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From: Dave Airlie <airlied@linux.ie>
To: Christoph Hellwig <hch@infradead.org>
Cc: Jon Smirl <jonsmirl@yahoo.com>,
	dri-devel@lists.sf.net, linux-kernel@vger.kernel.org
Subject: Re: New proposed DRM interface design
Date: Sat, 4 Sep 2004 10:43:39 +0100 (IST)	[thread overview]
Message-ID: <Pine.LNX.4.58.0409041031370.25475@skynet> (raw)
In-Reply-To: <20040904102914.B13149@infradead.org>

>
> Umm, the Linux kernel isn't about minimizing interfaces.  We don't link a
> copy of scsi helpers into each scsi driver either, or libata into each sata
> driver.

true but the DRM isn't only about the Linux kernel, the DRM is a lowlevel
component of a much larger system, of which the DRM just has to reside in
the kernel,

While I agree the perfcet solution is to introduce another binary
interface, but no-one on the dri-devel list is willing to dedicate most of
their time for the next age answering questions like "well I upgraded my
r200 driver, and my mga stopped working, and the ATI binary driver killed
my dog when I changed something else", Ian has pointed this out on the
dri-devel list as a major issue and to be honest he is not alone in his
worries, if make the kernel responsible for the registration/de-reg only
then build everything else in the drivers, we don't have to worry about
someone adding a line to the middle of a structure and breaking the
modules from somewhere else.. not many people have two different graphics
cards and I'd rather inconvience them than increase support burden..

We go through this with the DRI/DRM/DDX interfaces on a number of
occasions.. also the debacle of the i810 interface changes way back when..
I'd rather avoid it all at this stage.. again we are trying to find an
agreeable balancing point...

Dave.

-- 
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DECstation / Linux VAX / ILUG person


  reply	other threads:[~2004-09-04  9:43 UTC|newest]

Thread overview: 111+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-04  0:12 Dave Airlie
2004-09-04  0:44 ` Jon Smirl
2004-09-04  0:51   ` Dave Airlie
2004-09-04  1:20     ` Jon Smirl
2004-09-04  4:58       ` Dave Airlie
2004-09-04  9:29     ` Christoph Hellwig
2004-09-04  9:43       ` Dave Airlie [this message]
2004-09-04  9:47         ` Christoph Hellwig
2004-09-04  9:48         ` Arjan van de Ven
2004-09-04  9:50           ` Christoph Hellwig
2004-09-04  9:45       ` Keith Whitwell
2004-09-04  9:48         ` Christoph Hellwig
2004-09-04 10:23           ` Keith Whitwell
2004-09-04 10:25             ` Christoph Hellwig
2004-09-04 10:30               ` Keith Whitwell
2004-09-04 10:44                 ` Nick Piggin
2004-09-04 10:54                   ` Dave Airlie
2004-09-04 11:17                     ` Dave Jones
2004-09-04 12:58                     ` Sam Ravnborg
2004-09-04 21:06                     ` Lee Revell
2004-09-05 10:14                     ` Donnie Berkholz
2004-09-04 10:57                   ` Keith Whitwell
2004-09-04 11:03                 ` Christoph Hellwig
2004-09-04 11:12                   ` Dave Airlie
2004-09-04 11:13                     ` Christoph Hellwig
2004-09-04 11:24                       ` Dave Airlie
2004-09-04 11:26                         ` Christoph Hellwig
2004-09-04 21:34                           ` Lee Revell
2004-09-04 22:41                             ` viro
2004-09-04 23:33                               ` Lee Revell
2004-09-05  2:10                             ` Horst von Brand
2004-09-05  3:42                               ` Lee Revell
2004-09-04 11:42                     ` Dave Jones
2004-09-04 11:50                       ` Keith Whitwell
2004-09-04 21:35                       ` Lee Revell
2004-09-04 22:06                         ` Dave Airlie
2004-09-05 12:00                           ` Alan Cox
2004-09-04 11:18                   ` Keith Whitwell
2004-09-04 11:20                     ` Christoph Hellwig
2004-09-04 11:30                       ` Keith Whitwell
2004-09-04 11:33                         ` Christoph Hellwig
2004-09-04 11:44                           ` Keith Whitwell
2004-09-04 11:29                 ` Dave Jones
2004-09-04 11:41                   ` Keith Whitwell
2004-09-04 11:46                     ` Christoph Hellwig
2004-09-04 12:04                       ` Dave Airlie
2004-09-04 12:10                         ` Dave Jones
2004-09-04 12:35                           ` Keith Whitwell
2004-09-04 12:25                         ` Christoph Hellwig
2004-09-04 21:45                           ` Lee Revell
2004-09-04 16:39                         ` Alan Cox
2004-09-04 11:54                     ` Dave Jones
2004-09-04 12:08                       ` Keith Whitwell
2004-09-04 12:17                         ` Dave Airlie
2004-09-04 12:21                           ` Christoph Hellwig
2004-09-04 12:32                             ` Dave Airlie
2004-09-04 12:30                           ` Arjan van de Ven
2004-09-04 12:36                             ` Dave Airlie
2004-09-04 22:17                               ` Dave Airlie
2004-09-04 22:21                                 ` Christoph Hellwig
2004-09-04 23:08                                 ` Felix Kühling
2004-09-04 12:20                         ` Dave Jones
2004-09-04 13:52                           ` Keith Whitwell
2004-09-04 15:36                             ` Jon Smirl
2004-09-04 15:56                               ` Dieter Nützel
2004-09-04 17:43                               ` Keith Whitwell
2004-09-04 18:03                                 ` Jon Smirl
2004-09-05 12:07                                   ` Alan Cox
2004-09-05 15:05                                     ` Jon Smirl
2004-09-05 14:15                                       ` Alan Cox
2004-09-05 15:33                                         ` Jon Smirl
2004-09-05 14:44                                           ` Alan Cox
2004-09-05 14:58                                             ` Alan Cox
2004-09-05 16:05                                             ` Jon Smirl
2004-09-05 15:13                                               ` Alan Cox
2004-09-07  8:43                                               ` Helge Hafting
2004-09-07 14:04                                                 ` Jon Smirl
2004-09-08 11:09                                                   ` Helge Hafting
2004-09-06  6:06                                           ` Ryan Underwood
2004-09-05 15:31                                       ` Alan Cox
2004-09-05 17:27                                         ` Jesse Barnes
2004-09-05 21:12                                         ` Jon Smirl
2004-09-05 20:53                                           ` Alan Cox
2004-09-05 22:11                                             ` Jon Smirl
2004-09-05 22:59                                               ` Alan Cox
2004-09-06 20:58                                                 ` Hamie
2004-09-06 20:15                                                   ` Alan Cox
2004-09-06 21:38                                                     ` Hamie
2004-09-06 21:47                                                       ` Jon Smirl
2004-09-06 22:18                                                     ` Patrick McFarland
2004-09-07 19:21       ` Ian Romanick
2004-09-04  0:54 ` Alex Deucher
2004-09-04  0:59   ` Dave Airlie
2004-09-04  1:25     ` Jon Smirl
2004-09-04 19:03       ` Alex Deucher
2004-09-04  3:51     ` Jon Smirl
2004-09-04  4:52       ` Dave Airlie
2004-09-04  6:04         ` Jon Smirl
2004-09-04  7:36           ` Keith Whitwell
2004-09-04  7:53             ` Dave Airlie
2004-09-04  8:25               ` Keith Whitwell
2004-09-04  8:37                 ` Dave Airlie
2004-09-04  9:02                   ` Keith Whitwell
2004-09-04 16:01             ` Jon Smirl
2004-09-04 17:44               ` Keith Whitwell
2004-09-04  7:52           ` Dave Airlie
2004-09-04 15:46             ` Jon Smirl
     [not found]           ` <2191E8A1-FE89-11D8-BFDA-000A95F07A7A@fs.ei.tum.de>
2004-09-04 15:59             ` Jon Smirl
2004-09-04 21:35               ` Eric Anholt
2004-09-07 21:01               ` Ian Romanick
2004-09-04  9:27 ` Christoph Hellwig

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