[PATCH] fbdev modedb: make more pointer parameters const
fbdev modedb: make more input and output pointer parameters const Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: James Simmons <jsimmons@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -2071,7 +2071,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
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y_diff = info->var.yres - var.yres;
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if (x_diff < 0 || x_diff > virt_fw ||
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y_diff < 0 || y_diff > virt_fh) {
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
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mode = fb_find_best_mode(&var, &info->modelist);
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@ -2975,7 +2975,7 @@ static void fbcon_new_modelist(struct fb_info *info)
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int i;
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struct vc_data *vc;
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struct fb_var_screeninfo var;
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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for (i = first_fb_vc; i <= last_fb_vc; i++) {
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if (registered_fb[con2fb_map[i]] != info)
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@ -48,7 +48,7 @@ struct display {
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struct fb_bitfield green;
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struct fb_bitfield blue;
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struct fb_bitfield transp;
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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};
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struct fbcon_ops {
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@ -175,7 +175,7 @@ static ssize_t store_modes(struct device *device,
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acquire_console_sem();
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list_splice(&fb_info->modelist, &old_list);
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fb_videomode_to_modelist((struct fb_videomode *)buf, i,
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fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
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&fb_info->modelist);
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if (fb_new_modelist(fb_info)) {
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fb_destroy_modelist(&fb_info->modelist);
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@ -1049,7 +1049,7 @@ static int i810_check_params(struct fb_var_screeninfo *var,
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mode_valid = 1;
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if (!mode_valid && info->monspecs.modedb_len) {
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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mode = fb_find_best_mode(var, &info->modelist);
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if (mode) {
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@ -1924,7 +1924,7 @@ static void __devinit i810fb_find_init_mode(struct fb_info *info)
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fb_videomode_to_modelist(specs->modedb, specs->modedb_len,
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&info->modelist);
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if (specs->modedb != NULL) {
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struct fb_videomode *m;
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const struct fb_videomode *m;
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if (xres && yres) {
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if ((m = fb_find_best_mode(&var, &info->modelist))) {
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@ -668,7 +668,7 @@ done:
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* @var: pointer to struct fb_var_screeninfo
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*/
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void fb_var_to_videomode(struct fb_videomode *mode,
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struct fb_var_screeninfo *var)
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const struct fb_var_screeninfo *var)
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{
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u32 pixclock, hfreq, htotal, vtotal;
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@ -712,7 +712,7 @@ void fb_var_to_videomode(struct fb_videomode *mode,
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* @mode: pointer to struct fb_videomode
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*/
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void fb_videomode_to_var(struct fb_var_screeninfo *var,
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struct fb_videomode *mode)
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const struct fb_videomode *mode)
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{
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var->xres = mode->xres;
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var->yres = mode->yres;
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@ -735,8 +735,8 @@ void fb_videomode_to_var(struct fb_var_screeninfo *var,
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* RETURNS:
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* 1 if equal, 0 if not
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*/
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int fb_mode_is_equal(struct fb_videomode *mode1,
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struct fb_videomode *mode2)
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int fb_mode_is_equal(const struct fb_videomode *mode1,
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const struct fb_videomode *mode2)
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{
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return (mode1->xres == mode2->xres &&
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mode1->yres == mode2->yres &&
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@ -768,8 +768,8 @@ int fb_mode_is_equal(struct fb_videomode *mode1,
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* var->xres and var->yres. If more than 1 videomode is found, will return
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* the videomode with the highest refresh rate
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*/
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struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
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struct list_head *head)
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const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
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struct list_head *head)
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{
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struct list_head *pos;
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struct fb_modelist *modelist;
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@ -806,8 +806,8 @@ struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
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* If more than 1 videomode is found, will return the videomode with
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* the closest refresh rate.
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*/
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struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
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struct list_head *head)
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const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
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struct list_head *head)
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{
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struct list_head *pos;
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struct fb_modelist *modelist;
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@ -845,8 +845,8 @@ struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
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* RETURNS:
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* struct fb_videomode, NULL if none found
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*/
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struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
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struct list_head *head)
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const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
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struct list_head *head)
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{
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struct list_head *pos;
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struct fb_modelist *modelist;
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@ -870,7 +870,7 @@ struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
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* NOTES:
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* Will only add unmatched mode entries
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*/
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int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
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int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head)
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{
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struct list_head *pos;
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struct fb_modelist *modelist;
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@ -905,7 +905,8 @@ int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
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* NOTES:
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* Will remove all matching mode entries
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*/
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void fb_delete_videomode(struct fb_videomode *mode, struct list_head *head)
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void fb_delete_videomode(const struct fb_videomode *mode,
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struct list_head *head)
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{
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struct list_head *pos, *n;
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struct fb_modelist *modelist;
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@ -941,7 +942,7 @@ void fb_destroy_modelist(struct list_head *head)
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* @num: number of entries in array
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* @head: struct list_head of modelist
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*/
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void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
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void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
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struct list_head *head)
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{
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int i;
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@ -954,12 +955,12 @@ void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
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}
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}
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struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
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struct list_head *head)
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const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
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struct list_head *head)
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{
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struct list_head *pos;
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struct fb_modelist *modelist;
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struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
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const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
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int first = 0;
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if (!head->prev || !head->next || list_empty(head))
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@ -829,7 +829,7 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var,
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}
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if (!mode_valid) {
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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mode = fb_find_best_mode(var, &info->modelist);
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if (mode) {
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@ -1046,10 +1046,10 @@ static int __devinit nvidia_set_fbinfo(struct fb_info *info)
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}
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if (specs->modedb != NULL) {
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struct fb_videomode *modedb;
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const struct fb_videomode *mode;
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modedb = fb_find_best_display(specs, &info->modelist);
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fb_videomode_to_var(&nvidiafb_default_var, modedb);
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mode = fb_find_best_display(specs, &info->modelist);
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fb_videomode_to_var(&nvidiafb_default_var, mode);
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nvidiafb_default_var.bits_per_pixel = bpp;
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} else if (par->fpWidth && par->fpHeight) {
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char buf[16];
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@ -894,7 +894,8 @@ out:
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return rc;
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}
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static void riva_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
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static void riva_update_var(struct fb_var_screeninfo *var,
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const struct fb_videomode *modedb)
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{
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NVTRACE_ENTER();
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var->xres = var->xres_virtual = modedb->xres;
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@ -1152,7 +1153,7 @@ static int rivafb_release(struct fb_info *info, int user)
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static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
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{
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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struct riva_par *par = info->par;
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int nom, den; /* translating from pixels->bytes */
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int mode_valid = 0;
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@ -833,7 +833,8 @@ static void savage_set_default_par(struct savagefb_par *par,
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vga_out8(0x3d5, cr66, par);
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}
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static void savage_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
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static void savage_update_var(struct fb_var_screeninfo *var,
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const struct fb_videomode *modedb)
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{
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var->xres = var->xres_virtual = modedb->xres;
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var->yres = modedb->yres;
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}
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if (!mode_valid) {
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struct fb_videomode *mode;
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const struct fb_videomode *mode;
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mode = fb_find_best_mode(var, &info->modelist);
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if (mode) {
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info->monspecs.modedb, info->monspecs.modedb_len,
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NULL, 8);
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} else if (info->monspecs.modedb != NULL) {
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struct fb_videomode *modedb;
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const struct fb_videomode *mode;
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modedb = fb_find_best_display(&info->monspecs,
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&info->modelist);
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savage_update_var(&info->var, modedb);
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mode = fb_find_best_display(&info->monspecs, &info->modelist);
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savage_update_var(&info->var, mode);
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}
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/* maximize virtual vertical length */
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@ -952,25 +952,26 @@ extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
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/* drivers/video/modedb.c */
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#define VESA_MODEDB_SIZE 34
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extern void fb_var_to_videomode(struct fb_videomode *mode,
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struct fb_var_screeninfo *var);
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const struct fb_var_screeninfo *var);
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extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
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struct fb_videomode *mode);
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extern int fb_mode_is_equal(struct fb_videomode *mode1,
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struct fb_videomode *mode2);
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extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
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extern void fb_delete_videomode(struct fb_videomode *mode,
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const struct fb_videomode *mode);
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extern int fb_mode_is_equal(const struct fb_videomode *mode1,
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const struct fb_videomode *mode2);
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extern int fb_add_videomode(const struct fb_videomode *mode,
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struct list_head *head);
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extern void fb_delete_videomode(const struct fb_videomode *mode,
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struct list_head *head);
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extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
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struct list_head *head);
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extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
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struct list_head *head);
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extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
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struct list_head *head);
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extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
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struct list_head *head);
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extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
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struct list_head *head);
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extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
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struct list_head *head);
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extern void fb_destroy_modelist(struct list_head *head);
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extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
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extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
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struct list_head *head);
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extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
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struct list_head *head);
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extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
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struct list_head *head);
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/* drivers/video/fbcmap.c */
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extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
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