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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
| commit | 77835492ed489c0b870f82f4c50687bd267acc0a (patch) | |
| tree | d80903ce1b8dd30aa44ccfc756616ad4d6c74d63 /drivers/gpu/drm/drm_irq.c | |
| parent | af37501c792107c2bde1524bdae38d9a247b841a (diff) | |
| parent | 1de9e8e70f5acc441550ca75433563d91b269bbe (diff) | |
| download | op-kernel-dev-77835492ed489c0b870f82f4c50687bd267acc0a.zip op-kernel-dev-77835492ed489c0b870f82f4c50687bd267acc0a.tar.gz | |
Merge commit 'v2.6.29-rc2' into perfcounters/core
Conflicts:
include/linux/syscalls.h
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 724e505..477caa1 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -267,7 +267,8 @@ EXPORT_SYMBOL(drm_irq_install); */ int drm_irq_uninstall(struct drm_device * dev) { - int irq_enabled; + unsigned long irqflags; + int irq_enabled, i; if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; @@ -277,6 +278,16 @@ int drm_irq_uninstall(struct drm_device * dev) dev->irq_enabled = 0; mutex_unlock(&dev->struct_mutex); + /* + * Wake up any waiters so they don't hang. + */ + spin_lock_irqsave(&dev->vbl_lock, irqflags); + for (i = 0; i < dev->num_crtcs; i++) { + DRM_WAKEUP(&dev->vbl_queue[i]); + dev->vblank_enabled[i] = 0; + } + spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + if (!irq_enabled) return -EINVAL; @@ -652,8 +663,9 @@ int drm_wait_vblank(struct drm_device *dev, void *data, vblwait->request.sequence, crtc); dev->last_vblank_wait[crtc] = vblwait->request.sequence; DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, - ((drm_vblank_count(dev, crtc) - - vblwait->request.sequence) <= (1 << 23))); + (((drm_vblank_count(dev, crtc) - + vblwait->request.sequence) <= (1 << 23)) || + !dev->irq_enabled)); if (ret != -EINTR) { struct timeval now; |
