Embedded X

[Daniel Stone]

On Wed, Oct 15, 2008 at 04:22:57PM +0530, Kamalneet Singh wrote:
> Daniel Stone wrote:
> > On Tue, Oct 14, 2008 at 08:40:13AM +0100, John Tapsell wrote:
> >> 2008/10/14 Amit <pundiramit at gmail.com>:
> >>> Only building Xserver will be sufficient or do I have to build the
> >>> whole X11 package availbale at
> >>> http://xorg.freedesktop.org/releases/X11R7.2/src/ ?
> >> Why not just go for the full X11?  Memory wise I found no difference
> >> in the memory usage between X11 and kdrive on the OMAP.
> > 
> > Right, and future releases of Maemo will be using Xorg instead of
> > KDrive, for exactly that reason.
> 
> Thanks for the info. Will be nice if someone can quickly tell any pros
> and cons of using kdrive instead of Xorg, for embedded systems where we
> know the hardware at build time.

Pros: pretty much none.  Cons: it's not Xorg.

> Are there any performance differences between Xorg and kdrive? Is EXA
> better than KAA?

EXA is better than KAA, which is why KAA has been removed.

> The development effort of writing a new kdrive server (based on Xfbdev)
> vs writing Xorg driver for a new hardware? I guess kdrive is easier and
> cleaner, maybe because I'm not at all familiar with Xorg development.

There's actually not _too_ much difference, when you take into account
all the crap you need to hack to get KDrive to actually do anything
useful.

Cheers,
Daniel
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