diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-07 14:08:56 -0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-07 14:08:56 -0400 |
commit | 5a89770daad83df74d77a8d34a1ffaedae565ce9 (patch) | |
tree | 0d8ef70293a6ef969ba8b7718e59608337643d40 /drivers/gpu/drm/drm_irq.c | |
parent | c46c948260f41af18b277c1eb1895d788d3605dc (diff) | |
parent | af7c951d76708c61b862463d579d76be757130bf (diff) |
Merge branches 'pxa-core' and 'pxa-machines' into pxa-all
Conflicts:
arch/arm/mach-pxa/Kconfig
arch/arm/mach-pxa/pxa25x.c
arch/arm/mach-pxa/pxa27x.c
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r-- | drivers/gpu/drm/drm_irq.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 089c015c01d1..53f0e5af1cc8 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c | |||
@@ -400,27 +400,31 @@ static void drm_locked_tasklet_func(unsigned long data) | |||
400 | { | 400 | { |
401 | struct drm_device *dev = (struct drm_device *)data; | 401 | struct drm_device *dev = (struct drm_device *)data; |
402 | unsigned long irqflags; | 402 | unsigned long irqflags; |
403 | 403 | void (*tasklet_func)(struct drm_device *); | |
404 | |||
404 | spin_lock_irqsave(&dev->tasklet_lock, irqflags); | 405 | spin_lock_irqsave(&dev->tasklet_lock, irqflags); |
406 | tasklet_func = dev->locked_tasklet_func; | ||
407 | spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); | ||
405 | 408 | ||
406 | if (!dev->locked_tasklet_func || | 409 | if (!tasklet_func || |
407 | !drm_lock_take(&dev->lock, | 410 | !drm_lock_take(&dev->lock, |
408 | DRM_KERNEL_CONTEXT)) { | 411 | DRM_KERNEL_CONTEXT)) { |
409 | spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); | ||
410 | return; | 412 | return; |
411 | } | 413 | } |
412 | 414 | ||
413 | dev->lock.lock_time = jiffies; | 415 | dev->lock.lock_time = jiffies; |
414 | atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); | 416 | atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); |
415 | 417 | ||
416 | dev->locked_tasklet_func(dev); | 418 | spin_lock_irqsave(&dev->tasklet_lock, irqflags); |
419 | tasklet_func = dev->locked_tasklet_func; | ||
420 | dev->locked_tasklet_func = NULL; | ||
421 | spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); | ||
422 | |||
423 | if (tasklet_func != NULL) | ||
424 | tasklet_func(dev); | ||
417 | 425 | ||
418 | drm_lock_free(&dev->lock, | 426 | drm_lock_free(&dev->lock, |
419 | DRM_KERNEL_CONTEXT); | 427 | DRM_KERNEL_CONTEXT); |
420 | |||
421 | dev->locked_tasklet_func = NULL; | ||
422 | |||
423 | spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); | ||
424 | } | 428 | } |
425 | 429 | ||
426 | /** | 430 | /** |