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 <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Sean Paul <[email protected]>
Cc: David Airlie <[email protected]>
Cc: David Lechner <[email protected]>
Cc: "Noralf Trønnes" <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Neil Armstrong <[email protected]>
Cc: Daniel Stone <[email protected]>
Cc: Haneen Mohammed <[email protected]>
Cc: Ben Widawsky <[email protected]>
Cc: "Ville Syrjälä" <[email protected]>
Reviewed-by: Oleksandr Andrushchenko <[email protected]>
Acked-by: David Lechner <[email protected]>
Reviewed-by: Noralf Trønnes <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 0 insertions, 17 deletions

diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
index e68b528ae64d..7e8e24d0b7a7 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
@@ -138,23 +138,6 @@ void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe,
 }
 EXPORT_SYMBOL(tinydrm_display_pipe_update);
 
-/**
- * tinydrm_display_pipe_prepare_fb - Display pipe prepare_fb helper
- * @pipe: Simple display pipe
- * @plane_state: Plane state
- *
- * This function uses drm_gem_fb_prepare_fb() to check if the plane FB has an
- * dma-buf attached, extracts the exclusive fence and attaches it to plane
- * state for the atomic helper to wait on. Drivers can use this as their
- * &drm_simple_display_pipe_funcs->prepare_fb callback.
- */
-int tinydrm_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
-				    struct drm_plane_state *plane_state)
-{
-	return drm_gem_fb_prepare_fb(&pipe->plane, plane_state);
-}
-EXPORT_SYMBOL(tinydrm_display_pipe_prepare_fb);
-
 static int tinydrm_rotate_mode(struct drm_display_mode *mode,
 			       unsigned int rotation)
 {