From: Bernardo Innocenti <bernie@develer.com>
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>
Subject: Re: [Linux-fbdev-devel] How to mmap a shadow framebuffer in virtual memory
Date: Mon, 15 Jan 2007 07:04:27 +0100 [thread overview]
Message-ID: <45AB196B.7090409@develer.com> (raw)
In-Reply-To: <Pine.LNX.4.62.0701141211030.18479@pademelon.sonytel.be>
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/
next prev parent reply other threads:[~2007-01-15 6:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-14 0:24 How to mmap a shadow framebuffer in virtual memory Bernardo Innocenti
2007-01-14 0:24 ` Bernardo Innocenti
2007-01-14 11:13 ` [Linux-fbdev-devel] " Geert Uytterhoeven
2007-01-15 6:04 ` Bernardo Innocenti [this message]
2007-02-06 14:57 ` Bernardo Innocenti
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=45AB196B.7090409@develer.com \
--to=bernie@develer.com \
--cc=Geert.Uytterhoeven@sonycom.com \
--cc=aleph@develer.com \
--cc=linux-fbdev-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.