1 files changed, 21 insertions, 3 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.h b/drivers/gpu/drm/exynos/exynos_drm_fb.h
index eb35931d302..3ecb30d9355 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.h
@@ -28,9 +28,27 @@
 #ifndef _EXYNOS_DRM_FB_H_
 #define _EXYNOS_DRM_FB_H
 
-struct drm_framebuffer *exynos_drm_fb_create(struct drm_device *dev,
-                                              struct drm_file *filp,
-                                              struct drm_mode_fb_cmd *mode_cmd);
+static inline int exynos_drm_format_num_buffers(uint32_t format)
+{
+        switch (format) {
+        case DRM_FORMAT_NV12M:
+        case DRM_FORMAT_NV12MT:
+                return 2;
+        case DRM_FORMAT_YUV420M:
+                return 3;
+        default:
+                return 1;
+        }
+}
+
+struct drm_framebuffer *
+exynos_drm_framebuffer_init(struct drm_device *dev,
+                            struct drm_mode_fb_cmd2 *mode_cmd,
+                            struct drm_gem_object *obj);
+
+/* get memory information of a drm framebuffer */
+struct exynos_drm_gem_buf *exynos_drm_fb_buffer(struct drm_framebuffer *fb,
+                                                 int index);
 
 void exynos_drm_mode_config_init(struct drm_device *dev);