On Wed, 2017-03-01 at 10:48 +0900, Michel Dänzer wrote: > 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 [...]". > Thanks for the tip. I don't plan to submit many vc4 changes, but it's good to know. BTW, you wouldn't happen to know what component is animating the spinning cursor? I still highly suspect it's either the window manager(xfwm or mutter) or possibly the application that's drawing the taskbar. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
