> I'm not sure I understand. What the current implementation does is to
> use host based framebuffer memory. Apps mmap that memory and draw to
> that. Then after the delay, that framebuffer is written to the
> device's memory. That's the scenario for hecubafb where the Apollo
> controller maintain
On 2/21/07, Antonino A. Daplas <[EMAIL PROTECTED]> 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
On Wed, 2007-02-21 at 11:55 -0500, Jaya Kumar wrote:
> On 2/20/07, Geert Uytterhoeven <[EMAIL PROTECTED]> wrote:
> > Don't you need a way to specify the maximum deferral time? E.g. a field in
> > fb_info.
> >
>
> You are right. I will need that. I could put that into struct
> fb_deferred_io. So d
On Mon, 2007-02-19 at 23:13 -0500, Jaya Kumar wrote:
> On 2/18/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
> > Given that, this would have to be something that's dealt with at the
> > subsystem level rather than in individual drivers, hence the desire to
> > see something like this more generically
On 2/21/07, James Simmons <[EMAIL PROTECTED]> wrote:
Could you make it work without the framebuffer. There are embedded LCD
displays that have internal memory that need data flushed to them.
I'm not sure I understand. What the current implementation does is to
use host based framebuffer memor
Could you make it work without the framebuffer. There are embedded LCD
displays that have internal memory that need data flushed to them.
On Wed, 21 Feb 2007, Jaya Kumar wrote:
> On 2/20/07, Geert Uytterhoeven <[EMAIL PROTECTED]> wrote:
> > Don't you need a way to specify the maximum deferral t
On 2/20/07, Geert Uytterhoeven <[EMAIL PROTECTED]> wrote:
Don't you need a way to specify the maximum deferral time? E.g. a field in
fb_info.
You are right. I will need that. I could put that into struct
fb_deferred_io. So drivers would setup like:
static struct fb_deferred_io hecubafb_defio
On 2/20/07, Jaya Kumar <[EMAIL PROTECTED]> wrote:
On 2/19/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
> That works for me, though I'd prefer for struct page_list to be done with
> a scatterlist, then it's trivial to setup from the workqueue context
> without having to shuffle things around.
>
Ok.
On Mon, 19 Feb 2007, Jaya Kumar wrote:
> On 2/18/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
> > Given that, this would have to be something that's dealt with at the
> > subsystem level rather than in individual drivers, hence the desire to
> > see something like this more generically visible.
> >
>
On 2/19/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
On Mon, Feb 19, 2007 at 11:13:04PM -0500, Jaya Kumar wrote:
>
> Ok. Here's what I'm thinking for abstracting this:
>
> fbdev drivers would setup fb_mmap with their own_mmap as usual. In
> own_mmap, they would do what they normally do and setup a v
On Mon, Feb 19, 2007 at 11:13:04PM -0500, Jaya Kumar wrote:
> On 2/18/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
> >Given that, this would have to be something that's dealt with at the
> >subsystem level rather than in individual drivers, hence the desire to
> >see something like this more generical
On 2/18/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
Given that, this would have to be something that's dealt with at the
subsystem level rather than in individual drivers, hence the desire to
see something like this more generically visible.
Hi Peter, Paul, fbdev folk,
Ok. Here's what I'm think
On Sun, Feb 18, 2007 at 06:31:23AM -0500, Jaya Kumar wrote:
> On 2/17/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
> >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 wou
On 2/17/07, Paul Mundt <[EMAIL PROTECTED]> wrote:
On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> >And, as Andrew suggested last time around, could you perhaps push this
> >fancy new idea into the FB layer so that more drivers
On Sat, Feb 17, 2007 at 08:25:07AM -0500, Jaya Kumar wrote:
> On 2/17/07, Peter Zijlstra <[EMAIL PROTECTED]> 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
On 2/17/07, Peter Zijlstra <[EMAIL PROTECTED]> wrote:
On Sat, 2007-02-17 at 11:42 +0100, Jaya Kumar wrote:
> Hi James, Geert, lkml and mm,
Hi Jaya,
> This patch adds support for the Hecuba/E-Ink display with deferred IO.
> The changes from the previous version are to switch to using a mutex
> a
On Sat, 2007-02-17 at 11:42 +0100, Jaya Kumar wrote:
> Hi James, Geert, lkml and mm,
Hi Jaya,
> This patch adds support for the Hecuba/E-Ink display with deferred IO.
> The changes from the previous version are to switch to using a mutex
> and lock_page. I welcome your feedback and advice.
This
Hi James, Geert, lkml and mm,
This patch adds support for the Hecuba/E-Ink display with deferred IO.
The changes from the previous version are to switch to using a mutex
and lock_page. I welcome your feedback and advice.
Signed-off-by: Jaya Kumar <[EMAIL PROTECTED]>
---
drivers/video/Kconfig
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