drm: free core gem object from driver callbacks

When drivers embed the core gem object into their own structures,
they'll have to do this. Temporarily this results in an ugly

kfree(gem_obj);

in every gem driver.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

5 files changed, 13 insertions, 7 deletions

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 3b64d0ef1998..33dad3fa6043 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -422,15 +422,15 @@ drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
         idr_destroy(&file_private->object_idr);
 }
 
-static void
-drm_gem_object_free_common(struct drm_gem_object *obj)
+void
+drm_gem_object_release(struct drm_gem_object *obj)
 {
         struct drm_device *dev = obj->dev;
         fput(obj->filp);
         atomic_dec(&dev->object_count);
         atomic_sub(obj->size, &dev->object_memory);
-        kfree(obj);
 }
+EXPORT_SYMBOL(drm_gem_object_release);
 
 /**
  * Called after the last reference to the object has been lost.
@@ -448,8 +448,6 @@ drm_gem_object_free(struct kref *kref)
 
         if (dev->driver->gem_free_object != NULL)
                 dev->driver->gem_free_object(obj);
-
-        drm_gem_object_free_common(obj);
 }
 EXPORT_SYMBOL(drm_gem_object_free);
 
@@ -472,8 +470,6 @@ drm_gem_object_free_unlocked(struct kref *kref)
                 dev->driver->gem_free_object(obj);
                 mutex_unlock(&dev->struct_mutex);
         }
-
-        drm_gem_object_free_common(obj);
 }
 EXPORT_SYMBOL(drm_gem_object_free_unlocked);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 80871c62a571..d4ea90999f67 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4474,6 +4474,9 @@ void i915_gem_free_object(struct drm_gem_object *obj)
         kfree(obj_priv->page_cpu_valid);
         kfree(obj_priv->bit_17);
         kfree(obj->driver_private);
+
+        drm_gem_object_release(obj);
+        kfree(obj);
 }
 
 /** Unbinds all inactive objects. */
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 1bc0b38a5167..6d1aa89ec870 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -57,6 +57,9 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
         }
 
         ttm_bo_unref(&bo);
+
+        drm_gem_object_release(gem);
+        kfree(gem);
 }
 
 int
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 28dd3e1b9c3a..a72a3ee5d69b 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -44,6 +44,9 @@ void radeon_gem_object_free(struct drm_gem_object *gobj)
         if (robj) {
                 radeon_bo_unref(&robj);
         }
+
+        drm_gem_object_release(gobj);
+        kfree(gobj);
 }
 
 int radeon_gem_object_create(struct radeon_device *rdev, int size,
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index b3b57b561b92..c1b987158dfa 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1428,6 +1428,7 @@ extern void drm_sysfs_connector_remove(struct drm_connector *connector);
 /* Graphics Execution Manager library functions (drm_gem.c) */
 int drm_gem_init(struct drm_device *dev);
 void drm_gem_destroy(struct drm_device *dev);
+void drm_gem_object_release(struct drm_gem_object *obj);
 void drm_gem_object_free(struct kref *kref);
 void drm_gem_object_free_unlocked(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,