}
 
 
-void
+static void
 __i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
                       u32 enable_mask, u32 status_mask)
 {
        POSTING_READ(reg);
 }
 
-void
+static void
 __i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
                        u32 enable_mask, u32 status_mask)
 {
 
        return ERR_PTR(ret);
 }
 
-struct drm_framebuffer *
+static struct drm_framebuffer *
 intel_framebuffer_create(struct drm_device *dev,
                         struct drm_mode_fb_cmd2 *mode_cmd,
                         struct drm_i915_gem_object *obj)
        .create_handle = intel_user_framebuffer_create_handle,
 };
 
-int intel_framebuffer_init(struct drm_device *dev,
-                          struct intel_framebuffer *intel_fb,
-                          struct drm_mode_fb_cmd2 *mode_cmd,
-                          struct drm_i915_gem_object *obj)
+static int intel_framebuffer_init(struct drm_device *dev,
+                                 struct intel_framebuffer *intel_fb,
+                                 struct drm_mode_fb_cmd2 *mode_cmd,
+                                 struct drm_i915_gem_object *obj)
 {
        int aligned_height;
        int pitch_limit;