linux-kernel - Re: [PATCH 2.6.20 1/1] fbdev,mm: hecuba/E-Ink fbdev driver

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Message-ID: <20070217135922.GA15373@linux-sh.org>
Date:	Sat, 17 Feb 2007 22:59:22 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Jaya Kumar <jayakumar.lkml@...il.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-fbdev-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 2.6.20 1/1] fbdev,mm: hecuba/E-Ink fbdev driver

On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> >And, as Andrew suggested last time around, could you perhaps push this
> >fancy new idea into the FB layer so that more drivers can make us of it?
> 
> I would like to do that very much. I have some ideas how it could work
> for devices that support clean partial updates by tracking touched
> pages. But I wonder if it is too early to try to abstract this out.
> James, Geert, what do you think?
> 
This would also provide an interesting hook for setting up chained DMA
for the real framebuffer updates when there's more than a couple of pages
that have been touched, which would also be nice to have. There's more
than a few drivers that could take advantage of that.
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