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

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Date:	Wed, 21 Feb 2007 18:47:52 -0500
From:	"Jaya Kumar" <jayakumar.lkml@...il.com>
To:	linux-fbdev-devel@...ts.sourceforge.net
Cc:	"James Simmons" <jsimmons@...radead.org>,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Linux Kernel Development" <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org, "Paul Mundt" <lethal@...ux-sh.org>,
	"Geert Uytterhoeven" <geert@...ux-m68k.org>
Subject: Re: [Linux-fbdev-devel] [PATCH 2.6.20 1/1] fbdev, mm: hecuba/E-Ink fbdev driver

On 2/21/07, Antonino A. Daplas <adaplas@...il.com> wrote:
> On Wed, 2007-02-21 at 11:55 -0500, Jaya Kumar wrote:
> >
> > You are right. I will need that. I could put that into struct
> > fb_deferred_io. So drivers would setup like:
> >
>
> Is it also possible to let the drivers do the 'deferred_io'
> themselves?  Say, a driver that would flush the dirty pages on
> every VBLANK interrupt.

Yes, I think so. The deferred_io callback that the driver would get
would be to provide them with the dirty pages list. Then, they could
use that to handle the on-vblank work.

> > When the driver calls register_framebuffer and unregister_framebuffer,
> > I can then do the init and destruction of the other members of that
> > struct. Does this sound okay?
>
> It would be better if separate registering functions are created for
> this functionality (ie deferred_io_register/unregister).
>

Ok. Will do it that way.

Thanks,
jaya
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