… > +++ b/drivers/gpu/drm/imx/dc/dc-crtc.c > @@ -0,0 +1,578 @@ … > +static void dc_crtc_queue_state_event(struct drm_crtc_state *crtc_state) > +{tglx@xxxxxxxxxxxxx … > + spin_lock_irq(&crtc->dev->event_lock); > + if (crtc_state->event) { … > + } > + spin_unlock_irq(&crtc->dev->event_lock); > +} … Under which circumstances would you become interested to apply a statement like “guard(spinlock_irq)(&crtc->dev->event_lock);”? https://elixir.bootlin.com/linux/v6.10-rc7/source/include/linux/spinlock.h#L567 Regards, Markus