From: Jon Smirl <jonsmirl@gmail.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jon Smirl <jonsmirl@yahoo.com>,
dri-devel@lists.sourceforge.net,
Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>,
xorg@lists.freedesktop.org
Subject: Re: radeon, apertures & memory mapping
Date: Sun, 13 Mar 2005 11:22:17 -0500 [thread overview]
Message-ID: <9e4733910503130822293c0105@mail.gmail.com> (raw)
In-Reply-To: <1110696189.5787.100.camel@gaston>
On Sun, 13 Mar 2005 17:43:09 +1100, Benjamin Herrenschmidt
<benh@kernel.crashing.org> wrote:
> > In the long term I was hoping to design thing such that the two heads
> > can be used by two independent users, each could be running X or
> > fbdev.
>
> You mean fbcon ? Unless there is proper arbitration, there can't be 2
> users. Hopefully we'll get there. But in any way, there can be only one
> driver in charge of the "card". That is, if X is using UseFBDev, then
> yes, it can use one head and fbcon the other. But if X is reprogramming
> the whole card, no way fbdev (and I mean -dev in this case) can use the
> other head at the same time, that's just not realistic.
I meant fbcon and XGL. Both will be running on fbdev/DRM and using a
coordinated memory manager, probably in DRM.
Current X is broken for sharing.
--
Jon Smirl
jonsmirl@gmail.com
next prev parent reply other threads:[~2005-03-13 16:22 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-13 1:35 radeon, apertures & memory mapping Benjamin Herrenschmidt
2005-03-13 3:22 ` Jon Smirl
2005-03-13 6:43 ` Benjamin Herrenschmidt
2005-03-13 16:22 ` Jon Smirl [this message]
2005-03-14 4:28 ` [Linux-fbdev-devel] " Michel Dänzer
2005-03-14 7:12 ` Benjamin Herrenschmidt
2005-03-14 16:20 ` Michel Dänzer
2005-03-14 21:52 ` Benjamin Herrenschmidt
2005-03-14 22:12 ` Michel Dänzer
2005-03-14 22:37 ` FB model basic issues (WAS: radeon, apertures & memory mapping) Benjamin Herrenschmidt
2005-03-15 4:59 ` Michel Dänzer
2005-03-15 5:14 ` Jon Smirl
2005-03-15 6:01 ` Ville Syrjälä
2005-03-15 6:59 ` Benjamin Herrenschmidt
2005-03-15 14:00 ` Ville Syrjälä
2005-03-15 14:29 ` Jon Smirl
2005-03-15 17:25 ` Jan Gukelberger
2005-03-15 23:34 ` Benjamin Herrenschmidt
2005-03-15 8:51 ` Geert Uytterhoeven
2005-03-15 13:36 ` [Linux-fbdev-devel] " Ville Syrjälä
2005-03-15 23:33 ` Benjamin Herrenschmidt
2005-03-15 23:37 ` Antonino A. Daplas
2005-03-15 23:50 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-16 1:47 ` Ville Syrjälä
2005-03-16 1:51 ` Benjamin Herrenschmidt
2005-03-16 19:51 ` Ville Syrjälä
2005-03-16 21:00 ` Michel Dänzer
2005-03-16 21:07 ` Ville Syrjälä
2005-03-16 23:28 ` Benjamin Herrenschmidt
2005-03-16 23:53 ` Michel Dänzer
2005-03-16 23:25 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
[not found] ` <1110929582.25201.34.camel@gaston>
2005-03-16 5:21 ` Michel Dänzer
2005-03-16 6:31 ` Benjamin Herrenschmidt
2005-03-16 14:09 ` Ville Syrjälä
2005-03-16 16:48 ` Adam Jackson
2005-03-16 23:20 ` Benjamin Herrenschmidt
2005-03-15 11:30 ` Roland Scheidegger
2005-03-15 13:27 ` Ville Syrjälä
2005-03-15 17:17 ` Michel Dänzer
2005-03-16 3:09 ` Benjamin Herrenschmidt
2005-03-16 20:08 ` Ville Syrjälä
2005-03-16 20:42 ` [Linux-fbdev-devel] " Michel Dänzer
2005-03-16 23:26 ` Benjamin Herrenschmidt
2005-03-16 23:35 ` Jon Smirl
2005-03-17 0:06 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-16 20:58 ` Alex Deucher
2005-03-16 21:08 ` Ville Syrjälä
2005-03-16 21:17 ` Alex Deucher
2005-03-16 23:30 ` Benjamin Herrenschmidt
2005-03-17 0:47 ` Ville Syrjälä
2005-03-17 1:12 ` Benjamin Herrenschmidt
2005-03-17 1:25 ` Ville Syrjälä
2005-03-17 2:00 ` Benjamin Herrenschmidt
2005-03-17 9:08 ` Geert Uytterhoeven
2005-03-17 19:54 ` [Linux-fbdev-devel] " Ville Syrjälä
2005-03-15 22:44 ` Benjamin Herrenschmidt
2005-03-15 23:05 ` Ville Syrjälä
2005-03-15 23:49 ` Benjamin Herrenschmidt
2005-03-16 20:55 ` Ville Syrjälä
2005-03-16 23:27 ` Benjamin Herrenschmidt
2005-03-17 0:14 ` Ville Syrjälä
2005-03-17 0:28 ` Benjamin Herrenschmidt
2005-03-15 6:45 ` Benjamin Herrenschmidt
2005-03-15 5:30 ` Jon Smirl
2005-03-15 6:58 ` Benjamin Herrenschmidt
2005-03-15 21:58 ` Ian Romanick
2005-03-13 3:55 ` radeon, apertures & memory mapping Vladimir Dergachev
2005-03-13 6:44 ` Benjamin Herrenschmidt
2005-03-13 8:22 ` Ville Syrjälä
2005-03-13 9:20 ` Benjamin Herrenschmidt
2005-03-13 10:39 ` Ville Syrjälä
2005-03-13 12:04 ` Benjamin Herrenschmidt
2005-03-13 16:19 ` Jon Smirl
2005-03-13 17:47 ` Ville Syrjälä
2005-03-13 17:56 ` [Linux-fbdev-devel] " Jon Smirl
2005-03-13 21:52 ` Benjamin Herrenschmidt
2005-03-13 22:17 ` Jon Smirl
2005-03-13 22:41 ` Benjamin Herrenschmidt
2005-03-13 21:51 ` Benjamin Herrenschmidt
2005-03-13 21:49 ` Benjamin Herrenschmidt
2005-03-13 22:10 ` Jon Smirl
2005-03-13 22:20 ` Benjamin Herrenschmidt
2005-03-13 23:00 ` Jon Smirl
2005-03-13 23:11 ` Benjamin Herrenschmidt
2005-03-13 23:27 ` Ville Syrjälä
2005-03-13 23:48 ` Benjamin Herrenschmidt
2005-03-14 0:08 ` Ville Syrjälä
2005-03-14 0:10 ` Benjamin Herrenschmidt
2005-03-14 0:25 ` Jon Smirl
2005-03-14 0:39 ` Ville Syrjälä
2005-03-14 1:02 ` Benjamin Herrenschmidt
2005-03-14 0:54 ` Benjamin Herrenschmidt
2005-03-14 0:41 ` Paul Mackerras
2005-03-14 0:56 ` Ville Syrjälä
2005-03-14 1:05 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-14 1:47 ` Jon Smirl
2005-03-14 3:59 ` Benjamin Herrenschmidt
2005-03-14 4:07 ` Paul Mackerras
2005-03-14 4:40 ` Jon Smirl
2005-03-14 5:09 ` [Linux-fbdev-devel] " Benjamin Herrenschmidt
2005-03-14 16:30 ` Soeren Sandmann
2005-03-14 16:40 ` Ville Syrjälä
2005-03-14 21:54 ` Benjamin Herrenschmidt
2005-03-14 16:16 ` Ville Syrjälä
2005-03-14 21:27 ` Donnie Berkholz
2005-03-14 21:51 ` Benjamin Herrenschmidt
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