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Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs

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From: Benjamin Herrenschmidt <benh@...>
To: Christian Ehrhardt <ehrhardt@...>
Cc: <linux-fbdev-devel@...>, <linuxppc-dev@...>, Andrew Morton <akpm@...>, <linux-kernel@...>, <adaplas@...>, Hollis Blanchard <hollisb@...>, Wolfgang Denk <wd@...>, Detlev Zundel <dzu@...>
Subject: Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs
Date: Tuesday, April 22, 2008 - 6:21 pm

On Tue, 2008-04-22 at 17:55 +0200, Christian Ehrhardt wrote:

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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Messages in current thread:
[PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits archs, Benjamin Herrenschmidt, (Mon Apr 21, 9:26 pm)
Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits a..., Christian Ehrhardt, (Tue Apr 22, 11:55 am)
Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits a..., Benjamin Herrenschmidt, (Tue Apr 22, 6:21 pm)
Re: [Linux-fbdev-devel] [PATCH 1/3] radeonfb: Fix 64 bits re..., Michel , (Wed Apr 23, 5:32 am)
Re: [Linux-fbdev-devel] [PATCH 1/3] radeonfb: Fix 64 bits re..., David Miller, (Wed Apr 23, 5:57 am)
Re: [Linux-fbdev-devel] [PATCH 1/3] radeonfb: Fix 64 bits re..., Benjamin Herrenschmidt, (Wed Apr 23, 6:34 am)
Re: [Linux-fbdev-devel] [PATCH 1/3] radeonfb: Fix 64 bits re..., Benjamin Herrenschmidt, (Wed Apr 23, 5:40 am)
Re: [PATCH 1/3] radeonfb: Fix 64 bits resources on 32 bits a..., Michel , (Tue Apr 22, 12:04 pm)