Re: tdfx framebuffer garbles display in 2.6.19.5

    Hi Antonino :)

 * Antonino A. Daplas [off-list ref] dixit:

On Mon, 2007-02-26 at 18:13 +0100, DervishD wrote:

quoted

quoted

Try fbset -a -vyres 600 first and let us know of the result.

After doing this, I no longer can garble the display (before, just a
"ls -lR /" was enough to do it, in fact, any big output garbled the
display). The only problem with this solution is that the scroll
speed has decreased a bit. In fact, the scroll speed is affected by
the vyres parameter a lot! The highter the vyres, the faster the
scroll, and I cannot reproduce the problem anymore after changing it
once!

Display panning is what makes scrolling fast which is the default
scroll method if vyres > yres.  Unfortunately, tdfxfb occasionally
have problems with this method, the higher the vyres, the greater the
likelihood of screen corruption.

    Then I'll try with 4096 and will diminish the number until the
display is stable.

That's why tdfxb limits the vyres to a maximum of 4096. As to why the
problem disappeared just by changing this parameter, that I too don't
know.

    Probably setting it back to 4096 will make the problem reappear.
Right now I cannot test, but I'll make some experiments.

    Thanks a lot!

    Raúl Núñez de Arenas Coronado

-- 
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