drm: move the fb bpp/depth helper into the core.

This is used by nearly everyone including vmwgfx which doesn't generally
use the fb helper.

Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index a2fbf33..6718b18 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -902,4 +902,7 @@
 				    void *data, struct drm_file *file_priv);
 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
 				      void *data, struct drm_file *file_priv);
+
+extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
+				 int *bpp);
 #endif /* __DRM_CRTC_H__ */
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index b4abb33..e88b7d7 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -116,8 +116,6 @@
 
 extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
 
-extern void drm_helper_get_fb_bpp_depth(uint32_t format, unsigned int *depth,
-					int *bpp);
 extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
 					  struct drm_mode_fb_cmd2 *mode_cmd);