On Mit, 2011-06-15 at 16:58 +0200, Michel DÃnzer wrote: > On Die, 2011-06-07 at 21:42 +0800, Donnie Fang wrote: > > 3D render image on WC AGP aperture BO and then CPU fetch the image > > from this bo, in order to achieve performance, after 3D finished > > rendering, validate this bo into cached system memory and then read it > > from system memory. But I always get garbage from there. > > After check TTM bo validate codes, it has dealt with cache coherence > > properly, i wonder whether there is something I misunderstand or it is > > not allowed to move the WC bo from AGP to system memory for reading? > > Can you post patches showing what you've tried? Moving to the new dri-devel list at freedesktop.org, please only follow up there. -- Earthling Michel DÃnzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
