From: Daniel Vetter <daniel@ffwll.ch>
To: Keith Packard <keithp@keithp.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
linux-fbdev@vger.kernel.org, linaro-dev@lists.linaro.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Archit Taneja <archit@ti.com>, "Clark, Rob" <rob@ti.com>
Subject: Re: Proposal for a low-level Linux display framework
Date: Fri, 16 Sep 2011 14:17:19 +0000 [thread overview]
Message-ID: <20110916141719.GD2873@phenom.ffwll.local> (raw)
In-Reply-To: <yunfwjxwbjq.fsf@aiko.keithp.com>
On Thu, Sep 15, 2011 at 07:55:37PM -0500, Keith Packard wrote:
> I suspect helper functions would be a good model to follow, rather than
> trying to create a whole new device infrastructure; some of the
> communication paths aren't easily separable from the underlying output
> devices.
This. Helper functions make the driver writers life so much easier - if
your hw doesn't quite fit the model, you can usually extend functionality
with much less fuzz than if there's a full framework. This is also pretty
much the reason, why I don't like ttm.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Vetter <daniel@ffwll.ch>
To: Keith Packard <keithp@keithp.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
linux-fbdev@vger.kernel.org, linaro-dev@lists.linaro.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Archit Taneja <archit@ti.com>, "Clark, Rob" <rob@ti.com>
Subject: Re: Proposal for a low-level Linux display framework
Date: Fri, 16 Sep 2011 16:17:19 +0200 [thread overview]
Message-ID: <20110916141719.GD2873@phenom.ffwll.local> (raw)
In-Reply-To: <yunfwjxwbjq.fsf@aiko.keithp.com>
On Thu, Sep 15, 2011 at 07:55:37PM -0500, Keith Packard wrote:
> I suspect helper functions would be a good model to follow, rather than
> trying to create a whole new device infrastructure; some of the
> communication paths aren't easily separable from the underlying output
> devices.
This. Helper functions make the driver writers life so much easier - if
your hw doesn't quite fit the model, you can usually extend functionality
with much less fuzz than if there's a full framework. This is also pretty
much the reason, why I don't like ttm.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2011-09-16 14:17 UTC|newest]
Thread overview: 143+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-15 12:07 Proposal for a low-level Linux display framework Tomi Valkeinen
2011-09-15 12:07 ` Tomi Valkeinen
2011-09-15 12:07 ` Tomi Valkeinen
2011-09-15 14:59 ` Keith Packard
2011-09-15 14:59 ` Keith Packard
2011-09-15 14:59 ` Keith Packard
2011-09-15 15:29 ` Tomi Valkeinen
2011-09-15 15:29 ` Tomi Valkeinen
2011-09-15 15:29 ` Tomi Valkeinen
2011-09-15 15:50 ` Keith Packard
2011-09-15 15:50 ` Keith Packard
2011-09-15 15:50 ` Keith Packard
2011-09-15 17:05 ` Alan Cox
2011-09-15 17:05 ` Alan Cox
2011-09-15 17:05 ` Alan Cox
2011-09-17 21:36 ` Laurent Pinchart
2011-09-17 21:36 ` Laurent Pinchart
2011-09-17 21:36 ` Laurent Pinchart
2011-09-15 17:12 ` Florian Tobias Schandinat
2011-09-15 17:12 ` Florian Tobias Schandinat
2011-09-15 17:18 ` Alan Cox
2011-09-15 17:18 ` Alan Cox
2011-09-15 17:18 ` Alan Cox
2011-09-15 17:47 ` Florian Tobias Schandinat
2011-09-15 17:47 ` Florian Tobias Schandinat
2011-09-15 19:05 ` Alan Cox
2011-09-15 19:05 ` Alan Cox
2011-09-15 19:05 ` Alan Cox
2011-09-15 19:46 ` Florian Tobias Schandinat
2011-09-15 19:46 ` Florian Tobias Schandinat
2011-09-15 21:31 ` Alan Cox
2011-09-15 21:31 ` Alan Cox
2011-09-15 21:31 ` Alan Cox
2011-09-15 17:52 ` Alex Deucher
2011-09-15 17:52 ` Alex Deucher
2011-09-15 17:56 ` Geert Uytterhoeven
2011-09-15 17:56 ` Geert Uytterhoeven
2011-09-15 18:04 ` Alex Deucher
2011-09-15 18:04 ` Alex Deucher
2011-09-15 18:04 ` Alex Deucher
2011-09-15 18:07 ` Corbin Simpson
2011-09-15 18:07 ` Corbin Simpson
2011-09-15 18:39 ` Florian Tobias Schandinat
2011-09-15 18:58 ` Alan Cox
2011-09-15 18:58 ` Alan Cox
2011-09-15 18:58 ` Alan Cox
2011-09-15 19:18 ` Florian Tobias Schandinat
[not found] ` <4E724F93.1050203-Mmb7MZpHnFY@public.gmane.org>
2011-09-15 19:28 ` Alan Cox
2011-09-15 19:28 ` Alan Cox
2011-09-15 19:28 ` Alan Cox
2011-09-15 19:45 ` Alex Deucher
2011-09-15 19:45 ` Alex Deucher
2011-09-17 14:44 ` Felipe Contreras
2011-09-17 14:44 ` Felipe Contreras
2011-09-17 15:16 ` Rob Clark
2011-09-17 15:16 ` Rob Clark
2011-09-17 15:16 ` Rob Clark
2011-09-17 16:11 ` Florian Tobias Schandinat
2011-09-17 16:11 ` Florian Tobias Schandinat
2011-09-17 16:47 ` Dave Airlie
2011-09-17 16:47 ` Dave Airlie
2011-09-17 16:47 ` Dave Airlie
2011-09-17 18:15 ` Florian Tobias Schandinat
2011-09-17 18:23 ` Dave Airlie
2011-09-17 18:23 ` Dave Airlie
2011-09-17 18:23 ` Dave Airlie
2011-09-17 19:06 ` Florian Tobias Schandinat
2011-09-17 19:25 ` Corbin Simpson
2011-09-17 19:25 ` Corbin Simpson
2011-09-17 21:25 ` Alex Deucher
2011-09-17 21:25 ` Alex Deucher
2011-09-17 21:25 ` Alex Deucher
2011-09-17 20:25 ` Alan Cox
2011-09-17 20:25 ` Alan Cox
2011-09-17 20:25 ` Alan Cox
2011-10-31 20:24 ` Jesse Barnes
2011-10-31 20:24 ` Jesse Barnes
2011-09-17 16:50 ` Rob Clark
2011-09-17 16:50 ` Rob Clark
2011-09-16 4:53 ` Keith Packard
2011-09-16 4:53 ` Keith Packard
2011-09-16 4:53 ` Keith Packard
2011-09-17 23:12 ` Laurent Pinchart
2011-09-17 23:12 ` Laurent Pinchart
2011-09-17 23:12 ` Laurent Pinchart
2011-09-18 16:14 ` Rob Clark
2011-09-18 16:14 ` Rob Clark
2011-09-18 16:14 ` Rob Clark
2011-09-18 21:55 ` Laurent Pinchart
2011-09-18 21:55 ` Laurent Pinchart
2011-09-18 21:55 ` Laurent Pinchart
[not found] ` <201109180112.15896.laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
2011-09-18 22:23 ` Alan Cox
2011-09-18 22:23 ` Alan Cox
2011-09-18 22:23 ` Alan Cox
2011-09-19 0:09 ` Rob Clark
2011-09-19 0:09 ` Rob Clark
2011-09-20 23:32 ` Laurent Pinchart
2011-09-20 23:32 ` Laurent Pinchart
2011-09-15 18:12 ` Keith Packard
2011-09-15 18:12 ` Keith Packard
2011-09-15 18:12 ` Keith Packard
2011-10-01 17:30 ` Enrico Weigelt
2011-09-15 17:21 ` Tomi Valkeinen
2011-09-15 17:21 ` Tomi Valkeinen
2011-09-15 18:32 ` Rob Clark
2011-09-15 18:32 ` Rob Clark
2011-09-15 18:32 ` Rob Clark
2011-09-16 0:55 ` Keith Packard
2011-09-16 0:55 ` Keith Packard
2011-09-16 0:55 ` Keith Packard
2011-09-16 6:38 ` Tomi Valkeinen
2011-09-16 6:38 ` Tomi Valkeinen
2011-09-16 14:17 ` Daniel Vetter [this message]
2011-09-16 14:17 ` Daniel Vetter
2011-09-16 16:53 ` Alan Cox
2011-09-16 16:53 ` Alan Cox
2011-09-16 16:53 ` Alan Cox
2011-09-19 6:33 ` Tomi Valkeinen
2011-09-19 6:33 ` Tomi Valkeinen
2011-09-19 6:53 ` Keith Packard
2011-09-19 6:53 ` Keith Packard
2011-09-19 6:53 ` Keith Packard
2011-09-19 7:29 ` Tomi Valkeinen
2011-09-19 7:29 ` Tomi Valkeinen
2011-09-20 8:29 ` Patrik Jakobsson
2011-09-20 8:29 ` Patrik Jakobsson
2011-09-20 8:29 ` Patrik Jakobsson
2011-09-20 15:55 ` Keith Packard
2011-09-20 15:55 ` Keith Packard
2011-09-20 15:55 ` Keith Packard
2011-09-20 21:20 ` Patrik Jakobsson
2011-09-20 21:20 ` Patrik Jakobsson
2011-09-21 6:01 ` Tomi Valkeinen
2011-09-21 6:01 ` Tomi Valkeinen
2011-09-21 18:07 ` Patrik Jakobsson
2011-09-21 18:07 ` Patrik Jakobsson
2011-09-21 18:07 ` Patrik Jakobsson
2011-10-01 17:34 ` Enrico Weigelt
2011-09-15 15:03 ` Kyungmin Park
2011-09-15 15:03 ` Kyungmin Park
2011-09-21 13:26 ` Heiko Stübner
2011-09-21 13:26 ` Heiko Stübner
2011-10-01 16:52 ` Enrico Weigelt
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