On Mon, 18 Feb 2013 16:03:20 +0100 Daniel Vetter <daniel at ffwll.ch> wrote: > On Fri, Feb 15, 2013 at 01:23:08PM -0800, Jesse Barnes wrote: > > A few more fixes from Daniel. > > So one thing that crossed my mind which we should at least quickly > discuss: How is userspace supposed to notice the resume? On a lot of > desktops (and even Androids) the normal thing seems to be to draw the > screensave/lock after resume, which means that we'll show the desktop for > a frame or so. Which is not too nice. Is userspace simply supposed to draw > the screen lock before sleep, or does it need a helping hand from the > kernel to fix this issue? Userspace initiates the suspend, so GNOME or whatever is supposed to lock things at that point. I've heard talk of a uevent or dbus thing to broadcast it as well, but I'm not sure of the status of that. IIRC Android already has a hack like this; they don't want the fbcon to ever be visible during usage... -- Jesse Barnes, Intel Open Source Technology Center
