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[Linux-fbdev-devel] [PATCH 4/10] fbdev modedb: make more pointer parameters const
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From: Geert U. <Gee...@so...> - 2007-01-30 17:01:56
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fbdev modedb: make more input and output pointer parameters const
Signed-off-by: Geert Uytterhoeven <Gee...@so...>
---
drivers/video/console/fbcon.c | 4 ++--
drivers/video/console/fbcon.h | 2 +-
drivers/video/fbsysfs.c | 2 +-
drivers/video/i810/i810_main.c | 4 ++--
drivers/video/modedb.c | 33 +++++++++++++++++----------------
drivers/video/nvidia/nvidia.c | 8 ++++----
drivers/video/riva/fbdev.c | 5 +++--
drivers/video/savage/savagefb_driver.c | 12 ++++++------
include/linux/fb.h | 31 ++++++++++++++++---------------
9 files changed, 52 insertions(+), 49 deletions(-)
--- ps3-linux-2.6.20-rc6.orig/drivers/video/console/fbcon.c
+++ ps3-linux-2.6.20-rc6/drivers/video/console/fbcon.c
@@ -2071,7 +2071,7 @@ static int fbcon_resize(struct vc_data *
y_diff = info->var.yres - var.yres;
if (x_diff < 0 || x_diff > virt_fw ||
y_diff < 0 || y_diff > virt_fh) {
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
mode = fb_find_best_mode(&var, &info->modelist);
@@ -2975,7 +2975,7 @@ static void fbcon_new_modelist(struct fb
int i;
struct vc_data *vc;
struct fb_var_screeninfo var;
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
for (i = first_fb_vc; i <= last_fb_vc; i++) {
if (registered_fb[con2fb_map[i]] != info)
--- ps3-linux-2.6.20-rc6.orig/drivers/video/console/fbcon.h
+++ ps3-linux-2.6.20-rc6/drivers/video/console/fbcon.h
@@ -48,7 +48,7 @@ struct display {
struct fb_bitfield green;
struct fb_bitfield blue;
struct fb_bitfield transp;
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
};
struct fbcon_ops {
--- ps3-linux-2.6.20-rc6.orig/drivers/video/fbsysfs.c
+++ ps3-linux-2.6.20-rc6/drivers/video/fbsysfs.c
@@ -175,7 +175,7 @@ static ssize_t store_modes(struct device
acquire_console_sem();
list_splice(&fb_info->modelist, &old_list);
- fb_videomode_to_modelist((struct fb_videomode *)buf, i,
+ fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
&fb_info->modelist);
if (fb_new_modelist(fb_info)) {
fb_destroy_modelist(&fb_info->modelist);
--- ps3-linux-2.6.20-rc6.orig/drivers/video/i810/i810_main.c
+++ ps3-linux-2.6.20-rc6/drivers/video/i810/i810_main.c
@@ -1049,7 +1049,7 @@ static int i810_check_params(struct fb_v
mode_valid = 1;
if (!mode_valid && info->monspecs.modedb_len) {
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
mode = fb_find_best_mode(var, &info->modelist);
if (mode) {
@@ -1919,7 +1919,7 @@ static void __devinit i810fb_find_init_m
fb_videomode_to_modelist(specs->modedb, specs->modedb_len,
&info->modelist);
if (specs->modedb != NULL) {
- struct fb_videomode *m;
+ const struct fb_videomode *m;
if (xres && yres) {
if ((m = fb_find_best_mode(&var, &info->modelist))) {
--- ps3-linux-2.6.20-rc6.orig/drivers/video/modedb.c
+++ ps3-linux-2.6.20-rc6/drivers/video/modedb.c
@@ -668,7 +668,7 @@ done:
* @var: pointer to struct fb_var_screeninfo
*/
void fb_var_to_videomode(struct fb_videomode *mode,
- struct fb_var_screeninfo *var)
+ const struct fb_var_screeninfo *var)
{
u32 pixclock, hfreq, htotal, vtotal;
@@ -712,7 +712,7 @@ void fb_var_to_videomode(struct fb_video
* @mode: pointer to struct fb_videomode
*/
void fb_videomode_to_var(struct fb_var_screeninfo *var,
- struct fb_videomode *mode)
+ const struct fb_videomode *mode)
{
var->xres = mode->xres;
var->yres = mode->yres;
@@ -735,8 +735,8 @@ void fb_videomode_to_var(struct fb_var_s
* RETURNS:
* 1 if equal, 0 if not
*/
-int fb_mode_is_equal(struct fb_videomode *mode1,
- struct fb_videomode *mode2)
+int fb_mode_is_equal(const struct fb_videomode *mode1,
+ const struct fb_videomode *mode2)
{
return (mode1->xres == mode2->xres &&
mode1->yres == mode2->yres &&
@@ -768,8 +768,8 @@ int fb_mode_is_equal(struct fb_videomode
* var->xres and var->yres. If more than 1 videomode is found, will return
* the videomode with the highest refresh rate
*/
-struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
- struct list_head *head)
+const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -806,8 +806,8 @@ struct fb_videomode *fb_find_best_mode(s
* If more than 1 videomode is found, will return the videomode with
* the closest refresh rate.
*/
-struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
- struct list_head *head)
+const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -845,8 +845,8 @@ struct fb_videomode *fb_find_nearest_mod
* RETURNS:
* struct fb_videomode, NULL if none found
*/
-struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
- struct list_head *head)
+const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -870,7 +870,7 @@ struct fb_videomode *fb_match_mode(struc
* NOTES:
* Will only add unmatched mode entries
*/
-int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
+int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -905,7 +905,8 @@ int fb_add_videomode(struct fb_videomode
* NOTES:
* Will remove all matching mode entries
*/
-void fb_delete_videomode(struct fb_videomode *mode, struct list_head *head)
+void fb_delete_videomode(const struct fb_videomode *mode,
+ struct list_head *head)
{
struct list_head *pos, *n;
struct fb_modelist *modelist;
@@ -941,7 +942,7 @@ void fb_destroy_modelist(struct list_hea
* @num: number of entries in array
* @head: struct list_head of modelist
*/
-void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
+void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
struct list_head *head)
{
int i;
@@ -954,12 +955,12 @@ void fb_videomode_to_modelist(struct fb_
}
}
-struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
- struct list_head *head)
+const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
- struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
+ const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
int first = 0;
if (!head->prev || !head->next || list_empty(head))
--- ps3-linux-2.6.20-rc6.orig/drivers/video/nvidia/nvidia.c
+++ ps3-linux-2.6.20-rc6/drivers/video/nvidia/nvidia.c
@@ -829,7 +829,7 @@ static int nvidiafb_check_var(struct fb_
}
if (!mode_valid) {
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
mode = fb_find_best_mode(var, &info->modelist);
if (mode) {
@@ -1046,10 +1046,10 @@ static int __devinit nvidia_set_fbinfo(s
}
if (specs->modedb != NULL) {
- struct fb_videomode *modedb;
+ const struct fb_videomode *mode;
- modedb = fb_find_best_display(specs, &info->modelist);
- fb_videomode_to_var(&nvidiafb_default_var, modedb);
+ mode = fb_find_best_display(specs, &info->modelist);
+ fb_videomode_to_var(&nvidiafb_default_var, mode);
nvidiafb_default_var.bits_per_pixel = bpp;
} else if (par->fpWidth && par->fpHeight) {
char buf[16];
--- ps3-linux-2.6.20-rc6.orig/drivers/video/riva/fbdev.c
+++ ps3-linux-2.6.20-rc6/drivers/video/riva/fbdev.c
@@ -894,7 +894,8 @@ out:
return rc;
}
-static void riva_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
+static void riva_update_var(struct fb_var_screeninfo *var,
+ const struct fb_videomode *modedb)
{
NVTRACE_ENTER();
var->xres = var->xres_virtual = modedb->xres;
@@ -1148,7 +1149,7 @@ static int rivafb_release(struct fb_info
static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
struct riva_par *par = info->par;
int nom, den; /* translating from pixels->bytes */
int mode_valid = 0;
--- ps3-linux-2.6.20-rc6.orig/drivers/video/savage/savagefb_driver.c
+++ ps3-linux-2.6.20-rc6/drivers/video/savage/savagefb_driver.c
@@ -833,7 +833,8 @@ static void savage_set_default_par(struc
vga_out8(0x3d5, cr66, par);
}
-static void savage_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb)
+static void savage_update_var(struct fb_var_screeninfo *var,
+ const struct fb_videomode *modedb)
{
var->xres = var->xres_virtual = modedb->xres;
var->yres = modedb->yres;
@@ -902,7 +903,7 @@ static int savagefb_check_var(struct fb_
}
if (!mode_valid) {
- struct fb_videomode *mode;
+ const struct fb_videomode *mode;
mode = fb_find_best_mode(var, &info->modelist);
if (mode) {
@@ -2206,11 +2207,10 @@ static int __devinit savagefb_probe(stru
info->monspecs.modedb, info->monspecs.modedb_len,
NULL, 8);
} else if (info->monspecs.modedb != NULL) {
- struct fb_videomode *modedb;
+ const struct fb_videomode *mode;
- modedb = fb_find_best_display(&info->monspecs,
- &info->modelist);
- savage_update_var(&info->var, modedb);
+ mode = fb_find_best_display(&info->monspecs, &info->modelist);
+ savage_update_var(&info->var, mode);
}
/* maximize virtual vertical length */
--- ps3-linux-2.6.20-rc6.orig/include/linux/fb.h
+++ ps3-linux-2.6.20-rc6/include/linux/fb.h
@@ -945,25 +945,26 @@ extern unsigned char *fb_ddc_read(struct
/* drivers/video/modedb.c */
#define VESA_MODEDB_SIZE 34
extern void fb_var_to_videomode(struct fb_videomode *mode,
- struct fb_var_screeninfo *var);
+ const struct fb_var_screeninfo *var);
extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
- struct fb_videomode *mode);
-extern int fb_mode_is_equal(struct fb_videomode *mode1,
- struct fb_videomode *mode2);
-extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
-extern void fb_delete_videomode(struct fb_videomode *mode,
+ const struct fb_videomode *mode);
+extern int fb_mode_is_equal(const struct fb_videomode *mode1,
+ const struct fb_videomode *mode2);
+extern int fb_add_videomode(const struct fb_videomode *mode,
+ struct list_head *head);
+extern void fb_delete_videomode(const struct fb_videomode *mode,
struct list_head *head);
-extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
- struct list_head *head);
-extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
- struct list_head *head);
-extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
- struct list_head *head);
+extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
+ struct list_head *head);
extern void fb_destroy_modelist(struct list_head *head);
-extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
+extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
struct list_head *head);
-extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
- struct list_head *head);
+extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
+ struct list_head *head);
/* drivers/video/fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
Gee...@so... ------- The Corporate Village, Da Vincilaan 7-D1
Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium
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