Re: fonts corruption with 3dfx drm module

[thunder7 <thunder7@xs4all.nl>]

On Sun, Jan 27, 2002 at 01:33:48PM +0000, Mark Zealey wrote:
> On Sun, Jan 27, 2002 at 01:00:57PM -0000, Daniel J Blueman wrote:
> 
> > Do you have a graphical console or text? I believe there are fixes in
> > 2.4.18-preX to decrease the 3dfx banshee/v3 pixel clock or something to
> > alleviate this issue. That'll be in the 3dfx framebuffer driver.
> > 
That fix only becomes active when the pixelclock is over half the maximum
value for the DAC on your card.
> > Or, of course, it could be something entirely different....
> 
> Text at something like 32x80 and graphics in X at 640x480. This seems to be a
> character map corruption problem, like an > will only have the / bit showing on
> it, or an ! will be half-sized etc. Also happens with other chars, but a flip
> back into X and then console again usially fixes it
> 
> -- 
That means it would be difficult to hit with the console at 80x32 and X at
640x480, unless you run at a ridiculous vertical frequency.
Anyway, it's simple to test if this fix caused it by replacing txfxfb.c 
with a version from before 2.4.18-pre6.

Since I proposed this fix, I'd be intertested to know if this fix caused it.

Let me know,
Jurriaan
> 
> Mark Zealey
> mark@zealos.org
> mark@itsolve.co.uk
> 
> UL++++>$ G!>(GCM/GCS/GS/GM) dpu? s:-@ a16! C++++>$ P++++>+++++$ L+++>+++++$
> !E---? W+++>$ N- !o? !w--- O? !M? !V? !PS !PE--@ PGP+? r++ !t---?@ !X---?
> !R- b+ !tv b+ DI+ D+? G+++ e>+++++ !h++* r!-- y--
> 
> (www.geekcode.com)
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