[PATCH v3 01/11] fbdev: Rework fb_blank()
flat view
STALE571d
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2025-03-06 14:13:16
Also in:
dri-devel, linux-leds
Subsystem:
framebuffer core, framebuffer layer, the rest · Maintainers:
Simona Vetter, Helge Deller, Linus Torvalds
Reimplement fb_blank() to return early on errors. No functional changes. Prepares the helper for tracking the blanking state in struct fb_info. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> --- drivers/video/fbdev/core/fbmem.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 3c568cff2913..39e2b81473ad 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c@@ -339,11 +339,13 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) } EXPORT_SYMBOL(fb_set_var); -int -fb_blank(struct fb_info *info, int blank) +int fb_blank(struct fb_info *info, int blank) { struct fb_event event; - int ret = -EINVAL; + int ret; + + if (!info->fbops->fb_blank) + return -EINVAL; if (blank > FB_BLANK_POWERDOWN) blank = FB_BLANK_POWERDOWN;
@@ -351,13 +353,13 @@ fb_blank(struct fb_info *info, int blank) event.info = info; event.data = ␣ - if (info->fbops->fb_blank) - ret = info->fbops->fb_blank(blank, info); + ret = info->fbops->fb_blank(blank, info); + if (ret) + return ret; - if (!ret) - fb_notifier_call_chain(FB_EVENT_BLANK, &event); + fb_notifier_call_chain(FB_EVENT_BLANK, &event); - return ret; + return 0; } EXPORT_SYMBOL(fb_blank);
--
2.48.1