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Date:      Thu, 09 Sep 2004 11:19:12 +0400
From:      Vladimir Grebenschikov <vova@fbsd.ru>
To:        Jose M Rodriguez <josemi@freebsd.jazztel.es>
Cc:        "current@freebsd.org" <current@freebsd.org>
Subject:   Re: ATI Radeon LY Mobility M6: DRM does not work - locking issue ?
Message-ID:  <1094714352.1043.28.camel@localhost>
In-Reply-To: <opsd1r57hg6abrq7@orion.redesjm.local>
References:  <1094502674.2668.4.camel@localhost> <1094631615.860.7.camel@leguin> <1094634253.2172.13.camel@localhost> <1094686987.871.10.camel@leguin> <opsd1r57hg6abrq7@orion.redesjm.local>

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В чт, 09/09/2004 в 08:55 +0200, Jose M Rodriguez пишет:
> On Thu, 09 Sep 2004 10:37:44 +0400, Vladimir Grebenschikov <vova@fbsd.ru>  
> wrote:
> 
> > В ср, 08/09/2004 в 16:43 -0700, Eric Anholt пишет:
> >> On Wed, 2004-09-08 at 05:23, Jose M Rodriguez wrote:
> >> > On Wed, 08 Sep 2004 13:04:13 +0400, Vladimir Grebenschikov  
> >> <vova@fbsd.ru>
> >> > wrote:
> >> > ...
> >
> >> > 	Options  "AGPMode" "4"   # Set AGP Speed DANGEROUS but very effective
> >>
> >> I would be interested in reports of "very effective."  The effectiveness
> >> that I've heard from anyone so far is "not measurable" to 1-2%.
> >
> > Seems to be enabled successful (both mode 4 and fast-write):
> >
> > (**) RADEON(0): Using AGP 4x mode
> > (**) RADEON(0): Enabling AGP Fast Write
> > (II) RADEON(0): Depth moves disabled by default
> >
> > But can't see any difference with glxgears as fps metter.
> > it is gives about 470 fps with default window size on
> > ATI M6 16Mb + PentiumM 1700MHz
> >
> No. you need textures, not 3D.  3D commands can't waste I/O bandwirth.

Ok, can you advise simple tool to make tests (I know there is GL games,
but may be something simplier) ?

> But, after a closer look, I don't think you can take any significative  
> advantage.
> 
> Try adjust your bios AGP aperture zise (2xram, 32MB).  

Unfortunately I have no video subsystem setup options in BIOS.
Option "AGPSize" "64" 
works but not increase 16Mb limit for static buffer

> And even not  
> loading glx & dri modules.

Not helps, still 
(WW) RADEON(0): Static buffer allocation failed -- need at least 17325
kB video memory

> I've got this with 32 Mb. I think it may be possible with 16.
> 
> Fell free to send a full X log on private mail.

Ok, will send you logs by separate private mail.

> --
>    josemi
> 
-- 
Vladimir B. Grebenchikov
vova@fbsd.ru


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