linux-kernel - Re: tdfx framebuffer garbles display in 2.6.19.5

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Message-ID: <20070306111703.GD25349@DervishD>
Date:	Tue, 6 Mar 2007 12:17:03 +0100
From:	DervishD <lkml@...vishd.net>
To:	"Antonino A. Daplas" <adaplas@...il.com>
Cc:	Linux-kernel <linux-kernel@...r.kernel.org>,
	Linux Fbdev development list 
	<linux-fbdev-devel@...ts.sourceforge.net>
Subject: Re: tdfx framebuffer garbles display in 2.6.19.5

    Hi Antonino :)

 * Antonino A. Daplas <adaplas@...il.com> dixit:
> On Tue, 2007-03-06 at 07:25 +0100, DervishD wrote:
> >  * Antonino A. Daplas <adaplas@...il.com> dixit:
> > > On Thu, 2007-03-01 at 17:01 +0100, DervishD wrote:
> > > >  * Antonino A. Daplas <adaplas@...il.com> dixit:
> > > > > Can you try this patch?  It might help with the screen
> > > > > corruption.
> > > > 
> > > >     With the patch, the scroll slows to a crawl and the system is
> > > >     unusable. The time to scroll 30 lines is about a minute or so
> > > >     (probably more, I just measured for a while).
> > > > 
> > > >     If you want me to test other patches, just tell :)
> > > 
> > > Can you change the mdelay to udelay and use higher/lower delay values
> > > to see if there's any improvement?
> > 
> >     Yes, as soon as I can build a new kernel and reboot. Any suggested
> > value?
> 
> You can start with 5 and increment by 5.  So you need not reboot each
> time, compile tdfxfb as a module, and set CONFIG_HW_CONSOLE_BINDING=y
> (under drivers->char).

    I've done that for testing, but I haven't build that kernel yet (not
spare time by now).

> Make sure you have vbetool, and use the attached script.

    I don't have vbetool, but I'll get it.
 
> The script assumes vbetool is in /usr/sbin, if not just edit. Also,
> unbinding will only work if X (or any graphics app, for that matter) is
> not loaded.

    No problem, it will be off while I test. I'll try to make the tests
probably this friday or the weekend, as soon as I can.

    Thanks a lot for your interest :)

    Raúl Núñez de Arenas Coronado

-- 
Linux Registered User 88736 | http://www.dervishd.net
It's my PC and I'll cry if I want to... RAmen!
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