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drm: store_vblank() is never called with NULL timestamp 

Remove the NULL 't_vblank' checks from store_vblank() since that will
never happen.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-09-14 22:43:50 +03:00 committed by Daniel Vetter
parent ad1716ecca
commit 1b2eb71050
1 changed files with 5 additions and 7 deletions
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12
drivers/gpu/drm/drm_irq.c
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@ -83,13 +83,11 @@ static void store_vblank(struct drm_device *dev, unsigned int pipe,
assert_spin_locked(&dev->vblank_time_lock);
if (t_vblank) {
/* All writers hold the spinlock, but readers are serialized by
* the latching of vblank->count below.
*/
tslot = vblank->count + vblank_count_inc;
vblanktimestamp(dev, pipe, tslot) = *t_vblank;
}
/* All writers hold the spinlock, but readers are serialized by
* the latching of vblank->count below.
*/
tslot = vblank->count + vblank_count_inc;
vblanktimestamp(dev, pipe, tslot) = *t_vblank;
/*
* vblank timestamp updates are protected on the write side with