drm/drm: constify all struct drm_*_helper funcs pointers

They are not to be modified.

Generated using the semantic patch:

@@
@@
(
  const struct drm_crtc_helper_funcs *
|
- struct drm_crtc_helper_funcs *
+ const struct drm_crtc_helper_funcs *
)

@@
@@
(
  const struct drm_encoder_helper_funcs *
|
- struct drm_encoder_helper_funcs *
+ const struct drm_encoder_helper_funcs *
)

@@
@@
(
  const struct drm_connector_helper_funcs *
|
- struct drm_connector_helper_funcs *
+ const struct drm_connector_helper_funcs *
)

@@
@@
(
  const struct drm_plane_helper_funcs *
|
- struct drm_plane_helper_funcs *
+ const struct drm_plane_helper_funcs *
)

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>

4 files changed, 19 insertions, 19 deletions

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index dd895c409ca3..ab00286aec93 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -161,7 +161,7 @@ EXPORT_SYMBOL(drm_helper_crtc_in_use);
 static void
 drm_encoder_disable(struct drm_encoder *encoder)
 {
-        struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+        const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
 
         if (encoder->bridge)
                 encoder->bridge->funcs->disable(encoder->bridge);
@@ -191,7 +191,7 @@ static void __drm_helper_disable_unused_functions(struct drm_device *dev)
         }
 
         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+                const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
                 crtc->enabled = drm_helper_crtc_in_use(crtc);
                 if (!crtc->enabled) {
                         if (crtc_funcs->disable)
@@ -229,7 +229,7 @@ EXPORT_SYMBOL(drm_helper_disable_unused_functions);
 static void
 drm_crtc_prepare_encoders(struct drm_device *dev)
 {
-        struct drm_encoder_helper_funcs *encoder_funcs;
+        const struct drm_encoder_helper_funcs *encoder_funcs;
         struct drm_encoder *encoder;
 
         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
@@ -271,8 +271,8 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
 {
         struct drm_device *dev = crtc->dev;
         struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode;
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        struct drm_encoder_helper_funcs *encoder_funcs;
+        const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+        const struct drm_encoder_helper_funcs *encoder_funcs;
         int saved_x, saved_y;
         bool saved_enabled;
         struct drm_encoder *encoder;
@@ -473,7 +473,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
         bool fb_changed = false; /* if true and !mode_changed just do a flip */
         struct drm_connector *save_connectors, *connector;
         int count = 0, ro, fail = 0;
-        struct drm_crtc_helper_funcs *crtc_funcs;
+        const struct drm_crtc_helper_funcs *crtc_funcs;
         struct drm_mode_set save_set;
         int ret;
         int i;
@@ -573,7 +573,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
         /* a) traverse passed in connector list and get encoders for them */
         count = 0;
         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-                struct drm_connector_helper_funcs *connector_funcs =
+                const struct drm_connector_helper_funcs *connector_funcs =
                         connector->helper_private;
                 new_encoder = connector->encoder;
                 for (ro = 0; ro < set->num_connectors; ro++) {
@@ -733,7 +733,7 @@ static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder)
 static void drm_helper_encoder_dpms(struct drm_encoder *encoder, int mode)
 {
         struct drm_bridge *bridge = encoder->bridge;
-        struct drm_encoder_helper_funcs *encoder_funcs;
+        const struct drm_encoder_helper_funcs *encoder_funcs;
 
         if (bridge) {
                 if (mode == DRM_MODE_DPMS_ON)
@@ -795,7 +795,7 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode)
         /* from off to on, do crtc then encoder */
         if (mode < old_dpms) {
                 if (crtc) {
-                        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+                        const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
                         if (crtc_funcs->dpms)
                                 (*crtc_funcs->dpms) (crtc,
                                                      drm_helper_choose_crtc_dpms(crtc));
@@ -809,7 +809,7 @@ void drm_helper_connector_dpms(struct drm_connector *connector, int mode)
                 if (encoder)
                         drm_helper_encoder_dpms(encoder, encoder_dpms);
                 if (crtc) {
-                        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+                        const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
                         if (crtc_funcs->dpms)
                                 (*crtc_funcs->dpms) (crtc,
                                                      drm_helper_choose_crtc_dpms(crtc));
@@ -871,7 +871,7 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
 {
         struct drm_crtc *crtc;
         struct drm_encoder *encoder;
-        struct drm_crtc_helper_funcs *crtc_funcs;
+        const struct drm_crtc_helper_funcs *crtc_funcs;
         int encoder_dpms;
         bool ret;
 
@@ -936,7 +936,7 @@ int drm_helper_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mod
                              struct drm_framebuffer *old_fb)
 {
         struct drm_crtc_state *crtc_state;
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+        const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
         int ret;
 
         if (crtc->funcs->atomic_duplicate_state)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 309b9476fe96..cac422916c7a 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -238,7 +238,7 @@ static void drm_fb_helper_restore_lut_atomic(struct drm_crtc *crtc)
 int drm_fb_helper_debug_enter(struct fb_info *info)
 {
         struct drm_fb_helper *helper = info->par;
-        struct drm_crtc_helper_funcs *funcs;
+        const struct drm_crtc_helper_funcs *funcs;
         int i;
 
         list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) {
@@ -285,7 +285,7 @@ int drm_fb_helper_debug_leave(struct fb_info *info)
 {
         struct drm_fb_helper *helper = info->par;
         struct drm_crtc *crtc;
-        struct drm_crtc_helper_funcs *funcs;
+        const struct drm_crtc_helper_funcs *funcs;
         struct drm_framebuffer *fb;
         int i;
 
@@ -765,7 +765,7 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info)
 {
         struct drm_fb_helper *fb_helper = info->par;
         struct drm_device *dev = fb_helper->dev;
-        struct drm_crtc_helper_funcs *crtc_funcs;
+        const struct drm_crtc_helper_funcs *crtc_funcs;
         u16 *red, *green, *blue, *transp;
         struct drm_crtc *crtc;
         int i, j, rc = 0;
@@ -1551,7 +1551,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
         int c, o;
         struct drm_device *dev = fb_helper->dev;
         struct drm_connector *connector;
-        struct drm_connector_helper_funcs *connector_funcs;
+        const struct drm_connector_helper_funcs *connector_funcs;
         struct drm_encoder *encoder;
         int my_score, best_score, score;
         struct drm_fb_helper_crtc **crtcs, *crtc;
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index 33807e0adac7..40c1db9ad7c3 100644
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -401,9 +401,9 @@ int drm_plane_helper_commit(struct drm_plane *plane,
                             struct drm_plane_state *plane_state,
                             struct drm_framebuffer *old_fb)
 {
-        struct drm_plane_helper_funcs *plane_funcs;
+        const struct drm_plane_helper_funcs *plane_funcs;
         struct drm_crtc *crtc[2];
-        struct drm_crtc_helper_funcs *crtc_funcs[2];
+        const struct drm_crtc_helper_funcs *crtc_funcs[2];
         int i, ret = 0;
 
         plane_funcs = plane->helper_private;
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 6591d48c1b9d..d44437fc42b1 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -98,7 +98,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect
 {
         struct drm_device *dev = connector->dev;
         struct drm_display_mode *mode;
-        struct drm_connector_helper_funcs *connector_funcs =
+        const struct drm_connector_helper_funcs *connector_funcs =
                 connector->helper_private;
         int count = 0;
         int mode_flags = 0;