UPSTREAM: drm/rockchip: support non-iommu buffer path

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / rockchip / rockchip_drm_fbdev.h

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h
index 9052e2364416ccc5ea77ad6a158568cc2d1628e9..73718c5f5bbf720ca6151fc44ca670fc8646c6a9 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h
@@ -1,8 +1,6 @@
 /*
- * Copyright (C) ROCKCHIP, Inc.
- * Author:yzq<yzq@rock-chips.com>
- *
- * based on exynos_drm_fbdev.h
+ * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
+ * Author:Mark Yao <mark.yao@rock-chips.com>
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -13,12 +11,22 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
-#ifndef _ROCKCHIP_DRM_FBDEV_H_
-#define _ROCKCHIP_DRM_FBDEV_H_
 
+#ifndef _ROCKCHIP_DRM_FBDEV_H
+#define _ROCKCHIP_DRM_FBDEV_H
+
+#ifdef CONFIG_DRM_FBDEV_EMULATION
 int rockchip_drm_fbdev_init(struct drm_device *dev);
-int rockchip_drm_fbdev_reinit(struct drm_device *dev);
 void rockchip_drm_fbdev_fini(struct drm_device *dev);
-void rockchip_drm_fbdev_restore_mode(struct drm_device *dev);
+#else
+static inline int rockchip_drm_fbdev_init(struct drm_device *dev)
+{
+       return 0;
+}
 
+static inline void rockchip_drm_fbdev_fini(struct drm_device *dev)
+{
+}
 #endif
+
+#endif /* _ROCKCHIP_DRM_FBDEV_H */