diff options
Diffstat (limited to 'drivers/video/fbdev/core/fbmem.c')
| -rw-r--r-- | drivers/video/fbdev/core/fbmem.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 6f6fc785b545..d04554959ea7 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -54,7 +54,8 @@ int num_registered_fb __read_mostly; EXPORT_SYMBOL(num_registered_fb); bool fb_center_logo __read_mostly; -EXPORT_SYMBOL(fb_center_logo); + +int fb_logo_count __read_mostly = -1; static struct fb_info *get_fb_info(unsigned int idx) { @@ -620,7 +621,7 @@ int fb_prepare_logo(struct fb_info *info, int rotate) memset(&fb_logo, 0, sizeof(struct logo_data)); if (info->flags & FBINFO_MISC_TILEBLITTING || - info->fbops->owner) + info->fbops->owner || !fb_logo_count) return 0; if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) { @@ -686,10 +687,14 @@ int fb_prepare_logo(struct fb_info *info, int rotate) int fb_show_logo(struct fb_info *info, int rotate) { + unsigned int count; int y; - y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, - num_online_cpus()); + if (!fb_logo_count) + return 0; + + count = fb_logo_count < 0 ? num_online_cpus() : fb_logo_count; + y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, count); y = fb_show_extra_logos(info, y, rotate); return y; @@ -1079,7 +1084,7 @@ EXPORT_SYMBOL(fb_blank); static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { - struct fb_ops *fb; + const struct fb_ops *fb; struct fb_var_screeninfo var; struct fb_fix_screeninfo fix; struct fb_cmap cmap_from; @@ -1292,7 +1297,7 @@ static long fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct fb_info *info = file_fb_info(file); - struct fb_ops *fb; + const struct fb_ops *fb; long ret = -ENOIOCTLCMD; if (!info) @@ -1332,16 +1337,23 @@ static int fb_mmap(struct file *file, struct vm_area_struct * vma) { struct fb_info *info = file_fb_info(file); - struct fb_ops *fb; + int (*fb_mmap_fn)(struct fb_info *info, struct vm_area_struct *vma); unsigned long mmio_pgoff; unsigned long start; u32 len; if (!info) return -ENODEV; - fb = info->fbops; mutex_lock(&info->mm_lock); - if (fb->fb_mmap) { + + fb_mmap_fn = info->fbops->fb_mmap; + +#if IS_ENABLED(CONFIG_FB_DEFERRED_IO) + if (info->fbdefio) + fb_mmap_fn = fb_deferred_io_mmap; +#endif + + if (fb_mmap_fn) { int res; /* @@ -1349,7 +1361,7 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) * SME protection is removed ahead of the call */ vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); - res = fb->fb_mmap(info, vma); + res = fb_mmap_fn(info, vma); mutex_unlock(&info->mm_lock); return res; } @@ -1673,7 +1685,7 @@ static void unbind_console(struct fb_info *fb_info) console_unlock(); } -void unlink_framebuffer(struct fb_info *fb_info) +static void unlink_framebuffer(struct fb_info *fb_info) { int i; @@ -1692,7 +1704,6 @@ void unlink_framebuffer(struct fb_info *fb_info) fb_info->dev = NULL; } -EXPORT_SYMBOL(unlink_framebuffer); static void do_unregister_framebuffer(struct fb_info *fb_info) { |