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Message-Id: <1208902903.9640.138.camel@pasglop>
Date: Wed, 23 Apr 2008 08:21:43 +1000
From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
To: Christian Ehrhardt <ehrhardt@...ux.vnet.ibm.com>
Cc: linux-fbdev-devel@...ts.sourceforge.net, linuxppc-dev@...abs.org,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org, adaplas@...il.com,
Hollis Blanchard <hollisb@...ibm.com>,
Wolfgang Denk <wd@...x.de>, Detlev Zundel <dzu@...x.de>
Subject: Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs
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...
Cheers,
Ben.
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