From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bernardo Innocenti <bernie@develer.com>
Subject: Re: [Linux-fbdev-devel] How to mmap a shadow framebuffer in virtual
 memory
Date: Mon, 15 Jan 2007 07:04:27 +0100
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References: <45A97832.2040206@develer.com> <Pine.LNX.4.62.0701141211030.18479@pademelon.sonytel.be>
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To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Linux Frame Buffer Device Development <linux-fbdev-devel@lists.sourceforge.net>, lkml <linux-kernel@vger.kernel.org>, aleph <aleph@develer.com>

Geert Uytterhoeven wrote:

> It's known to work for the PS3 frame buffer device driver, which copies the
> virtual frame buffer to the GPU on every vsync. Check out ps3fb_mmap() in
> http://www.kernel.org/git/?p=linux/kernel/git/geoff/ps3-linux.git;a=blob_plain;f=drivers/video/ps3fb.c;hb=HEAD

I still couldn't solve my problem, but thanks for helping.

The way you map memory in ps3fb_mmap() is basically the same.
In my case, memory is allocated with __get_free_pages() instead
of being at an absolute physical address, but I can't see how
it could make any difference.

-- 
   // Bernardo Innocenti - Develer S.r.l., R&D dept.
 \X/  http://www.develer.com/