drm/i915/gvt: clean up intel_gvt.h as interface for i915 core

[linux-2.6-block.git] / drivers / gpu / drm / drm_simple_kms_helper.c

diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
index 7b6d26e64977b65473a2348f000a94707db20589..7bae08c2bf0a92b9c547550cf61c4b670130d90d 100644 (file)
--- a/drivers/gpu/drm/drm_simple_kms_helper.c
+++ b/drivers/gpu/drm/drm_simple_kms_helper.c
@@ -125,7 +125,33 @@ static void drm_simple_kms_plane_atomic_update(struct drm_plane *plane,
        pipe->funcs->update(pipe, pstate);
 }
 
+static int drm_simple_kms_plane_prepare_fb(struct drm_plane *plane,
+                                          struct drm_plane_state *state)
+{
+       struct drm_simple_display_pipe *pipe;
+
+       pipe = container_of(plane, struct drm_simple_display_pipe, plane);
+       if (!pipe->funcs || !pipe->funcs->prepare_fb)
+               return 0;
+
+       return pipe->funcs->prepare_fb(pipe, state);
+}
+
+static void drm_simple_kms_plane_cleanup_fb(struct drm_plane *plane,
+                                           struct drm_plane_state *state)
+{
+       struct drm_simple_display_pipe *pipe;
+
+       pipe = container_of(plane, struct drm_simple_display_pipe, plane);
+       if (!pipe->funcs || !pipe->funcs->cleanup_fb)
+               return;
+
+       pipe->funcs->cleanup_fb(pipe, state);
+}
+
 static const struct drm_plane_helper_funcs drm_simple_kms_plane_helper_funcs = {
+       .prepare_fb = drm_simple_kms_plane_prepare_fb,
+       .cleanup_fb = drm_simple_kms_plane_cleanup_fb,
        .atomic_check = drm_simple_kms_plane_atomic_check,
        .atomic_update = drm_simple_kms_plane_atomic_update,
 };