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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

  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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