Re: Re: New radeonfb, mostly untested

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Wed, 2003-09-10 at 19:46, Kronos wrote:
> Il Wed, Sep 10, 2003 at 06:48:26PM +0200, Benjamin Herrenschmidt ha scritto: 
> > > This is very  annoying because I must re-center the  screen every time I
> > > switch from  console to X and  viceversa. I had the same  issue with the
> > > old driver + i2c code.
> > > 
> > > That doesn't happen with the standard modedb. At 1024x768 with
> > > ignore_edid it's ok. At 1280x1024 it falls back to 800x600.
> > 
> > Can you try tweaking the hSync and vSync polarity ?
> 
> Tried,  I doesn't  change. I'm  looking  at radeonfb_set_par. What  does
> hSyncPol and vSyncPol do? They seem  useless, they aren't used anywhere.
> I  changed h_sync_pol  and v_sync_pol  (first  one, then  the other  and
> finally both).

The ones from the panel infos ? we should use them indeed rather than
the ones in the mode...

Anyway, if your EDID returns incorrect infos, then we are screwed, or
maybe we aren't calculating the horizontal margin properly when building
the mode.

How does XFree works for you ? You can try comparing what XFree programs
in registers with what we do.

Ben.




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