diff options
| -rw-r--r-- | linux-core/drm_irq.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index 26aecdf9..7c056114 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -355,19 +355,12 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc) * a long time. */ cur_vblank = dev->driver->get_vblank_counter(dev, crtc); + diff = cur_vblank - dev->last_vblank[crtc]; if (cur_vblank < dev->last_vblank[crtc]) { - if (cur_vblank == dev->last_vblank[crtc] - 1) { - diff = 0; - } else { - diff = dev->max_vblank_count - - dev->last_vblank[crtc]; - diff += cur_vblank; - } + diff += dev->max_vblank_count; DRM_DEBUG("last_vblank[%d]=0x%x, cur_vblank=0x%x => diff=0x%x\n", crtc, dev->last_vblank[crtc], cur_vblank, diff); - } else { - diff = cur_vblank - dev->last_vblank[crtc]; } DRM_DEBUG("enabling vblank interrupts on crtc %d, missed %d\n", |