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[directfb-users] Re: I have Video
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[directfb-users] Re: I have Video



On Sat, Aug 14, 2004 at 10:08:28PM -0000, Peace Monk wrote:
> 
>    I dont know what those benchmark results mean.  I have attached the
>    results to the email below.  When running in benchmark mode, the video
>    does look nice, except that it is fast :)

Ok. Then try with just -nosound. Maybe the problem is your 
soundcard/driver.

>    >Make sure you have write-combining enabled for the video memory.
>    Matroxfb
>    >should do this automagically for you. You can check this from the
>    >output of 'fbset -i' and 'cat /proc/mtrr
>    [root@htpc root]# fbset -i
>    mode "640x480-60"
>        # D: 25.176 MHz, H: 31.469 kHz, V: 59.942 Hz
>        geometry 640 480 640 26214 8
>        timings 39721 40 24 32 11 96 2
>        accel true
>        rgba 8/0,8/0,8/0,0/0
>    endmode
>    Frame buffer device information:
>        Name        : MATROX
>        Address    : 0xd4000000
>        Size        : 16777216
>        Type        : PACKED PIXELS
>        Visual      : PSEUDOCOLOR
>        XPanStep    : 8
>        YPanStep    : 1
>        YWrapStep  : 0
>        LineLength  : 640
>        MMIO Address: 0xd6000000
>        MMIO Size  : 16384
>        Accelerator : Matrox G400
>    [root@htpc root]# cat /proc/mtrr
>    reg00: base=0x00000000 (  0MB), size= 512MB: write-back, count=1
>    reg01: base=0x20000000 ( 512MB), size= 256MB: write-back, count=1
>    reg02: base=0xd4000000 (3392MB), size=  32MB: write-combining, count=2
>    reg05: base=0xf0000000 (3840MB), size=  64MB: write-combining, count=1

Looks ok although the count=2 part is somewhat strange. Have you been 
running XFree86?

<snip>
>    V:  41.9  1004  17%  9%  0.0% 0 0 0%
>    BENCHMARKs: VC:  7.395s VO:  3.887s A:  0.000s Sys:  0.617s =  11.900s
>    BENCHMARK%: VC: 62.1439% VO: 32.6688% A:  0.0000% Sys:  5.1872% =
>    100.0000%

Looks good. The VO part is important to us since it's dfbmga's percentage. 

-- 
Ville Syrjälä
syrjala@sci.fi
http://www.sci.fi/~syrjala/




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