From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Cc: linux-fbdev-devel@lists.sourceforge.net,
Hollis Blanchard <hollisb@us.ibm.com>,
adaplas@gmail.com, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
Detlev Zundel <dzu@denx.de>, Wolfgang Denk <wd@denx.de>
Subject: Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs
Date: Wed, 23 Apr 2008 08:21:43 +1000 [thread overview]
Message-ID: <1208902903.9640.138.camel@pasglop> (raw)
In-Reply-To: <480E0A54.9010203@linux.vnet.ibm.com>
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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WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Cc: linux-fbdev-devel@lists.sourceforge.net,
Hollis Blanchard <hollisb@us.ibm.com>,
adaplas@gmail.com, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
Detlev Zundel <dzu@denx.de>
Subject: Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs
Date: Wed, 23 Apr 2008 08:21:43 +1000 [thread overview]
Message-ID: <1208902903.9640.138.camel@pasglop> (raw)
In-Reply-To: <480E0A54.9010203@linux.vnet.ibm.com>
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.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Cc: linux-fbdev-devel@lists.sourceforge.net, linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, adaplas@gmail.com,
Hollis Blanchard <hollisb@us.ibm.com>, Wolfgang Denk <wd@denx.de>,
Detlev Zundel <dzu@denx.de>
Subject: Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs
Date: Wed, 23 Apr 2008 08:21:43 +1000 [thread overview]
Message-ID: <1208902903.9640.138.camel@pasglop> (raw)
In-Reply-To: <480E0A54.9010203@linux.vnet.ibm.com>
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.
next prev parent reply other threads:[~2008-04-22 22:24 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-22 1:26 [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs Benjamin Herrenschmidt
2008-04-22 1:26 ` Benjamin Herrenschmidt
2008-04-22 1:26 ` Benjamin Herrenschmidt
2008-04-22 15:55 ` Christian Ehrhardt
2008-04-22 15:55 ` Christian Ehrhardt
2008-04-22 16:04 ` Michel Dänzer
2008-04-22 16:04 ` Michel Dänzer
2008-04-22 16:04 ` Michel Dänzer
2008-04-22 22:21 ` Benjamin Herrenschmidt [this message]
2008-04-22 22:21 ` Benjamin Herrenschmidt
2008-04-22 22:21 ` Benjamin Herrenschmidt
2008-04-23 9:32 ` Michel Dänzer
2008-04-23 9:32 ` [Linux-fbdev-devel] " Michel Dänzer
2008-04-23 9:32 ` Michel Dänzer
2008-04-23 9:40 ` Benjamin Herrenschmidt
2008-04-23 9:40 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2008-04-23 9:40 ` Benjamin Herrenschmidt
2008-04-23 9:57 ` David Miller
2008-04-23 9:57 ` [Linux-fbdev-devel] " David Miller
2008-04-23 9:57 ` David Miller
2008-04-23 10:34 ` Benjamin Herrenschmidt
2008-04-23 10:34 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2008-04-23 10:34 ` Benjamin Herrenschmidt
2009-01-08 10:20 ` Sergei Shtylyov
2009-01-08 10:20 ` Sergei Shtylyov
2009-01-08 10:26 ` Sergei Shtylyov
2009-01-08 10:26 ` Sergei Shtylyov
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