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Message-Id: <1208943127.5632.324.camel@thor.sulgenrain.local>
Date:	Wed, 23 Apr 2008 11:32:07 +0200
From:	Michel Dänzer <michel@...gstengraphics.com>
To:	benh@...nel.crashing.org
Cc:	Christian Ehrhardt <ehrhardt@...ux.vnet.ibm.com>,
	linux-fbdev-devel@...ts.sourceforge.net,
	Hollis Blanchard <hollisb@...ibm.com>, adaplas@...il.com,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Detlev Zundel <dzu@...x.de>, Wolfgang Denk <wd@...x.de>
Subject: Re: [Linux-fbdev-devel] [PATCH 1/3] radeonfb: Fix 64 bits
	resources on 32 bits archs

On Wed, 2008-04-23 at 08:21 +1000, Benjamin Herrenschmidt wrote:
> On Tue, 2008-04-22 at 17:55 +0200, Christian Ehrhardt wrote:
> > I wanted to ask if there are any known workarounds atm that would
> > allow me to use my X11 for now?
> 
> X is doing a mmap of /dev/mem instead of /dev/fb ?
> 
> You can normally map the fb mapping /dev/fb and then map the registers
> using /dev/fb at an offset beyond the framebuffer (fix->smem_len).
> 
> If X is using /dev/mem instead, then it's being stupid and needs to be
> fixed...

It's up to the driver, and again, the current radeon driver doesn't use
radeonfb at all anymore...


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer

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