On Sat, 2008-11-29 at 18:51 +0100, Andreas Pokorny wrote: > Hi, > > > 2008/11/28 Graeme Gregory <[EMAIL PROTECTED]>: > > There are also other things to consider in the stack. > > > > We need a good Xorg driver with DRI (or DRI like support) + the kernel > > backend for this. I don't think anyone on arm has done this yet. We also > > need to tie glamofb and the 2d EXA driver into this as well as Andy has > > identified some locking problems which can only be solved by one common > > point of access. > > > > Currently the status with the Xorg driver is I have a skeleton in git > > I've been trying to get my head around mode setting to RandR works and > > struggling with it. I just can't work out how to tell Xorg we support 4 > > and exactly 4 modelines. > > Please correct me if I am going into the wrong direction. I believe we need a > DRM like kernel module that manages memory and rendering states and handles > context switches. I started reading about GEM and TTM, both do not seem to > be a perfect match for glamo. From what I understood GEM prefers explicit IO > to transfer data to the graphics memory. I guess mmap is faster on the neo. > Yes that is exactly what I was meaning. All three components (Xorg, fbdev and GLES) will be fighting for locks and resources on the device and need to be managed in a central location.
Graeme _______________________________________________ devel mailing list [email protected] https://lists.openmoko.org/mailman/listinfo/devel
