Re: Re: New radeonfb, mostly untested

[Kronos <kronos@kronoz.cjb.net>]

Il Wed, Sep 10, 2003 at 07:50:10PM +0200, Benjamin Herrenschmidt ha scritto: 
> 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...

My LCD is using the VGA port, panel_info isn't used.

> 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 ? 

XFree is ok, Windows idem.

> You can try comparing what XFree programs in registers with what we
> do.

I'm doing this right now.

Luca
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Reply-To: kronos@kronoz.cjb.net
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