diff options
Diffstat (limited to 'drivers/gpu/drm/drm_lock.c')
| -rw-r--r-- | drivers/gpu/drm/drm_lock.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c index 0998723cde79..a4caf95485d7 100644 --- a/drivers/gpu/drm/drm_lock.c +++ b/drivers/gpu/drm/drm_lock.c @@ -105,14 +105,19 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) ret ? "interrupted" : "has lock"); if (ret) return ret; - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock->context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + /* don't set the block all signals on the master process for now + * really probably not the correct answer but lets us debug xkb + * xserver for now */ + if (!file_priv->master) { + sigemptyset(&dev->sigmask); + sigaddset(&dev->sigmask, SIGSTOP); + sigaddset(&dev->sigmask, SIGTSTP); + sigaddset(&dev->sigmask, SIGTTIN); + sigaddset(&dev->sigmask, SIGTTOU); + dev->sigdata.context = lock->context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); + } if (dev->driver->dma_ready && (lock->flags & _DRM_LOCK_READY)) dev->driver->dma_ready(dev); @@ -150,6 +155,7 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_lock *lock = data; unsigned long irqflags; + void (*tasklet_func)(struct drm_device *); if (lock->context == DRM_KERNEL_CONTEXT) { DRM_ERROR("Process %d using kernel context %d\n", @@ -158,14 +164,11 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv) } spin_lock_irqsave(&dev->tasklet_lock, irqflags); - - if (dev->locked_tasklet_func) { - dev->locked_tasklet_func(dev); - - dev->locked_tasklet_func = NULL; - } - + 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); atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); |