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[directfb-users] Re: XDirectFB on secend head flickers
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[directfb-users] Re: XDirectFB on secend head flickers



On Tue, Aug 10, 2004 at 12:23:28AM +0200, TheNop wrote:
> Ville Syrjälä wrote:
> 
> >On Mon, Aug 09, 2004 at 10:58:23PM +0200, TheNop wrote:
> > 
> >
> >>I have tested the option FLICKER_FILTERING  but nothing happend.
> >>I have the same line flicker effect as before. Switching on and off has 
> >>no effect.
> >>
> >>I  tested xfree with fbdev driver on the TV an I saw the same line 
> >>flicker effect as using XDirectFB.
> >>   
> >>
> >
> >Both matroxfb and the XFree86 driver use the CRTC2 RGB mode + maven 
> >scaler so the filter should work with both.
> >
> >matroxset can be used to change the filter settings for matroxfb. 
> >'matroxset -l' should list the available controls and 'matroxset -c 
> ><something>' should change them.
> >
> > 
> >
> >>Only when I'm using the mga driver for xfree I have real stable output 
> >>on my TV without any line flicher effect.
> >>   
> >>
> >
> >So the driver always enables the filter.
> >
> > 
> >
> I get no list with 'matroxset -l"
> 
> mmstation root # matroxset -l
> *--------+-----+-----+-----+-----+--------------------------------*
> |Id      |Curr |Def. |Min  |Max  |Name                            |
> *--------+-----+-----+-----+-----+--------------------------------*
> 
> What do I wrong ?

I'm not sure. I've never tried that stuff myself. Maybe you kernel is too 
old (2.4.22 appears to have the required ioctls). Did you have TV out 
enabled when you tried the matroxset command?

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




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