1 files changed, 5 insertions, 25 deletions

diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
index 9bf93bc9a32c..632ae243ede0 100644
--- a/drivers/gpu/drm/drm_lock.c
+++ b/drivers/gpu/drm/drm_lock.c
@@ -37,6 +37,8 @@
 
 static int drm_notifier(void *priv);
 
+static int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
+
 /**
  * Lock ioctl.
  *
@@ -124,9 +126,6 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
                 block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
         }
 
-        if (dev->driver->dma_ready && (lock->flags & _DRM_LOCK_READY))
-                dev->driver->dma_ready(dev);
-
         if (dev->driver->dma_quiescent && (lock->flags & _DRM_LOCK_QUIESCENT))
         {
                 if (dev->driver->dma_quiescent(dev)) {
@@ -136,12 +135,6 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
                 }
         }
 
-        if (dev->driver->kernel_context_switch &&
-            dev->last_context != lock->context) {
-                dev->driver->kernel_context_switch(dev, dev->last_context,
-                                                   lock->context);
-        }
-
         return 0;
 }
 
@@ -169,15 +162,8 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
 
         atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]);
 
-        /* kernel_context_switch isn't used by any of the x86 drm
-         * modules but is required by the Sparc driver.
-         */
-        if (dev->driver->kernel_context_switch_unlock)
-                dev->driver->kernel_context_switch_unlock(dev);
-        else {
-                if (drm_lock_free(&master->lock, lock->context)) {
-                        /* FIXME: Should really bail out here. */
-                }
+        if (drm_lock_free(&master->lock, lock->context)) {
+                /* FIXME: Should really bail out here. */
         }
 
         unblock_all_signals();
@@ -193,6 +179,7 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv)
  *
  * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction.
  */
+static
 int drm_lock_take(struct drm_lock_data *lock_data,
                   unsigned int context)
 {
@@ -229,7 +216,6 @@ int drm_lock_take(struct drm_lock_data *lock_data,
         }
         return 0;
 }
-EXPORT_SYMBOL(drm_lock_take);
 
 /**
  * This takes a lock forcibly and hands it to context.  Should ONLY be used
@@ -297,7 +283,6 @@ int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context)
         wake_up_interruptible(&lock_data->lock_queue);
         return 0;
 }
-EXPORT_SYMBOL(drm_lock_free);
 
 /**
  * If we get here, it means that the process has called DRM_IOCTL_LOCK
@@ -360,7 +345,6 @@ void drm_idlelock_take(struct drm_lock_data *lock_data)
         }
         spin_unlock_bh(&lock_data->spinlock);
 }
-EXPORT_SYMBOL(drm_idlelock_take);
 
 void drm_idlelock_release(struct drm_lock_data *lock_data)
 {
@@ -380,8 +364,6 @@ void drm_idlelock_release(struct drm_lock_data *lock_data)
         }
         spin_unlock_bh(&lock_data->spinlock);
 }
-EXPORT_SYMBOL(drm_idlelock_release);
-
 
 int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv)
 {
@@ -390,5 +372,3 @@ int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv)
                 _DRM_LOCK_IS_HELD(master->lock.hw_lock->lock) &&
                 master->lock.file_priv == file_priv);
 }
-
-EXPORT_SYMBOL(drm_i_have_hw_lock);