On Thu, 2004-10-14 at 12:29 +0200, Thomas HellstrÃm wrote: > > is DRM_WRITEMEMORYBARRIER() the right way to make sure data has been > flushed to AGP memory before firing it off to the DMA engine?
I think so, assuming DRM_WRITEMEMORYBARRIER boils down to an instruction with the LOCK prefix. This is pretty well documented in Intel's IA-32 manuals, which you can download from their site, e.g. from http://www.intel.com/design/pentium4/manuals/index_new.htm -- Earthling Michel DÃnzer | Debian (powerpc), X and DRI developer Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
