[PATCH 29/33] fbcon: replace FB_EVENT_MODE_CHANGE/_ALL with direct calls

[Daniel Vetter <daniel.vetter@ffwll.ch>]

Create a new wrapper function for this, feels like there's some
refactoring room here between the two modes.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Yisheng Xie <ysxie@foxmail.com>
Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: Peter Rosin <peda@axentia.se>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: linux-fbdev@vger.kernel.org
---
 drivers/video/backlight/lcd.c          |  2 --
 drivers/video/fbdev/core/fbcon.c       | 15 +++++++++------
 drivers/video/fbdev/core/fbmem.c       | 13 ++-----------
 drivers/video/fbdev/sh_mobile_lcdcfb.c | 11 +----------
 include/linux/fb.h                     |  4 ----
 include/linux/fbcon.h                  |  2 ++
 6 files changed, 14 insertions(+), 33 deletions(-)

diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 4b40c6a4d441..16298041b141 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -32,8 +32,6 @@ static int fb_notifier_callback(struct notifier_block *self,
 	/* If we aren't interested in this event, skip it immediately ... */
 	switch (event) {
 	case FB_EVENT_BLANK:
-	case FB_EVENT_MODE_CHANGE:
-	case FB_EVENT_MODE_CHANGE_ALL:
 	case FB_EARLY_EVENT_BLANK:
 	case FB_R_EARLY_EVENT_BLANK:
 		break;
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index c1a7476e980f..8cc62d340387 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -3005,6 +3005,15 @@ static void fbcon_set_all_vcs(struct fb_info *info)
 		fbcon_modechanged(info);
 }
 
+
+void fbcon_update_vcs(struct fb_info *info, bool all)
+{
+	if (all)
+		fbcon_set_all_vcs(info);
+	else
+		fbcon_modechanged(info);
+}
+
 int fbcon_mode_deleted(struct fb_info *info,
 		       struct fb_videomode *mode)
 {
@@ -3314,12 +3323,6 @@ static int fbcon_event_notify(struct notifier_block *self,
 	int idx, ret = 0;
 
 	switch(action) {
-	case FB_EVENT_MODE_CHANGE:
-		fbcon_modechanged(info);
-		break;
-	case FB_EVENT_MODE_CHANGE_ALL:
-		fbcon_set_all_vcs(info);
-		break;
 	case FB_EVENT_SET_CONSOLE_MAP:
 		/* called with console lock held */
 		con2fb = event->data;
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index cbd58ba8a59d..55b88163edc2 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1039,17 +1039,8 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 	    !list_empty(&info->modelist))
 		ret = fb_add_videomode(&mode, &info->modelist);
 
-	if (!ret && (flags & FBINFO_MISC_USEREVENT)) {
-		struct fb_event event;
-		int evnt = (activate & FB_ACTIVATE_ALL) ?
-			FB_EVENT_MODE_CHANGE_ALL :
-			FB_EVENT_MODE_CHANGE;
-
-		info->flags &= ~FBINFO_MISC_USEREVENT;
-		event.info = info;
-		event.data = &mode;
-		fb_notifier_call_chain(evnt, &event);
-	}
+	if (!ret && (flags & FBINFO_MISC_USEREVENT))
+		fbcon_update_vcs(info, activate & FB_ACTIVATE_ALL);
 
 	return ret;
 }
diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c
index 0d7a044852d7..bb1a610d0363 100644
--- a/drivers/video/fbdev/sh_mobile_lcdcfb.c
+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c
@@ -1776,8 +1776,6 @@ static void sh_mobile_fb_reconfig(struct fb_info *info)
 	struct sh_mobile_lcdc_chan *ch = info->par;
 	struct fb_var_screeninfo var;
 	struct fb_videomode mode;
-	struct fb_event event;
-	int evnt = FB_EVENT_MODE_CHANGE_ALL;
 
 	if (ch->use_count > 1 || (ch->use_count == 1 && !info->fbcon_par))
 		/* More framebuffer users are active */
@@ -1799,14 +1797,7 @@ static void sh_mobile_fb_reconfig(struct fb_info *info)
 		/* Couldn't reconfigure, hopefully, can continue as before */
 		return;
 
-	/*
-	 * fb_set_var() calls the notifier change internally, only if
-	 * FBINFO_MISC_USEREVENT flag is set. Since we do not want to fake a
-	 * user event, we have to call the chain ourselves.
-	 */
-	event.info = info;
-	event.data = &ch->display.mode;
-	fb_notifier_call_chain(evnt, &event);
+	fbcon_update_vcs(info, true);
 }
 
 /*
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 4b9b882f8f52..54d6bee09121 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -124,16 +124,12 @@ struct fb_cursor_user {
  * Register/unregister for framebuffer events
  */
 
-/*	The resolution of the passed in fb_info about to change */ 
-#define FB_EVENT_MODE_CHANGE		0x01
 /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
 #define FB_EVENT_GET_CONSOLE_MAP        0x07
 /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
 #define FB_EVENT_SET_CONSOLE_MAP        0x08
 /*      A display blank is requested       */
 #define FB_EVENT_BLANK                  0x09
-/*      Private modelist is to be replaced */
-#define FB_EVENT_MODE_CHANGE_ALL	0x0B
 /*      CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */
 #define FB_EVENT_REMAP_ALL_CONSOLE      0x0F
 /*      A hardware display blank early change occurred */
diff --git a/include/linux/fbcon.h b/include/linux/fbcon.h
index 90e196c835dd..daaa97b0c9e6 100644
--- a/include/linux/fbcon.h
+++ b/include/linux/fbcon.h
@@ -15,6 +15,7 @@ void fbcon_new_modelist(struct fb_info *info);
 void fbcon_get_requirement(struct fb_info *info,
 			   struct fb_blit_caps *caps);
 void fbcon_fb_blanked(struct fb_info *info, int blank);
+void fbcon_update_vcs(struct fb_info *info, bool all);
 #else
 static inline void fb_console_init(void) {}
 static inline void fb_console_exit(void) {}
@@ -29,6 +30,7 @@ void fbcon_new_modelist(struct fb_info *info) {}
 void fbcon_get_requirement(struct fb_info *info,
 			   struct fb_blit_caps *caps) {}
 void fbcon_fb_blanked(struct fb_info *info, int blank) {}
+void fbcon_update_vcs(struct fb_info *info, bool all) {}
 #endif
 
 #endif /* _LINUX_FBCON_H */
-- 
2.20.1