[PATCH 5.1 79/96] drm/imx: only send event on crtc disable if kept disabled

[Greg Kroah-Hartman]

From: Robert Beckett <bob.beck...@collabora.com>

commit 5aeab2bfc9ffa72d3ca73416635cb3785dfc076f upstream.

The event will be sent as part of the vblank enable during the modeset
if the crtc is not being kept disabled.

Fixes: 5f2f911578fb ("drm/imx: atomic phase 3 step 1: Use atomic configuration")

Signed-off-by: Robert Beckett <bob.beck...@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/gpu/drm/imx/ipuv3-crtc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -94,7 +94,7 @@ static void ipu_crtc_atomic_disable(stru
        drm_crtc_vblank_off(crtc);
 
        spin_lock_irq(&crtc->dev->event_lock);
-       if (crtc->state->event) {
+       if (crtc->state->event && !crtc->state->active) {
                drm_crtc_send_vblank_event(crtc, crtc->state->event);
                crtc->state->event = NULL;
        }