virtio_ring: Make interrupt suppression spec compliant

[cascardo/linux.git] / include / drm / drm_simple_kms_helper.h

diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
index 2690397..01a8436 100644 (file)
--- a/include/drm/drm_simple_kms_helper.h
+++ b/include/drm/drm_simple_kms_helper.h
@@ -60,9 +60,35 @@ struct drm_simple_display_pipe_funcs {
         *
         * This function is called when the underlying plane state is updated.
         * This hook is optional.
+        *
+        * This is the function drivers should submit the
+        * &drm_pending_vblank_event from. Using either
+        * drm_crtc_arm_vblank_event(), when the driver supports vblank
+        * interrupt handling, or drm_crtc_send_vblank_event() directly in case
+        * the hardware lacks vblank support entirely.
         */
        void (*update)(struct drm_simple_display_pipe *pipe,
                       struct drm_plane_state *plane_state);
+
+       /**
+        * @prepare_fb:
+        *
+        * Optional, called by struct &drm_plane_helper_funcs ->prepare_fb .
+        * Please read the documentation for the ->prepare_fb hook in
+        * struct &drm_plane_helper_funcs for more details.
+        */
+       int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
+                         struct drm_plane_state *plane_state);
+
+       /**
+        * @cleanup_fb:
+        *
+        * Optional, called by struct &drm_plane_helper_funcs ->cleanup_fb .
+        * Please read the documentation for the ->cleanup_fb hook in
+        * struct &drm_plane_helper_funcs for more details.
+        */
+       void (*cleanup_fb)(struct drm_simple_display_pipe *pipe,
+                          struct drm_plane_state *plane_state);
 };
 
 /**
@@ -85,6 +111,11 @@ struct drm_simple_display_pipe {
        const struct drm_simple_display_pipe_funcs *funcs;
 };
 
+int drm_simple_display_pipe_attach_bridge(struct drm_simple_display_pipe *pipe,
+                                         struct drm_bridge *bridge);
+
+void drm_simple_display_pipe_detach_bridge(struct drm_simple_display_pipe *pipe);
+
 int drm_simple_display_pipe_init(struct drm_device *dev,
                        struct drm_simple_display_pipe *pipe,
                        const struct drm_simple_display_pipe_funcs *funcs,