[PATCH 8/9] drm/drm: constify all struct drm_*_helper funcs pointers

Daniel Vetter daniel at ffwll.ch
Tue Apr 7 08:03:34 PDT 2015


On Wed, Mar 11, 2015 at 11:51:06AM +0200, Jani Nikula wrote:
> 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 at intel.com>

Merged up to this one to topic/drm-misc, patch 9 needs to be rebased I
think.
-Daniel

> ---
>  drivers/gpu/drm/drm_crtc_helper.c  | 24 ++++++++++++------------
>  drivers/gpu/drm/drm_fb_helper.c    |  8 ++++----
>  drivers/gpu/drm/drm_plane_helper.c |  4 ++--
>  drivers/gpu/drm/drm_probe_helper.c |  2 +-
>  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 3053aab968f9..e4a55bbe698d 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;
> -	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;
> @@ -472,7 +472,7 @@ 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;
> @@ -572,7 +572,7 @@ 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++) {
> @@ -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)
> @@ -794,7 +794,7 @@ 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));
> @@ -808,7 +808,7 @@ 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));
> @@ -870,7 +870,7 @@ 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;
>  
> @@ -935,7 +935,7 @@ 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 1e6a0c760c5d..3e71f613f8e1 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;
> @@ -1529,7 +1529,7 @@ 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;
> -- 
> 2.1.4
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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