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

From: Paul Mundt
Date: Sat Feb 17 2007 - 09:01:56 EST

On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> 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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