the AGP part of the patch directly to linus/marcello once I'm in sync
> with DRI people, there's no need to send it until something can use it ;)
>
> Ben.
>
>


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Re: TiBook-PowerBook XF86Config-4 - gpm

[Vincent Katz]

OK, i understand, i am "out", i am in 2.4.10 ;-) i try .14.
thx


On 15 Nov 2001 17:35:45 +0100, Geert Uytterhoeven wrote:
> On Thu, 15 Nov 2001, Benjamin Herrenschmidt wrote:
> > >me too, i have a tibook and i'm interesting for your XF86Config-4.
> > >
> > >I have a little probleme with the console mode and gpm (v:1.19.6), for
> > >the cut and paste i have an alteration of the characters, i don't know
> > >why ?
> >
> > This is a problem when VGA console support is enabled in the kernel
> > config. (Beware that if you disable it, you must make distclean before
> > recompiling to get proper display).
> >
> > I know Geert had a fix for that, I'm not sure if that was included in
> > upstream sources or not as I didn't have this option checked for monthes
> > in my kernel.
>
> Accepted by Linus in 2.4.13 or so.
>
> Gr{oetje,eeting}s,
>
> 						Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> 							    -- Linus Torvalds
>


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