linux-kernel - Re: Proposal for a low-level Linux display framework

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Message-ID: <20110916141719.GD2873@phenom.ffwll.local>
Date:	Fri, 16 Sep 2011 16:17:19 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Keith Packard <keithp@...thp.com>
Cc:	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org, linaro-dev@...ts.linaro.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	Archit Taneja <archit@...com>, "Clark, Rob" <rob@...com>
Subject: Re: Proposal for a low-level Linux display framework

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@...ll.ch
Mobile: +41 (0)79 365 57 48
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