diff options
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index e756485..1967e7f 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -161,10 +161,13 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc) /* * Only reinitialize corresponding vblank timestamp if high-precision query - * available and didn't fail. Will reinitialize delayed at next vblank - * interrupt in that case. + * available and didn't fail. Otherwise reinitialize delayed at next vblank + * interrupt and assign 0 for now, to mark the vblanktimestamp as invalid. */ - store_vblank(dev, crtc, diff, rc ? &t_vblank : NULL); + if (!rc) + t_vblank = (struct timeval) {0, 0}; + + store_vblank(dev, crtc, diff, &t_vblank); } /* |