drm: make crtc/encoder/connector/plane helper_private a const pointer

They're only used to store const pointers anyway. This helps to keep
Ville and the compiler happy.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

3 files changed, 8 insertions, 8 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 7b5c661b37d8..97c33b40005f 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -467,7 +467,7 @@ struct drm_crtc {
         int framedur_ns, linedur_ns, pixeldur_ns;
 
         /* if you are using the helper */
-        void *helper_private;
+        const void *helper_private;
 
         struct drm_object_properties properties;
 
@@ -597,7 +597,7 @@ struct drm_encoder {
         struct drm_crtc *crtc;
         struct drm_bridge *bridge;
         const struct drm_encoder_funcs *funcs;
-        void *helper_private;
+        const void *helper_private;
 };
 
 /* should we poll this connector for connects and disconnects */
@@ -701,7 +701,7 @@ struct drm_connector {
         /* requested DPMS state */
         int dpms;
 
-        void *helper_private;
+        const void *helper_private;
 
         /* forced on connector */
         struct drm_cmdline_mode cmdline_mode;
@@ -864,7 +864,7 @@ struct drm_plane {
 
         enum drm_plane_type type;
 
-        void *helper_private;
+        const void *helper_private;
 
         struct drm_plane_state *state;
 };
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 92d5135b55d2..c8fc187061de 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -197,19 +197,19 @@ extern void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
 static inline void drm_crtc_helper_add(struct drm_crtc *crtc,
                                        const struct drm_crtc_helper_funcs *funcs)
 {
-        crtc->helper_private = (void *)funcs;
+        crtc->helper_private = funcs;
 }
 
 static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
                                           const struct drm_encoder_helper_funcs *funcs)
 {
-        encoder->helper_private = (void *)funcs;
+        encoder->helper_private = funcs;
 }
 
 static inline void drm_connector_helper_add(struct drm_connector *connector,
                                             const struct drm_connector_helper_funcs *funcs)
 {
-        connector->helper_private = (void *)funcs;
+        connector->helper_private = funcs;
 }
 
 extern void drm_helper_resume_force_mode(struct drm_device *dev);
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index e48157a5a59c..96e16283afb9 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -76,7 +76,7 @@ struct drm_plane_helper_funcs {
 static inline void drm_plane_helper_add(struct drm_plane *plane,
                                         const struct drm_plane_helper_funcs *funcs)
 {
-        plane->helper_private = (void *)funcs;
+        plane->helper_private = funcs;
 }
 
 extern int drm_plane_helper_check_update(struct drm_plane *plane,