diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 13:52:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 13:52:44 -0700 |
| commit | 936a0cd52aa5d024c583e36e2f21bf6ec2e527e4 (patch) | |
| tree | 01cffc11361be7d671b71ba86463f6649b39d552 /drivers/gpu/drm/drm_irq.c | |
| parent | 36bf51acc89d113f101e40f40af4ab53fbf5b60a (diff) | |
| parent | e26081808edadfd257c6c9d81014e3b25e9a6118 (diff) | |
Merge 4.1-rc4 into staging-next
We want the fixes in here for testing and merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index c8a34476570a..af9662e58272 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -131,12 +131,11 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc) /* Reinitialize corresponding vblank timestamp if high-precision query * available. Skip this step if query unsupported or failed. Will - * reinitialize delayed at next vblank interrupt in that case. + * reinitialize delayed at next vblank interrupt in that case and + * assign 0 for now, to mark the vblanktimestamp as invalid. */ - if (rc) { - tslot = atomic_read(&vblank->count) + diff; - vblanktimestamp(dev, crtc, tslot) = t_vblank; - } + tslot = atomic_read(&vblank->count) + diff; + vblanktimestamp(dev, crtc, tslot) = rc ? t_vblank : (struct timeval) {0, 0}; smp_mb__before_atomic(); atomic_add(diff, &vblank->count); |