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fbdev: Make registered_fb[] private to fbmem.c

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No driver access this anymore, except for the olpc dcon fbdev driver but
that has been marked as broken anyways by commit de0952f267 ("staging:
olpc_dcon: mark driver as broken").

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220725075400.68478-1-javierm@redhat.com
This commit is contained in:
Daniel Vetter 2022-07-25 09:54:00 +02:00 committed by Thomas Zimmermann
parent 57b2efce45
commit 5727dcfd84
2 changed files with 3 additions and 9 deletions
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6
drivers/video/fbdev/core/fbmem.c
View File

@ -51,10 +51,10 @@
static DEFINE_MUTEX(registration_lock);
struct fb_info *registered_fb[FB_MAX] __read_mostly;
EXPORT_SYMBOL(registered_fb);
int num_registered_fb __read_mostly;
EXPORT_SYMBOL(num_registered_fb);
#define for_each_registered_fb(i) \
for (i = 0; i < FB_MAX; i++) \
if (!registered_fb[i]) {} else
bool fb_center_logo __read_mostly;

6
include/linux/fb.h
View File

@ -627,16 +627,10 @@ extern int fb_get_color_depth(struct fb_var_screeninfo *var,
extern int fb_get_options(const char *name, char **option);
extern int fb_new_modelist(struct fb_info *info);
extern struct fb_info *registered_fb[FB_MAX];
extern int num_registered_fb;
extern bool fb_center_logo;
extern int fb_logo_count;
extern struct class *fb_class;
#define for_each_registered_fb(i) \
for (i = 0; i < FB_MAX; i++) \
if (!registered_fb[i]) {} else
static inline void lock_fb_info(struct fb_info *info)
{
mutex_lock(&info->lock);