drm: fix fb leak in setcrtc

[~andy/linux] / include / drm / drm_crtc.h

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 53c33e28a2f7a5da71f0015d7a7048b9d626f54e..b9ddd3d42acf30dae74fb6818f45dca0d7bbd0c5 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -409,6 +409,10 @@ struct drm_crtc {
        /* framebuffer the connector is currently bound to */
        struct drm_framebuffer *fb;
 
+       /* Temporary tracking of the old fb while a modeset is ongoing. Used
+        * by drm_mode_set_config_internal to implement correct refcounting. */
+       struct drm_framebuffer *old_fb;
+
        bool enabled;
 
        /* Requested mode from modesetting. */
@@ -654,11 +658,7 @@ struct drm_plane_funcs {
  * @format_count: number of formats supported
  * @crtc: currently bound CRTC
  * @fb: currently bound fb
- * @gamma_size: size of gamma table
- * @gamma_store: gamma correction table
- * @enabled: enabled flag
  * @funcs: helper functions
- * @helper_private: storage for drver layer
  * @properties: property tracking for this plane
  */
 struct drm_plane {
@@ -674,14 +674,7 @@ struct drm_plane {
        struct drm_crtc *crtc;
        struct drm_framebuffer *fb;
 
-       /* CRTC gamma size for reporting to userspace */
-       uint32_t gamma_size;
-       uint16_t *gamma_store;
-
-       bool enabled;
-
        const struct drm_plane_funcs *funcs;
-       void *helper_private;
 
        struct drm_object_properties properties;
 };
@@ -894,6 +887,7 @@ extern int drm_plane_init(struct drm_device *dev,
                          const uint32_t *formats, uint32_t format_count,
                          bool priv);
 extern void drm_plane_cleanup(struct drm_plane *plane);
+extern void drm_plane_force_disable(struct drm_plane *plane);
 
 extern void drm_encoder_cleanup(struct drm_encoder *encoder);