[PATCH 1/4] drm: constify all struct drm_encoder_helper_funcs pointers

[Jani Nikula <jani.nikula@xxxxxxxxx>]

They are not to be modified.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/drm_atomic_helper.c             | 8 ++++----
 drivers/gpu/drm/drm_crtc_helper.c               | 8 ++++----
 drivers/gpu/drm/gma500/cdv_intel_hdmi.c         | 2 +-
 drivers/gpu/drm/gma500/cdv_intel_lvds.c         | 2 +-
 drivers/gpu/drm/gma500/gma_display.c            | 4 ++--
 drivers/gpu/drm/gma500/mdfld_dsi_output.c       | 2 +-
 drivers/gpu/drm/gma500/psb_intel_lvds.c         | 2 +-
 drivers/gpu/drm/nouveau/dispnv04/dac.c          | 6 +++---
 drivers/gpu/drm/nouveau/dispnv04/dfp.c          | 6 +++---
 drivers/gpu/drm/nouveau/dispnv04/disp.c         | 6 +++---
 drivers/gpu/drm/nouveau/dispnv04/tvnv04.c       | 4 ++--
 drivers/gpu/drm/nouveau/dispnv04/tvnv17.c       | 4 ++--
 drivers/gpu/drm/nouveau/nouveau_connector.c     | 2 +-
 drivers/gpu/drm/radeon/radeon_connectors.c      | 8 ++++----
 drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 2 +-
 15 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 5bcb4baeb9cb..5a40158fe02b 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -264,7 +264,7 @@ mode_fixup(struct drm_atomic_state *state)
 	}
 
 	for (i = 0; i < state->num_connector; i++) {
-		const struct drm_encoder_helper_funcs *funcs;
+		const const struct drm_encoder_helper_funcs *funcs;
 		struct drm_encoder *encoder;
 
 		conn_state = state->connector_states[i];
@@ -571,7 +571,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
 	int i;
 
 	for (i = 0; i < old_state->num_connector; i++) {
-		const struct drm_encoder_helper_funcs *funcs;
+		const const struct drm_encoder_helper_funcs *funcs;
 		struct drm_connector_state *old_conn_state;
 		struct drm_connector *connector;
 		struct drm_encoder *encoder;
@@ -732,7 +732,7 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state)
 	}
 
 	for (i = 0; i < old_state->num_connector; i++) {
-		const struct drm_encoder_helper_funcs *funcs;
+		const const struct drm_encoder_helper_funcs *funcs;
 		struct drm_connector *connector;
 		struct drm_crtc_state *new_crtc_state;
 		struct drm_encoder *encoder;
@@ -838,7 +838,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
 	}
 
 	for (i = 0; i < old_state->num_connector; i++) {
-		const struct drm_encoder_helper_funcs *funcs;
+		const const struct drm_encoder_helper_funcs *funcs;
 		struct drm_connector *connector;
 		struct drm_encoder *encoder;
 
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 3053aab968f9..6552f844e8c6 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);
@@ -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) {
@@ -272,7 +272,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
 	struct drm_device *dev = crtc->dev;
 	struct drm_display_mode *adjusted_mode, saved_mode;
 	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	struct drm_encoder_helper_funcs *encoder_funcs;
+	const struct drm_encoder_helper_funcs *encoder_funcs;
 	int saved_x, saved_y;
 	bool saved_enabled;
 	struct drm_encoder *encoder;
@@ -732,7 +732,7 @@ 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)
diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
index 4268bf210034..6b1d3340ba14 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
@@ -195,7 +195,7 @@ static int cdv_hdmi_set_property(struct drm_connector *connector,
 					    encoder->crtc->x, encoder->crtc->y, encoder->crtc->primary->fb))
 					return -1;
 			} else {
-				struct drm_encoder_helper_funcs *helpers
+				const struct drm_encoder_helper_funcs *helpers
 						    = encoder->helper_private;
 				helpers->mode_set(encoder, &crtc->saved_mode,
 					     &crtc->saved_adjusted_mode);
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
index 0b770396548c..211069b2b951 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -505,7 +505,7 @@ static int cdv_intel_lvds_set_property(struct drm_connector *connector,
 		else
                         gma_backlight_set(encoder->dev, value);
 	} else if (!strcmp(property->name, "DPMS") && encoder) {
-		struct drm_encoder_helper_funcs *helpers =
+		const struct drm_encoder_helper_funcs *helpers =
 					encoder->helper_private;
 		helpers->dpms(encoder, value);
 	}
diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
index 9bb9bddd881a..1aa9c01e9cfc 100644
--- a/drivers/gpu/drm/gma500/gma_display.c
+++ b/drivers/gpu/drm/gma500/gma_display.c
@@ -656,7 +656,7 @@ void gma_crtc_restore(struct drm_crtc *crtc)
 
 void gma_encoder_prepare(struct drm_encoder *encoder)
 {
-	struct drm_encoder_helper_funcs *encoder_funcs =
+	const struct drm_encoder_helper_funcs *encoder_funcs =
 	    encoder->helper_private;
 	/* lvds has its own version of prepare see psb_intel_lvds_prepare */
 	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
@@ -664,7 +664,7 @@ void gma_encoder_prepare(struct drm_encoder *encoder)
 
 void gma_encoder_commit(struct drm_encoder *encoder)
 {
-	struct drm_encoder_helper_funcs *encoder_funcs =
+	const struct drm_encoder_helper_funcs *encoder_funcs =
 	    encoder->helper_private;
 	/* lvds has its own version of commit see psb_intel_lvds_commit */
 	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
index abf2248da61e..89f705c3a5eb 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
@@ -290,7 +290,7 @@ static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
 						encoder->crtc->primary->fb))
 					goto set_prop_error;
 			} else {
-				struct drm_encoder_helper_funcs *funcs =
+				const struct drm_encoder_helper_funcs *funcs =
 						encoder->helper_private;
 				funcs->mode_set(encoder,
 					&gma_crtc->saved_mode,
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
index 88aad95bde09..ce0645d0c1e5 100644
--- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -625,7 +625,7 @@ int psb_intel_lvds_set_property(struct drm_connector *connector,
 		else
                         gma_backlight_set(encoder->dev, value);
 	} else if (!strcmp(property->name, "DPMS")) {
-		struct drm_encoder_helper_funcs *hfuncs
+		const struct drm_encoder_helper_funcs *hfuncs
 						= encoder->helper_private;
 		hfuncs->dpms(encoder, value);
 	}
diff --git a/drivers/gpu/drm/nouveau/dispnv04/dac.c b/drivers/gpu/drm/nouveau/dispnv04/dac.c
index d7b495a5f30c..af2a8b31be98 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/dac.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/dac.c
@@ -358,7 +358,7 @@ static bool nv04_dac_mode_fixup(struct drm_encoder *encoder,
 
 static void nv04_dac_prepare(struct drm_encoder *encoder)
 {
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 	struct drm_device *dev = encoder->dev;
 	int head = nouveau_crtc(encoder->crtc)->index;
 
@@ -409,7 +409,7 @@ static void nv04_dac_commit(struct drm_encoder *encoder)
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
 	struct nouveau_drm *drm = nouveau_drm(encoder->dev);
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 
 	helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
@@ -526,7 +526,7 @@ static const struct drm_encoder_funcs nv04_dac_funcs = {
 int
 nv04_dac_create(struct drm_connector *connector, struct dcb_output *entry)
 {
-	const struct drm_encoder_helper_funcs *helper;
+	const const struct drm_encoder_helper_funcs *helper;
 	struct nouveau_encoder *nv_encoder = NULL;
 	struct drm_device *dev = connector->dev;
 	struct drm_encoder *encoder;
diff --git a/drivers/gpu/drm/nouveau/dispnv04/dfp.c b/drivers/gpu/drm/nouveau/dispnv04/dfp.c
index f6ca343fd34a..d2117c1991ae 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/dfp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/dfp.c
@@ -244,7 +244,7 @@ static void nv04_dfp_prepare_sel_clk(struct drm_device *dev,
 static void nv04_dfp_prepare(struct drm_encoder *encoder)
 {
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 	struct drm_device *dev = encoder->dev;
 	int head = nouveau_crtc(encoder->crtc)->index;
 	struct nv04_crtc_reg *crtcstate = nv04_display(dev)->mode_reg.crtc_reg;
@@ -445,7 +445,7 @@ static void nv04_dfp_commit(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
 	struct dcb_output *dcbe = nv_encoder->dcb;
@@ -680,7 +680,7 @@ static const struct drm_encoder_funcs nv04_dfp_funcs = {
 int
 nv04_dfp_create(struct drm_connector *connector, struct dcb_output *entry)
 {
-	const struct drm_encoder_helper_funcs *helper;
+	const const struct drm_encoder_helper_funcs *helper;
 	struct nouveau_encoder *nv_encoder = NULL;
 	struct drm_encoder *encoder;
 	int type;
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index f96237ef2a6b..4131be5507ab 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -109,7 +109,7 @@ nv04_display_create(struct drm_device *dev)
 		crtc->funcs->save(crtc);
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct drm_encoder_helper_funcs *func = encoder->helper_private;
+		const struct drm_encoder_helper_funcs *func = encoder->helper_private;
 
 		func->save(encoder);
 	}
@@ -138,7 +138,7 @@ nv04_display_destroy(struct drm_device *dev)
 
 	/* Restore state */
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct drm_encoder_helper_funcs *func = encoder->helper_private;
+		const struct drm_encoder_helper_funcs *func = encoder->helper_private;
 
 		func->restore(encoder);
 	}
@@ -169,7 +169,7 @@ nv04_display_init(struct drm_device *dev)
 	 * on suspend too.
 	 */
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct drm_encoder_helper_funcs *func = encoder->helper_private;
+		const struct drm_encoder_helper_funcs *func = encoder->helper_private;
 
 		func->restore(encoder);
 	}
diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c
index d9664b37def1..70e95cf6fd19 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c
@@ -122,7 +122,7 @@ static void nv04_tv_prepare(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
 	int head = nouveau_crtc(encoder->crtc)->index;
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 
 	helper->dpms(encoder, DRM_MODE_DPMS_OFF);
 
@@ -164,7 +164,7 @@ static void nv04_tv_commit(struct drm_encoder *encoder)
 	struct drm_device *dev = encoder->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 
 	helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
index 731d74efc1e5..d9720dda8385 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
@@ -405,7 +405,7 @@ static void nv17_tv_prepare(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
 	int head = nouveau_crtc(encoder->crtc)->index;
 	uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[
@@ -583,7 +583,7 @@ static void nv17_tv_commit(struct drm_encoder *encoder)
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-	struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
 
 	if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
 		nv17_tv_update_rescaler(encoder);
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index db7095ae4ebb..d3b022b5e8bd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -309,7 +309,7 @@ detect_analog:
 		nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
 	if (nv_encoder && force) {
 		struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
-		struct drm_encoder_helper_funcs *helper =
+		const struct drm_encoder_helper_funcs *helper =
 						encoder->helper_private;
 
 		if (helper->detect(encoder, connector) ==
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 27def67cb6be..5f25fc2146cb 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -964,7 +964,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 	struct drm_encoder *encoder;
-	struct drm_encoder_helper_funcs *encoder_funcs;
+	const struct drm_encoder_helper_funcs *encoder_funcs;
 	bool dret = false;
 	enum drm_connector_status ret = connector_status_disconnected;
 	int r;
@@ -1094,7 +1094,7 @@ static enum drm_connector_status
 radeon_tv_detect(struct drm_connector *connector, bool force)
 {
 	struct drm_encoder *encoder;
-	struct drm_encoder_helper_funcs *encoder_funcs;
+	const struct drm_encoder_helper_funcs *encoder_funcs;
 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 	enum drm_connector_status ret = connector_status_disconnected;
 	int r;
@@ -1174,7 +1174,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 	struct drm_encoder *encoder = NULL;
-	struct drm_encoder_helper_funcs *encoder_funcs;
+	const struct drm_encoder_helper_funcs *encoder_funcs;
 	int i, r;
 	enum drm_connector_status ret = connector_status_disconnected;
 	bool dret = false, broken_edid = false;
@@ -1635,7 +1635,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
 			if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
 				ret = connector_status_connected;
 			else if (radeon_connector->dac_load_detect) { /* try load detection */
-				struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+				const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
 				ret = encoder_funcs->detect(encoder, connector);
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index c89971d904c3..45715307db71 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -36,7 +36,7 @@
 static void radeon_legacy_encoder_disable(struct drm_encoder *encoder)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct drm_encoder_helper_funcs *encoder_funcs;
+	const struct drm_encoder_helper_funcs *encoder_funcs;
 
 	encoder_funcs = encoder->helper_private;
 	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-- 
2.1.4

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