[PATCH] Ensure blitter quiescience before reading pixels from the framebuffer

[Daniel Stone]

On Thu, Aug 02, 2007 at 12:47:58PM +0200, Bernardo Innocenti wrote:
> Daniel Stone wrote:
> > Not really (and not that the OLPC is at all embedded: it's a laptop in
> > both physical and power profile).  On the N800, at least, the CPU is
> > vastly ahead of what the in-built GPU can do, and we don't see that
> > changing at all further down the track, until we start using the PowerVR
> > 3D core.
> 
> I had the opportunity to play with an N800 just yesterday.  Graphics
> and user interface feels much snappier than the OLPC.
> 
> May be partly because of the lower resolution, but I'm surprised,
> considering that the OMAP2 should be a bit slower than the Geode LX.

Depends.  Some things (e.g. memory access) are far slower than you'd
expect, but overall, we have spare CPU cycles.

> I don't know much about the N800.  Is the X server kdrive based?
> Does the GTK theme use Cairo?

Yes, it's a custom KDrive server, and no, it does not use Cairo (the
released images are still on GTK+ 2.6).

Cheers,
Daniel
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