diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-08-06 14:49:53 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-08-06 22:39:28 +0200 |
| commit | 4ed0ce3d0bccd74416ba6beb33a8a79d1617e97b (patch) | |
| tree | d8898f1d518a7141d425cccae24a23b719a2df43 /drivers/gpu/drm/drm_irq.c | |
| parent | ffe7c73a8d4f0caeebd5d220ddbf7126a4daca1f (diff) | |
| download | talos-op-linux-4ed0ce3d0bccd74416ba6beb33a8a79d1617e97b.tar.gz talos-op-linux-4ed0ce3d0bccd74416ba6beb33a8a79d1617e97b.zip | |
drm: Disable vblank interrupt immediately when drm_vblank_offdelay<0
Make drm_vblank_put() disable the vblank interrupt immediately when the
refcount drops to zero and drm_vblank_offdelay<0.
v2: Preserve the current drm_vblank_offdelay==0 'never disable' behaviur
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index b2428cb0c64d..99145c4d536b 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -993,10 +993,13 @@ void drm_vblank_put(struct drm_device *dev, int crtc) BUG_ON(atomic_read(&vblank->refcount) == 0); /* Last user schedules interrupt disable */ - if (atomic_dec_and_test(&vblank->refcount) && - (drm_vblank_offdelay > 0)) - mod_timer(&vblank->disable_timer, - jiffies + ((drm_vblank_offdelay * HZ)/1000)); + if (atomic_dec_and_test(&vblank->refcount)) { + if (drm_vblank_offdelay < 0) + vblank_disable_fn((unsigned long)vblank); + else if (drm_vblank_offdelay > 0) + mod_timer(&vblank->disable_timer, + jiffies + ((drm_vblank_offdelay * HZ)/1000)); + } } EXPORT_SYMBOL(drm_vblank_put); |
