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List:       linux-fbdev-devel
Subject:    Re: [Linux-fbdev-devel] [PATCH] atyfb: vblank irq support
From:       Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <syrjala () sci ! fi>
Date:       2004-07-25 23:36:16
Message-ID: 20040725233616.GA25090 () sci ! fi
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On Sun, Jul 25, 2004 at 08:29:10PM +0200, Alexander Kern wrote:
> Am Sonntag, 25. Juli 2004 12:16 schrieb Ville Syrjälä:
> > On Sun, Jul 25, 2004 at 01:12:18AM +0200, Alexander Kern wrote:
> > > Issue with 24bpp mode and fbtest, yellow parts of pinguin image are
> > > blue!!!
> >
> > I've never tried 24bpp because of limited acceleration support. I haven't
> > even bothered implenenting 24bpp acceleration in the DirectFB driver.
> Interesting, I thought 24bpp hardware acceleration is complete? What is 
> missed?

For fbcon probably nothing. But I think mach64 can't draw besenham lines 
or use the front end scaler/3D pipe with 24bpp. Those two are enough to 
keep me from using it and maybe there were some additional limitations as 
well.

PS.
The cursor code appears to be working quite well. One small problem: The 
cursor is invisble it's while moving. But that's probably a problem with 
the generic cursor code. And it may have been fixed already (I'm still 
running 2.6.5-mm6 + quite a bit of patches).

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


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