On 01/03/17 12:45 AM, Michael Zoran wrote: > On Tue, 2017-02-28 at 16:42 +0900, Michel Dänzer wrote: >> On 24/02/17 10:54 AM, Michael Zoran wrote: >>> Commonly used desktop environments such as xfce4 and gnome >>> on debian sid can flood the graphics drivers with cursor >>> updates. >> >> FWIW, this has nothing to do with the desktop environment or indeed >> the >> client side at all. Translating input to HW cursor movement is >> handled >> entirely inside the X server. >> >> > > Yes, as your point out it may well be the x server that is causing > this. I wasn't sure if it was the windows manager or the x server that > was doing this. > > Either way, when opening a new application the driver gets flooded with > cursor updates as something is animating a spinning cursor. Since the > refresh rate is only 60Hz, I see a very long hang in the > desktop(several minutes) where nothing responds. SSHing into the RPI > still works though even though it appears hung. > > I had a few people on the net test the changes and they all report that > without the change xfce4 and gnome are both unusable on the RPI. With > the change, things work fine. Not waiting for the vblank on cursor > updates is what other drivers appears to do as well... Sure. My point is merely that the commit log should say "Xorg can flood [...]" instead of "Commonly used desktop environments such as xfce4 and gnome on debian sid can flood [...]". -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
