On Wed, May 14, 2014 at 08:51:05PM +0200, Daniel Vetter wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > If there's a blocking vblank wait in progress while the vblank interrupt > gets disabled, the current code will just let the vblank wait time out. > Instead make it return immediately when vblank interrupts get disabled. Can this even happen? drm_wait_vblank() takes a vblank reference earlier and drops it right before returning. But perhaps this will become obvious since from a quick peek some of the subsequent patches seem like they will make it possible to force VBLANK off? Thierry
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