6 files changed, 15 insertions, 39 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index dfc94391d71e..cf1c5c0a0abe 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -39,11 +39,8 @@ nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
         if (drm_fb->fbdev)
                 nouveau_fbcon_remove(dev, drm_fb);
 
-        if (fb->nvbo) {
-                mutex_lock(&dev->struct_mutex);
-                drm_gem_object_unreference(fb->nvbo->gem);
-                mutex_unlock(&dev->struct_mutex);
-        }
+        if (fb->nvbo)
+                drm_gem_object_unreference_unlocked(fb->nvbo->gem);
 
         drm_framebuffer_cleanup(drm_fb);
         kfree(fb);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index ea879a2efef3..d48c59cdefe4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -401,10 +401,8 @@ nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb)
 
                 unregister_framebuffer(info);
                 nouveau_bo_unmap(nouveau_fb->nvbo);
-                mutex_lock(&dev->struct_mutex);
-                drm_gem_object_unreference(nouveau_fb->nvbo->gem);
+                drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
                 nouveau_fb->nvbo = NULL;
-                mutex_unlock(&dev->struct_mutex);
                 if (par)
                         drm_fb_helper_free(&par->helper);
                 framebuffer_release(info);
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 70cc30803e3b..34063c561899 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -167,12 +167,10 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
 
         ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
 out:
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_handle_unreference(nvbo->gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_handle_unreference_unlocked(nvbo->gem);
 
         if (ret)
-                drm_gem_object_unreference(nvbo->gem);
+                drm_gem_object_unreference_unlocked(nvbo->gem);
         return ret;
 }
 
@@ -865,9 +863,7 @@ nouveau_gem_ioctl_pin(struct drm_device *dev, void *data,
                 req->domain = NOUVEAU_GEM_DOMAIN_VRAM;
 
 out:
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
 
         return ret;
 }
@@ -891,9 +887,7 @@ nouveau_gem_ioctl_unpin(struct drm_device *dev, void *data,
 
         ret = nouveau_bo_unpin(nouveau_gem_object(gem));
 
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
 
         return ret;
 }
@@ -935,9 +929,7 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
         }
 
 out:
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
         return ret;
 }
 
@@ -965,9 +957,7 @@ nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
         ret = 0;
 
 out:
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
         return ret;
 }
 
@@ -986,9 +976,7 @@ nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
                 return -EINVAL;
 
         ret = nouveau_gem_info(gem, req);
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
         return ret;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index d99dc087f9b1..9537f3e30115 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -61,11 +61,8 @@ nouveau_notifier_init_channel(struct nouveau_channel *chan)
 
         chan->notifier_bo = ntfy;
 out_err:
-        if (ret) {
-                mutex_lock(&dev->struct_mutex);
-                drm_gem_object_unreference(ntfy->gem);
-                mutex_unlock(&dev->struct_mutex);
-        }
+        if (ret)
+                drm_gem_object_unreference_unlocked(ntfy->gem);
 
         return ret;
 }
@@ -81,8 +78,8 @@ nouveau_notifier_takedown_channel(struct nouveau_channel *chan)
         nouveau_bo_unmap(chan->notifier_bo);
         mutex_lock(&dev->struct_mutex);
         nouveau_bo_unpin(chan->notifier_bo);
-        drm_gem_object_unreference(chan->notifier_bo->gem);
         mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(chan->notifier_bo->gem);
         nouveau_mem_takedown(&chan->notifier_heap);
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index d2f143ed97c1..a1d1ebb073d9 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -926,9 +926,7 @@ nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
         nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset);
         nv_crtc->cursor.show(nv_crtc, true);
 out:
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
         return ret;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index d1a651e3400c..cfabeb974a56 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -358,9 +358,7 @@ nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
         nv_crtc->cursor.show(nv_crtc, true);
 
 out:
-        mutex_lock(&dev->struct_mutex);
-        drm_gem_object_unreference(gem);
-        mutex_unlock(&dev->struct_mutex);
+        drm_gem_object_unreference_unlocked(gem);
         return ret;
 }