On Thu, 2009-04-16 at 11:03 +1000, Dave Airlie wrote: > I think we have a problem with the EnableDisableFBAccess paths, > but I'm not 100% sure how to fix it. However I don't believe the > swapped out flag should be hit for driver pixmaps at all. > > The problem is on VT enter, the wrapped EDFBA function, does an > if (set_disable) disable, call wrap, if (set_enabled) enable, however inside > the call wrap we get an exposure generation and we end up doing a bunch > of pointless sw rendering when clearly we could avoid it. > > But I'm not sure what the logic behind the wrap calling sequence.
The logic you're referring to isn't in exaEnableDisableFBAccess(), is it? > I've attached a patch that avoids hitting swapped out flag for driver pixmaps > and this makes fast user switch on radeon/kms actually fast. Makes sense, the swappedOut flag really only applies to the EXA offscreen allocator. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ xorg-devel mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-devel
