From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: "Dave Airlie" <airlied@linux.ie>,
"Michel Dänzer" <michel@daenzer.net>,
"Felix Kühling" <fxkuehl@gmx.de>,
"DRI Devel" <dri-devel@lists.sourceforge.net>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: radeon-pre-2
Date: Sat, 11 Sep 2004 17:23:51 +0100 [thread overview]
Message-ID: <1094919683.21082.121.camel@localhost.localdomain> (raw)
In-Reply-To: <9e47339104091109463694ffd3@mail.gmail.com>
On Sad, 2004-09-11 at 17:46, Jon Smirl wrote:
> User 1's game queues up 20ms of 3D drawing commands.
> Process swap to user 2. ->quiesce() is going to take 20ms.
> User 2's timeslice expires and we go back to user 1.
> User 1 queues up another 20ms.
>
> User 2's editor is never going to function.
If you implement it wrongly sure. If you implemented it right then
this occurs.
User 1 queues 20 ms of 3D commands
User 1 is pre-empted
User 2 wants the 2D engine
User 2 beings wait for 2D
User 2 sleeps
User 1 wakes
User 1 beings wait for 3D but discovers a claim is in progress
User 1 sleeps
User 2 wakes, runs commands
If you have DRI loaded then as you rightly say the obvious desired
outcome is that the fb engine either turns acceleration off or switches
to using the DRI layer.
But this is a pretty obscure case, and one we can't even begin to
support yet anyway.
next prev parent reply other threads:[~2004-09-11 17:27 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E3389AF2-0272-11D9-A8D1-000A95F07A7A@fs.ei.tum.de>
[not found] ` <DA459966-02B9-11D9-A8D1-000A95F07A7A@fs.ei.tum.de>
[not found] ` <9e47339104090917353554a586@mail.gmail.com>
[not found] ` <Pine.LNX.4.58.0409100209100.32064@skynet>
[not found] ` <9e47339104090919015b5b5a4d@mail.gmail.com>
[not found] ` <20040910153135.4310c13a.felix@trabant>
[not found] ` <9e47339104091008115b821912@mail.gmail.com>
[not found] ` <1094829278.17801.18.camel@localhost.localdomain>
[not found] ` <9e4733910409100937126dc0e7@mail.gmail.com>
[not found] ` <1094832031.17883.1.camel@localhost.localdomain>
2004-09-10 17:22 ` radeon-pre-2 Jon Smirl
2004-09-10 17:04 ` radeon-pre-2 Alan Cox
2004-09-10 18:40 ` radeon-pre-2 Jon Smirl
2004-09-10 22:19 ` radeon-pre-2 Dave Airlie
2004-09-10 22:00 ` radeon-pre-2 Alan Cox
2004-09-10 23:24 ` radeon-pre-2 Dave Airlie
2004-09-11 7:40 ` radeon-pre-2 Geert Uytterhoeven
2004-09-11 8:42 ` radeon-pre-2 Keith Whitwell
2004-09-11 13:59 ` radeon-pre-2 Alan Cox
2004-09-11 0:47 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 8:43 ` radeon-pre-2 Keith Whitwell
2004-09-11 12:23 ` radeon-pre-2 Mike Mestnik
2004-09-11 15:39 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 14:14 ` radeon-pre-2 Alan Cox
2004-09-11 0:50 ` radeon-pre-2 Dave Airlie
2004-09-11 3:30 ` radeon-pre-2 Michel Dänzer
2004-09-11 5:19 ` radeon-pre-2 Dave Airlie
2004-09-11 6:12 ` radeon-pre-2 Michel Dänzer
2004-09-11 7:11 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 14:36 ` radeon-pre-2 Alan Cox
2004-09-11 15:53 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 15:14 ` radeon-pre-2 Alan Cox
2004-09-11 17:10 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 16:20 ` radeon-pre-2 Alan Cox
2004-09-11 17:49 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 17:59 ` radeon-pre-2 Jon Smirl
2004-09-11 18:05 ` radeon-pre-2 Vladimir Dergachev
2004-09-11 18:09 ` radeon-pre-2 Jon Smirl
2004-09-12 1:55 ` radeon-pre-2 Mike Mestnik
2004-09-11 9:20 ` radeon-pre-2 Antonino A. Daplas
2004-09-11 14:40 ` radeon-pre-2 Alan Cox
2004-09-11 16:34 ` radeon-pre-2 Jon Smirl
2004-09-11 14:33 ` radeon-pre-2 Alan Cox
2004-09-11 16:46 ` radeon-pre-2 Jon Smirl
2004-09-11 16:21 ` radeon-pre-2 Alan Cox
2004-09-11 17:27 ` radeon-pre-2 Jon Smirl
2004-09-13 11:40 ` radeon-pre-2 Keith Whitwell
2004-09-11 19:10 ` radeon-pre-2 Hamie
2004-09-11 23:20 ` radeon-pre-2 Alan Cox
2004-09-12 9:13 ` radeon-pre-2 Geert Uytterhoeven
2004-09-12 11:36 ` radeon-pre-2 Hamie
2004-09-12 17:31 ` radeon-pre-2 Alan Cox
2004-09-11 16:23 ` Alan Cox [this message]
2004-09-11 14:25 ` radeon-pre-2 Alan Cox
2004-09-12 22:42 ` radeon-pre-2 Dave Airlie
2004-09-12 23:03 ` radeon-pre-2 Linus Torvalds
2004-09-13 0:27 ` radeon-pre-2 Michel Dänzer
2004-09-13 0:45 ` radeon-pre-2 Vladimir Dergachev
2004-09-13 0:52 ` radeon-pre-2 Michel Dänzer
2004-09-13 14:52 ` radeon-pre-2 Vladimir Dergachev
2004-09-13 13:57 ` radeon-pre-2 Alan Cox
2004-09-13 15:20 ` radeon-pre-2 Vladimir Dergachev
2004-09-13 15:07 ` radeon-pre-2 Alan Cox
2004-09-13 15:20 ` radeon-pre-2 Linus Torvalds
2004-09-13 19:21 ` radeon-pre-2 Alex Deucher
2004-09-13 20:42 ` radeon-pre-2 David Bronaugh
2004-09-13 21:57 ` radeon-pre-2 Alex Deucher
2004-09-13 16:26 ` radeon-pre-2 Michel Dänzer
2004-09-13 6:05 ` radeon-pre-2 Alex Deucher
2004-09-13 16:29 ` radeon-pre-2 Michel Dänzer
2004-09-13 6:41 ` radeon-pre-2 Arjan van de Ven
2004-09-13 11:26 ` radeon-pre-2 Alan Cox
2004-09-13 15:06 ` radeon-pre-2 Jon Smirl
2004-09-13 15:04 ` radeon-pre-2 Alan Cox
2004-09-13 16:28 ` radeon-pre-2 Jon Smirl
2004-09-13 16:43 ` radeon-pre-2 Alan Cox
2004-09-13 18:11 ` radeon-pre-2 Jon Smirl
2004-09-13 18:49 ` radeon-pre-2 Jesse Barnes
2004-09-13 22:17 ` radeon-pre-2 Antonino A. Daplas
2004-09-13 17:50 ` radeon-pre-2 Jon Smirl
2004-09-14 10:27 ` radeon-pre-2 Alan Cox
2004-09-11 8:38 ` radeon-pre-2 Keith Whitwell
2004-09-10 23:10 ` radeon-pre-2 Jon Smirl
2004-09-10 22:17 ` radeon-pre-2 Alan Cox
2004-09-11 12:27 ` radeon-pre-2 Christoph Hellwig
2004-09-11 12:49 ` radeon-pre-2 Mike Mestnik
2004-09-11 16:45 ` radeon-pre-2 Christoph Hellwig
2004-09-11 16:11 ` radeon-pre-2 Jon Smirl
2004-09-11 16:45 ` radeon-pre-2 Christoph Hellwig
2004-09-11 17:02 ` radeon-pre-2 Linus Torvalds
2004-09-11 16:18 ` radeon-pre-2 Alan Cox
2004-09-11 17:49 ` radeon-pre-2 Linus Torvalds
2004-09-11 17:13 ` radeon-pre-2 Jon Smirl
2004-09-11 16:23 ` radeon-pre-2 Alan Cox
2004-09-11 17:41 ` radeon-pre-2 Linus Torvalds
2004-09-11 17:57 ` radeon-pre-2 Michel Dänzer
2004-09-11 20:29 ` radeon-pre-2 Eric Anholt
2004-09-11 21:41 ` radeon-pre-2 Jon Smirl
2004-09-11 17:54 ` radeon-pre-2 Jon Smirl
2004-09-11 18:13 ` radeon-pre-2 Linus Torvalds
2004-09-11 21:02 ` radeon-pre-2 Jon Smirl
2004-09-11 21:06 ` radeon-pre-2 Christoph Hellwig
2004-09-11 21:37 ` radeon-pre-2 Jon Smirl
2004-09-11 23:23 ` radeon-pre-2 Alan Cox
2004-09-12 7:12 ` radeon-pre-2 Eric Anholt
2004-09-12 0:21 ` radeon-pre-2 Jon Smirl
2004-09-12 0:28 ` radeon-pre-2 Linus Torvalds
2004-09-12 23:53 ` radeon-pre-2 Dave Airlie
2004-09-11 18:17 ` radeon-pre-2 Vladimir Dergachev
2004-09-10 17:12 ` radeon-pre-2 Alan Cox
[not found] ` <1094853894.18235.17.camel@localhost.localdomain>
2004-09-11 2:20 ` radeon-pre-2 Jon Smirl
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