On Tue, 4 Mar 2008 12:36:34 +0100 Dodji Seketeli <[EMAIL PROTECTED]> babbled:
> Hello, > > In my email > http://lists.openmoko.org/pipermail/openmoko-devel/2008-February/001975.html, > I talked about my attempts of using DMA to move pixmap from system ram > to video ram. The problem I was hitting is that I needed to first move > the pixmap data into an offscreen buffer into video ram and then use > the glamo blitter to actually blit the pixmap to the visible are of the > video ram where it belongs. The problem with using the blitter from > within the kernel was that I needed to add support for the glamo > command processor to the kernel and make Xglamo delegate the command > processor initialisation to the kernel. > > So I have a patch set for that now. These are attached to bug > http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=1234. > > So now, I need to write a test application that will let use compare > the speed of this DMA based proof of concept against the classical > memcpy used for doing the pixmap migrations. and the result of this is...? :) since you have everything already patched and built there in front of you - faster for you to do it that me go replace my kernels and kill my working gta02 i am doing work on :) -- Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]>
