drm: Move simple_display_pipe prepare_fb helper into gem fb helpers

There's nothing tinydrm specific to this, and there's a few more
copies of the same in various other drivers.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: David Lechner <david@lechnology.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: David Lechner <david@lechnology.com>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180405154449.23038-3-daniel.vetter@ffwll.ch

1 files changed, 3 insertions, 0 deletions

diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h
index 5ca7cdc3f527..a38de7eb55b4 100644
--- a/include/drm/drm_gem_framebuffer_helper.h
+++ b/include/drm/drm_gem_framebuffer_helper.h
@@ -10,6 +10,7 @@ struct drm_gem_object;
 struct drm_mode_fb_cmd2;
 struct drm_plane;
 struct drm_plane_state;
+struct drm_simple_display_pipe;
 
 struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
 					  unsigned int plane);
@@ -27,6 +28,8 @@ drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
 
 int drm_gem_fb_prepare_fb(struct drm_plane *plane,
 			  struct drm_plane_state *state);
+int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
+					      struct drm_plane_state *plane_state);
 
 struct drm_framebuffer *
 drm_gem_fbdev_fb_create(struct drm_device *dev,