On Thu, Sep 09, 2021 at 08:23:20PM +0000, Souza, Jose wrote: > On Thu, 2021-09-09 at 23:20 +0300, Ville Syrjälä wrote: > > On Thu, Sep 09, 2021 at 12:49:16PM -0700, José Roberto de Souza wrote: > > > By now all the userspace applications should have migrated to atomic > > > or at least be calling DRM_IOCTL_MODE_DIRTYFB. > > > > > > With that we can kill frontbuffer rendering support in i915 for > > > modern platforms. > > > > > > So here converting legacy APIs into atomic commits so it can be > > > properly handled by driver i915. > > > > > > Several IGT tests will fail with this changes, because some tests > > > were stressing those frontbuffer rendering scenarios that no userspace > > > should be using by now, fixes to IGT should be sent soon. > > > > > > > I just gave this a try here and it's unusable. glxgears went from > > 9000 to 120 fps (was expecting 60fps tbh, not sure why I get > > double), everything lags like mad, if I drag a window around > > glxgears/other windows stop updating entirely, etc. NAK > > Can you share your setup? What GPU? Desktop environment? Mesa version? resolutions of sinks? > Will try it in my end. Doesn't really matter as long as you don't have a compositor making a mess of things. This machine is a cfl running mate w/ compositor off, and some 1920x1200 display. -- Ville Syrjälä Intel
