Commit 93e41f96 authored by Thomas Zimmermann's avatar Thomas Zimmermann Committed by Lee Jones
Browse files

fbdev: Rework fb_blank() 



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: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarSimona Vetter <simona.vetter@ffwll.ch>
Link: https://lore.kernel.org/r/20250321095517.313713-2-tzimmermann@suse.de


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 0af2f6be

drivers/video/fbdev/core/fbmem.c

+10 −8
Original line number Diff line number Diff line
@@ -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 = &blank;



	if (info->fbops->fb_blank)

	ret = info->fbops->fb_blank(blank, info);

	if (ret)

		return ret;



	if (!ret)

	fb_notifier_call_chain(FB_EVENT_BLANK, &event);



	return ret;

	return 0;

}

EXPORT_SYMBOL(fb_blank);