[PATCH 3/3] drm: make crtc/encoder/connector/plane helper_private a const pointer

[Jani Nikula <jani.nikula@xxxxxxxxx>]

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

Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 include/drm/drm_crtc.h         | 8 ++++----
 include/drm/drm_crtc_helper.h  | 6 +++---
 include/drm/drm_plane_helper.h | 2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 150b93c29150..d4e4b82da3ad 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -466,7 +466,7 @@ 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;
 
@@ -596,7 +596,7 @@ 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 */
@@ -700,7 +700,7 @@ struct drm_connector {
 	/* requested DPMS state */
 	int dpms;
 
-	void *helper_private;
+	const void *helper_private;
 
 	/* forced on connector */
 	struct drm_cmdline_mode cmdline_mode;
@@ -863,7 +863,7 @@ 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,
-- 
2.1.4

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