diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 0620d3ca2d06..918497404aec 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -105,16 +105,15 @@ void exynos_crtc_handle_event(struct exynos_drm_crtc *exynos_crtc) struct drm_pending_vblank_event *event = crtc->state->event; unsigned long flags; - if (event) { - crtc->state->event = NULL; - spin_lock_irqsave(&crtc->dev->event_lock, flags); - if (drm_crtc_vblank_get(crtc) == 0) - drm_crtc_arm_vblank_event(crtc, event); - else - drm_crtc_send_vblank_event(crtc, event); - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); - } + if (!event) + return; + crtc->state->event = NULL; + + WARN_ON(drm_crtc_vblank_get(crtc) != 0); + spin_lock_irqsave(&crtc->dev->event_lock, flags); + drm_crtc_arm_vblank_event(crtc, event); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); } static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) |