Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs...

[linux-2.6-omap-h63xx.git] / drivers / gpu / drm / drm_irq.c

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 212a94f715b23cf2db6103a301c91f9c6545a4ce..1e787f894b3cf38f6c46eeda39c73cb8a49ad1c5 100644 (file)
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -94,7 +94,7 @@ static void vblank_disable_fn(unsigned long arg)
        }
 }
 
-static void drm_vblank_cleanup(struct drm_device *dev)
+void drm_vblank_cleanup(struct drm_device *dev)
 {
        /* Bail if the driver didn't call drm_vblank_init() */
        if (dev->num_crtcs == 0)
@@ -278,10 +278,6 @@ int drm_irq_uninstall(struct drm_device * dev)
 
        free_irq(dev->pdev->irq, dev);
 
-       drm_vblank_cleanup(dev);
-
-       dev->locked_tasklet_func = NULL;
-
        return 0;
 }
 EXPORT_SYMBOL(drm_irq_uninstall);
@@ -699,81 +695,3 @@ void drm_handle_vblank(struct drm_device *dev, int crtc)
        drm_vbl_send_signals(dev, crtc);
 }
 EXPORT_SYMBOL(drm_handle_vblank);
-
-/**
- * Tasklet wrapper function.
- *
- * \param data DRM device in disguise.
- *
- * Attempts to grab the HW lock and calls the driver callback on success. On
- * failure, leave the lock marked as contended so the callback can be called
- * from drm_unlock().
- */
-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 (!tasklet_func ||
-           !drm_lock_take(&dev->lock,
-                          DRM_KERNEL_CONTEXT)) {
-               return;
-       }
-
-       dev->lock.lock_time = jiffies;
-       atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
-
-       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->lock,
-                     DRM_KERNEL_CONTEXT);
-}
-
-/**
- * Schedule a tasklet to call back a driver hook with the HW lock held.
- *
- * \param dev DRM device.
- * \param func Driver callback.
- *
- * This is intended for triggering actions that require the HW lock from an
- * interrupt handler. The lock will be grabbed ASAP after the interrupt handler
- * completes. Note that the callback may be called from interrupt or process
- * context, it must not make any assumptions about this. Also, the HW lock will
- * be held with the kernel context or any client context.
- */
-void drm_locked_tasklet(struct drm_device *dev, void (*func)(struct drm_device *))
-{
-       unsigned long irqflags;
-       static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0);
-
-       if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ) ||
-           test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state))
-               return;
-
-       spin_lock_irqsave(&dev->tasklet_lock, irqflags);
-
-       if (dev->locked_tasklet_func) {
-               spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
-               return;
-       }
-
-       dev->locked_tasklet_func = func;
-
-       spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
-
-       drm_tasklet.data = (unsigned long)dev;
-
-       tasklet_hi_schedule(&drm_tasklet);
-}
-EXPORT_SYMBOL(drm_locked_tasklet);