Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

[Bodo Eggert]

On Sun, 7 Aug 2005, Benjamin Herrenschmidt wrote:
> On Sun, 2005-08-07 at 19:25 +0200, Bodo Eggert wrote:
> > On Sun, 7 Aug 2005, Kyle Moffett wrote:
> > > On Aug 7, 2005, at 03:51:07, Benjamin Herrenschmidt wrote:

> > > > Ah ! Interesting... I don't see why PREEMPT would affect radeonfb
> > > > though ... Can you try something like wrapper radeon_write_mode() with
> > > > preempt_disable()/preempt_enable() and tell me if it makes a
> > > > difference ?
> > 
> > Did not help. The values used to initialize the mode seem to be wrong.
> > Copying the aty directory from 2.6.12 did not help, too.
> 
> I don't see how PREEMPT could have any impact there unless you are
> experiencing memory corruption... or one of those panels that have so
> subtle timing issues that they sometimes don't sync depending on how
> many flies you have in your room....

The wrong values are constant across reboots (see my first mail), and I 
have a CRT.

Can you tell me where the timing values are read?
-- 
E.G.G.E.R.T.: Electronic Guardian Generated for 
              Efficient Repair and Troubleshooting
	-- http://www.brunching.com/toys/toy-cyborger.html
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