[PATCH] i.MX23/28 framebuffer driver

Jammy Zhou jammy.zhou at linaro.org
Wed Feb 16 20:24:37 EST 2011


There is already one KMS abstraction layer (libkms.so) in libdrm, maybe it
can serve as what we needed.

Regards,
Jammy

On Thu, Feb 17, 2011 at 9:08 AM, Clark, Rob <rob at ti.com> wrote:

> I'm still in the learning-as-I-go phase here, so definitely not ready
> to propose a solution, but it does seem to me like there is room for
> some sort of kms-helper library here to handle more of the boilerplate
> xf86-video-* stuff..  I guess I'll have a better picture once I have a
> chance to add support for the various multi-monitor configurations.
> But certainly would be interested if anyone already has some ideas.
>
> BR,
> -R
>
> On Wed, Feb 16, 2011 at 8:42 AM, Jesse Barker <jesse.barker at linaro.org>
> wrote:
> > Speaking for the Linaro graphics working group, I think it's great.  And,
> I
> > think you're right, that if enough of the KMS support in xf86-video-* is
> > similar enough (I was only aware of intel and nouveau supporting it
> properly
> > at current), pulling it out into a common layer would make it easier to
> > support in new drivers (including fbdev).
> >
> > cheers,
> > Jesse
> >
> > On Wed, Feb 16, 2011 at 4:22 AM, Arnd Bergmann <arnd at arndb.de> wrote:
> >>
> >> On Tuesday 15 February 2011, Clark, Rob wrote:
> >> > I'd been experimenting a bit on the side w/ the DRM driver framework (
> >> >
> >> >
> http://gitorious.com/~robclark/pandaboard/robclarks-kernel-omap4/commits/omap_gpu
> >> > ), but had to add a good chunk of mostly boilerplate code to our xorg
> >> > driver in order just to test it.  Maybe some generic support for KMS
> >> > in xf86-video-fbdev would have made this easier to develop the kernel
> >> > part without in parallel having to implement the userspace part.  I'm
> >> > not sure if this is the sort of thing the linaro-wg has in mind?
> >>
> >> I'm not sure what the the linaro multimedia wg thinks of this, but the
> >> kernel code you linked looks like it's doing exactly the right thing.
> >>
> >>        Arnd
> >>
> >> _______________________________________________
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> >> linaro-dev at lists.linaro.org
> >> http://lists.linaro.org/mailman/listinfo/linaro-dev
> >
> >
>
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