From: Paul Mundt <lethal@linux-sh.org>
To: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: linux-mm@kvack.org, linux-fbdev-devel@lists.sourceforge.net,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.20 1/1] fbdev, mm: hecuba/E-Ink fbdev driver
Date: Sat, 17 Feb 2007 22:59:22 +0900 [thread overview]
Message-ID: <20070217135922.GA15373@linux-sh.org> (raw)
In-Reply-To: <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com>
On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <a.p.zijlstra@chello.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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WARNING: multiple messages have this Message-ID (diff)
From: Paul Mundt <lethal@linux-sh.org>
To: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-fbdev-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2.6.20 1/1] fbdev,mm: hecuba/E-Ink fbdev driver
Date: Sat, 17 Feb 2007 22:59:22 +0900 [thread overview]
Message-ID: <20070217135922.GA15373@linux-sh.org> (raw)
In-Reply-To: <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com>
On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <a.p.zijlstra@chello.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.
WARNING: multiple messages have this Message-ID (diff)
From: Paul Mundt <lethal@linux-sh.org>
To: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-fbdev-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2.6.20 1/1] fbdev,mm: hecuba/E-Ink fbdev driver
Date: Sat, 17 Feb 2007 22:59:22 +0900 [thread overview]
Message-ID: <20070217135922.GA15373@linux-sh.org> (raw)
In-Reply-To: <45a44e480702170525n9a15fafpb370cb93f1c1fcba@mail.gmail.com>
On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <a.p.zijlstra@chello.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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next prev parent reply other threads:[~2007-02-17 14:01 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-17 10:42 [PATCH 2.6.20 1/1] fbdev, mm: hecuba/E-Ink fbdev driver Jaya Kumar
2007-02-17 10:42 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-17 10:42 ` Jaya Kumar
2007-02-17 12:34 ` Peter Zijlstra
2007-02-17 12:34 ` Peter Zijlstra
2007-02-17 13:25 ` [PATCH 2.6.20 1/1] fbdev, mm: " Jaya Kumar
2007-02-17 13:25 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-17 13:25 ` Jaya Kumar
2007-02-17 13:59 ` Paul Mundt [this message]
2007-02-17 13:59 ` Paul Mundt
2007-02-17 13:59 ` Paul Mundt
2007-02-18 11:31 ` [PATCH 2.6.20 1/1] fbdev, mm: " Jaya Kumar
2007-02-18 11:31 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-18 11:31 ` Jaya Kumar
2007-02-18 23:57 ` [PATCH 2.6.20 1/1] fbdev, mm: " Paul Mundt
2007-02-18 23:57 ` [PATCH 2.6.20 1/1] fbdev,mm: " Paul Mundt
2007-02-18 23:57 ` Paul Mundt
2007-02-20 4:13 ` [PATCH 2.6.20 1/1] fbdev, mm: " Jaya Kumar
2007-02-20 4:13 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-20 4:13 ` Jaya Kumar
2007-02-20 4:38 ` [PATCH 2.6.20 1/1] fbdev, mm: " Paul Mundt
2007-02-20 4:38 ` [PATCH 2.6.20 1/1] fbdev,mm: " Paul Mundt
2007-02-20 4:38 ` Paul Mundt
2007-02-20 6:11 ` [PATCH 2.6.20 1/1] fbdev, mm: " Jaya Kumar
2007-02-20 6:11 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-20 6:11 ` Jaya Kumar
2007-02-21 16:46 ` [PATCH 2.6.20 1/1] fbdev, mm: " Jaya Kumar
2007-02-21 16:46 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-21 16:46 ` Jaya Kumar
2007-02-20 8:07 ` [PATCH 2.6.20 1/1] fbdev, mm: " Geert Uytterhoeven
2007-02-20 8:07 ` [PATCH 2.6.20 1/1] fbdev,mm: " Geert Uytterhoeven
2007-02-20 8:07 ` Geert Uytterhoeven
2007-02-21 16:55 ` Jaya Kumar
2007-02-21 16:55 ` Jaya Kumar
2007-02-21 21:52 ` [PATCH 2.6.20 1/1] fbdev, mm: " James Simmons
2007-02-21 21:52 ` [PATCH 2.6.20 1/1] fbdev,mm: " James Simmons
2007-02-21 21:52 ` James Simmons
2007-02-21 23:22 ` [PATCH 2.6.20 1/1] fbdev, mm: " Jaya Kumar
2007-02-21 23:22 ` [PATCH 2.6.20 1/1] fbdev,mm: " Jaya Kumar
2007-02-21 23:22 ` Jaya Kumar
2007-02-28 16:50 ` [Linux-fbdev-devel] [PATCH 2.6.20 1/1] fbdev, mm: " James Simmons
2007-02-28 16:50 ` James Simmons
2007-02-21 23:43 ` Antonino A. Daplas
2007-02-21 23:43 ` [Linux-fbdev-devel] " Antonino A. Daplas
2007-02-21 23:43 ` Antonino A. Daplas
2007-02-21 23:47 ` Jaya Kumar
2007-02-21 23:47 ` [Linux-fbdev-devel] " Jaya Kumar
2007-02-21 23:47 ` Jaya Kumar
2007-02-21 23:43 ` Antonino A. Daplas
2007-02-21 23:43 ` [Linux-fbdev-devel] " Antonino A. Daplas
2007-02-21 23:43 ` Antonino A. Daplas
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