[Savage40] Dual head on T23

[Honza Král]

hello,


On 5/19/05, Alex Deucher <agd5f at yahoo.com> wrote:
> 
> --- Honza Král <honza.kral at gmail.com> wrote:
> > Hi,
> > I am using
> > savage-20050514-linux.i386.tar.bz2
> > snapshot from http://dri.freedesktop.org/snapshots/
> >
> > the XaaNoScreenToScreenCopy did solve the problem with the scrambled
> > picture in xinerama, thanks a lot...
> 
> I fixed this last night in cvs.  tomorrow's snapshot should do that
> automatically (disable ScreenToScreenCopies by deafult on crtc2 at
> depth 24).
> 
> >
> > however, the external display is still VERY slow, scrolling in
> > firefox
> > is a nightmare. (it is ok on the laptop's LCD though)
> > Also there are some vertical stripes on screen where the image is
> > sort
> > of blurred.
> > Could that be becaouse of the big resolution?
> 
> the CRT is slow because you disabled ScreentoScreenCopies, which
> unforunately is one of the most used XAA acceleration routines.  Your
> best bet for fast dualhead is to use 16 bpp.  ScreentoScreenCopies work
> fine and both heads will be fast.

Yes, this worked for me, thank you very much...
the problems with the stripes are related to my external LCD (it works
very well on a different LCD at work)


> >
> > mergedfb: i dont need the acceleration on the dual head. I dont play
> > games and when i want to watch amovie, i can switch to normal layout
> > and use the s3switch  to make my ext screen work as clone.
> >
> > Should i try the CVS version of X.org? Is there any chance that this
> > might actually solve my problem?
> >
> 
> the snapshots are from cvs.  so you already using the cvs version.

hm, i should have guessed from the title, my brain must have had a
vacation, thanks

> Alex
> 
> > thanks
> > HK
> >
> > On 5/17/05, Alex Deucher <agd5f at yahoo.com> wrote:
> > >
> > > --- Honza Král <honza.kral at gmail.com> wrote:
> > > > Hi,
> > > > first of all, thanks for the great work, i really appreciate it.
> > > >
> > > > i have some difficulties getting Dual head to work on my T23
> > > > notebook.
> > > > my xorg.conf: http://king.xcity.cz/xorg.conf
> > > >
> > > > the default layout ("DRI") works fine
> > > >
> > > > the xinerama layout ("XINE") works, but it scrambles the image on
> > the
> > > > external display (1280x1024 LCD) so that it is unusable (it is
> > > > cleared
> > > > when the screen is redrawn, but still)
> > > >
> > > > the MergedFB layout ("MFB") does not work at all:
> > > > when i start it without the Virtual directive in screen, it acts
> > as
> > > > "DRI" layout (Clone)
> > > > when i set the Virtual as shown, it starts, but the image is
> > > > scrambled
> > > > - it looks like stripes of the same sontent, always containing my
> > > > cursor (so it looks like i have 100 cursors one above the other),
> > the
> > > > WM starts and works ( pekwm - i can exit gracefully ). Plus it is
> > a
> > > > Clone mode as well (actually, the external screen is fixed to the
> > > > left
> > > > half of the virtual screen and the internal scrolls when i move
> > the
> > > > cursor)
> > > >
> > > > I use gentoo linux
> > > > # X -version
> > > >
> > > > X Window System Version 6.8.2
> > > > Release Date: 9 February 2005
> > > >
> > > > if you need any additional info, please let me know.
> > > > I would be gratefull for any suggestions.
> > > >
> > > > thank you very much
> > >
> > > what version of the code are you using?  a patch from my site?
> > xorg
> > > from cvs?  Mergedfb only exists currently as an incomplete patch on
> > my
> > > website.  I never finished it up.  If you are running depth 24, you
> > > need to disable screen to screen copies since they don't seem to
> > work
> > > correctly in depth 24 in dualhead mode.  I don't know why.  you
> > need to
> > > either use depth 16, or disable screen to screen copies.  Add:
> > > XaaNoScreenToScreenCopy
> > > to the device section of your config.  See that xorg.conf man page
> > for
> > > more on disabling XAA routines.  I'm planning to disable screen to
> > > screens copies by default for depth 24 dualhead, but my savage
> > laptop
> > > was out of commission until yesterday.  I need to sync it up and
> > commit
> > > the patch.
> > >
> > > Alex
> > >
> > > >
> > > > --
> > > > Honza Král
> > > > E-Mail: Honza.Kral at gmail.com
> > > > ICQ#:   107471613
> > > > Jabber: king at jabber.cz
> > > > _______________________________________________
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> > > >
> > >
> > >
> > >
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> >
> > --
> > Honza Král
> > E-Mail: Honza.Kral at gmail.com
> > ICQ#:   107471613
> > Jabber: king at jabber.cz
> > Phone:  +420 606 678585
> >
> 
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-- 
Honza Král
E-Mail: Honza.Kral at gmail.com
ICQ#:   107471613
Jabber: king at jabber.cz
Phone:  +420 606 678585