On Fri, May 11, 2012 at 11:10 AM, Christian König <deathsimple@xxxxxxxxxxx> wrote: > Hi everybody, > > well the following patches remove the cs and vram mutex from the radeon driver > and so are something very experimental. The first three just move what I know > to be still critical into the protection of the ring mutex, and the other two > actually remove the mutexs. > > Interestingly it still survives a couple of hours running the following script: > > while true > do > for (( x = 10, y = 45, i = 0; $i < 144; i = $i + 1 )) > do > glxgears -geometry 100x100+$x+$y > /dev/null 2>&1 & > x=$(expr $x + 120) > if [ $x -gt 1920 ] > then > x=10 > y=$(expr $y + 110) > fi > done > > sleep 30 > > killall glxgears > done > > So the mutexes doesn't seem to protected something so critical and I'm > wondering why we still have them so widely locked. > > Cheers, > Christian. > > PS: I'm away for the next week or so don't expect any response soon. The vram mutex is to block access to the VRAM during reclocking. So if you reclocks a lot while running stuff you might notice. Dave. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
