drm/legacy: move lock cleanup for master into lock file (v2)

This makes it easier to remove legacy code later.

v2: move check into lock file as well.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 1669c42..ee969e9 100644 (file)
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -274,21 +274,7 @@ void drm_master_release(struct drm_file *file_priv)
        if (!drm_is_current_master(file_priv))
                goto out;
 
-       if (drm_core_check_feature(dev, DRIVER_LEGACY)) {
-               /*
-                * Since the master is disappearing, so is the
-                * possibility to lock.
-                */
-               mutex_lock(&dev->struct_mutex);
-               if (master->lock.hw_lock) {
-                       if (dev->sigdata.lock == master->lock.hw_lock)
-                               dev->sigdata.lock = NULL;
-                       master->lock.hw_lock = NULL;
-                       master->lock.file_priv = NULL;
-                       wake_up_interruptible_all(&master->lock.lock_queue);
-               }
-               mutex_unlock(&dev->struct_mutex);
-       }
+       drm_legacy_lock_master_cleanup(dev, master);
 
        if (dev->master == file_priv->master)
                drm_drop_master(dev, file_priv);

diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
index 3dc6260..974c2be 100644 (file)
--- a/drivers/gpu/drm/drm_legacy.h
+++ b/drivers/gpu/drm/drm_legacy.h
@@ -126,4 +126,5 @@ int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
 int drm_legacy_sg_free(struct drm_device *dev, void *data,
                       struct drm_file *file_priv);
 
+void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
 #endif /* __DRM_LEGACY_H__ */

diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
index 67a1a2c..b70058e 100644 (file)
--- a/drivers/gpu/drm/drm_lock.c
+++ b/drivers/gpu/drm/drm_lock.c
@@ -347,3 +347,22 @@ void drm_legacy_lock_release(struct drm_device *dev, struct file *filp)
                                     _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
        }
 }
+
+void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master)
+{
+       if (!drm_core_check_feature(dev, DRIVER_LEGACY))
+               return;
+
+       /*
+        * Since the master is disappearing, so is the
+        * possibility to lock.
+        */     mutex_lock(&dev->struct_mutex);
+       if (master->lock.hw_lock) {
+               if (dev->sigdata.lock == master->lock.hw_lock)
+                       dev->sigdata.lock = NULL;
+               master->lock.hw_lock = NULL;
+               master->lock.file_priv = NULL;
+               wake_up_interruptible_all(&master->lock.lock_queue);
+       }
+       mutex_unlock(&dev->struct_mutex);
+}