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Re: [MPlayer-users] Re: [-] Optimization for a slow CPU

To: "MPlayer usage questions, feature requests, bug reports" <mplayer-users@xxxxxxxxxxxx>
Subject: Re: [MPlayer-users] Re: [-] Optimization for a slow CPU
From: Grant <emailgrant@xxxxxxxxx>
Date: Fri, 15 Sep 2006 09:20:50 -0700
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In-reply-to: <200609131814.k8DIEd3m016973@p-chan.krl.com>
References: <49bf44f10609121838y31fd939cv6d98277c8365a6de@mail.gmail.com><20060913023824.978.qmail@web39505.mail.mud.yahoo.com><49bf44f10609122345y191c7b61w6279e72a8520ab5a@mail.gmail.com><200609131701.45058.mwieser@gmx.de><49bf44f10609130841v6a62731n998b2dbc77cfd43c@mail.gmail.com><20060913163451.179020@gmx.net><200609131814.k8DIEd3m016973@p-chan.krl.com> 
> > > You can adjust the video ram size by putting e.g.
> > > VideoRam 32768
> > > into the "Device" section of your /etc/X11/xorg.conf file.
> >
> > I have VideoRam 4096 in there now.  It should be 65536?
>
> 4MByte is too less. Do you read the other mails? That's why I proposed 
32MByte....

And did you read his mail?  He just wants to know if the correct value for his
card should be 65536 as opposed to your given value of 32768.

Most X drivers figure it out without the need of a VideoRam attribute.
Try commenting it out and see what the log file says.

> echo "base=0xf8000000 size=0x40000000 type=write-combining" >| /proc/mtrr

Try: echo "base=0xf8000000 size=0x4000000 type=write-combining" >| /proc/mtrr
(one less 0 on the size).


I basically don't understand how the information from lspci, dmesg,
and /proc/mtrr is used to determine optimal values for xorg.conf
VideoRam and /proc/mtrr itself.  I hope that doesn't offend anyone.

Don, your command worked great, although I did leave out the |
character.  I now have this.

system1 ~ # cat /proc/mtrr
reg00: base=0x00000000 (   0MB), size= 128MB: write-back, count=1
reg01: base=0x08000000 ( 128MB), size=  64MB: write-back, count=1
reg02: base=0x0bf00000 ( 191MB), size=   1MB: uncachable, count=1
reg03: base=0xf8000000 (3968MB), size=  64MB: write-combining, count=1

My video driver's source says if I leave out the xorg.conf VideoRam
attribute, it will figure it out on its own.  Would you specify your
own value?

Here is lspci -v:

00:01.0 VGA compatible controller: Intel Corporation 82810E DC-133 CGC
[Chipset Graphics Controller] (rev 03) (prog-if 00 [VGA])
       Subsystem: Intel Corporation Unknown device 4332
       Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 11
       Memory at f8000000 (32-bit, prefetchable) [size=64M]
       Memory at ffa80000 (32-bit, non-prefetchable) [size=512K]
       Capabilities: [dc] Power Management version 1

and dmesg:

agpgart: Detected an Intel i810 E Chipset.
agpgart: detected 4MB dedicated video ram.
agpgart: AGP aperture is 64M @ 0xf8000000
...
I810FB: Video RAM   : 4096K

Thanks a lot for your help.

- Grant
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