diff options
-rw-r--r-- | drivers/gpu/drm/vkms/vkms_crtc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 5a095610726b..734a3e197df8 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -16,7 +16,7 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) vblank_hrtimer); struct drm_crtc *crtc = &output->crtc; struct vkms_crtc_state *state = to_vkms_crtc_state(crtc->state); - int ret_overrun; + u64 ret_overrun; bool ret; spin_lock(&output->lock); @@ -43,6 +43,8 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer, output->period_ns); + WARN_ON(ret_overrun != 1); + spin_unlock(&output->lock); return HRTIMER_RESTART; |