From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Eger <eger@havoc.gtf.org>
Subject: Re: [Linux-fbdev-devel] [PATCH] fb accel capabilities (resend against 2.6.7-rc2)
Date: Thu, 3 Jun 2004 21:26:56 -0400
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To: Thomas Winischhofer <thomas@winischhofer.net>
Cc: David Eger <eger@theboonies.us>, adaplas@pol.net, Andrew Morton <akpm@osdl.org>, linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org

On Thu, Jun 03, 2004 at 10:46:08PM +0200, Thomas Winischhofer wrote:
> David Eger wrote:
> >
> >On the down side, panning makes screen corruption for me... time to 
> >investigate to see if fbcon or radeonfb is to blame... perhaps panning 
> >is just ncompatible with accel engine at all in radeon...
> 
> What sort of "screen corruption" do you get?

I tracked it down in the radeon accel code -- the fix wasn't hard.  
by default, radeon allocs a virtual screen the same size as the screen,
so I just hadn't encountered the bug yet ;-)

Patches implementing Antonino's pseudocode and fixing radeonfb are coming
momentarily.  Thank you Antonino.

-dte