diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-09-26 15:37:21 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-09-30 14:13:49 +1000 |
| commit | 972f6572652bc4a2f6c44c525e5e91f2becdb62a (patch) | |
| tree | 60af3dc7e8a7c0f8bef7a3927dae161093b10dbe /linux-core/drm_irq.c | |
| parent | 89126bb58ec82511758bed36a28e698b721fb435 (diff) | |
| parent | 2db8e0c8ef8c7a66460fceda129533b364f6418c (diff) | |
Merge remote branch 'origin/master' into modesetting-gem
Conflicts:
libdrm/Makefile.am
libdrm/dri_bufmgr.h
linux-core/drm_irq.c
linux-core/drm_sysfs.c
linux-core/drm_ttm.c
shared-core/i915_dma.c
shared-core/i915_irq.c
shared-core/nouveau_drv.h
shared-core/radeon_cp.c
Diffstat (limited to 'linux-core/drm_irq.c')
| -rw-r--r-- | linux-core/drm_irq.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index 800768ae..b317d863 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -841,27 +841,31 @@ static void drm_locked_tasklet_func(unsigned long data) { struct drm_device *dev = (struct drm_device *)data; unsigned long irqflags; - + void (*tasklet_func)(struct drm_device *); + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + tasklet_func = dev->locked_tasklet_func; + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); - if (!dev->locked_tasklet_func || + if (!tasklet_func || !drm_lock_take(&dev->primary->master->lock, DRM_KERNEL_CONTEXT)) { - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); return; } dev->primary->master->lock.lock_time = jiffies; atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); - dev->locked_tasklet_func(dev); + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + tasklet_func = dev->locked_tasklet_func; + dev->locked_tasklet_func = NULL; + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + + if (tasklet_func != NULL) + tasklet_func(dev); drm_lock_free(&dev->primary->master->lock, DRM_KERNEL_CONTEXT); - - dev->locked_tasklet_func = NULL; - - spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); } /** |