> From: kraxel@xxxxxxxxxx > Sent: Wednesday, June 5, 2019 6:10 PM > > Hi, > > > > Really need to split for different planes? I'd like a > > > VFIO_IRQ_SUBTYPE_GFX_DISPLAY_EVENT > > > so user space can probe change for all. > > > User space can choose to user different handlers according to the > > specific event. For example, user space might not want to handle every > > cursor event due to performance consideration. Besides, it can reduce > > the probe times, as we don't need to probe twice to make sure if both > > cursor plane and primary plane have been updated. > > I'd suggest to use the value passed via eventfd for that, i.e. instead > of sending "1" unconditionally send a mask of changed planes. > sounds reasonable.
