linux-kernel - [PATCH 21/33] fbdev: directly call fbcon

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Date:   Mon, 20 May 2019 10:22:04 +0200
From:   Daniel Vetter <daniel.vetter@...ll.ch>
To:     DRI Development <dri-devel@...ts.freedesktop.org>
Cc:     Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Prarit Bhargava <prarit@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Konstantin Khorenko <khorenko@...tuozzo.com>,
        Yisheng Xie <ysxie@...mail.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Peter Rosin <peda@...ntia.se>,
        Mikulas Patocka <mpatocka@...hat.com>,
        linux-fbdev@...r.kernel.org
Subject: [PATCH 21/33] fbdev: directly call fbcon_suspended/resumed

With the sh_mobile notifier removed we can just directly call the
fbcon code here.

v2: Remove now unused local variable.

Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>
Cc: Hans de Goede <hdegoede@...hat.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Prarit Bhargava <prarit@...hat.com>
Cc: Kees Cook <keescook@...omium.org>
Cc: Konstantin Khorenko <khorenko@...tuozzo.com>
Cc: Yisheng Xie <ysxie@...mail.com>
Cc: "Michał Mirosław" <mirq-linux@...e.qmqm.pl>
Cc: Peter Rosin <peda@...ntia.se>
Cc: Mikulas Patocka <mpatocka@...hat.com>
Cc: linux-fbdev@...r.kernel.org
---
 drivers/video/fbdev/core/fbcon.c | 10 ++--------
 drivers/video/fbdev/core/fbmem.c |  7 ++-----
 include/linux/fb.h               |  8 --------
 include/linux/fbcon.h            |  4 ++++
 4 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index a8d12914b559..b056d1190788 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2915,7 +2915,7 @@ static int fbcon_set_origin(struct vc_data *vc)
 	return 0;
 }
 
-static void fbcon_suspended(struct fb_info *info)
+void fbcon_suspended(struct fb_info *info)
 {
 	struct vc_data *vc = NULL;
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -2928,7 +2928,7 @@ static void fbcon_suspended(struct fb_info *info)
 	fbcon_cursor(vc, CM_ERASE);
 }
 
-static void fbcon_resumed(struct fb_info *info)
+void fbcon_resumed(struct fb_info *info)
 {
 	struct vc_data *vc;
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -3326,12 +3326,6 @@ static int fbcon_event_notify(struct notifier_block *self,
 	int idx, ret = 0;
 
 	switch(action) {
-	case FB_EVENT_SUSPEND:
-		fbcon_suspended(info);
-		break;
-	case FB_EVENT_RESUME:
-		fbcon_resumed(info);
-		break;
 	case FB_EVENT_MODE_CHANGE:
 		fbcon_modechanged(info);
 		break;
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index f059b0b1a030..7c55846ee5fc 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1881,17 +1881,14 @@ EXPORT_SYMBOL(unregister_framebuffer);
  */
 void fb_set_suspend(struct fb_info *info, int state)
 {
-	struct fb_event event;
-
 	WARN_CONSOLE_UNLOCKED();
 
-	event.info = info;
 	if (state) {
-		fb_notifier_call_chain(FB_EVENT_SUSPEND, &event);
+		fbcon_suspended(info);
 		info->state = FBINFO_STATE_SUSPENDED;
 	} else {
 		info->state = FBINFO_STATE_RUNNING;
-		fb_notifier_call_chain(FB_EVENT_RESUME, &event);
+		fbcon_resumed(info);
 	}
 }
 EXPORT_SYMBOL(fb_set_suspend);
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 44021e55b15c..a78bbd372cfd 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -126,14 +126,6 @@ struct fb_cursor_user {
 
 /*	The resolution of the passed in fb_info about to change */ 
 #define FB_EVENT_MODE_CHANGE		0x01
-/*	The display on this fb_info is being suspended, no access to the
- *	framebuffer is allowed any more after that call returns
- */
-#define FB_EVENT_SUSPEND		0x02
-/*	The display on this fb_info was resumed, you can restore the display
- *	if you own it
- */
-#define FB_EVENT_RESUME			0x03
 /*      An entry from the modelist was removed */
 #define FB_EVENT_MODE_DELETE            0x04
 /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
diff --git a/include/linux/fbcon.h b/include/linux/fbcon.h
index 38d44fdb6d14..61a22e6c0c64 100644
--- a/include/linux/fbcon.h
+++ b/include/linux/fbcon.h
@@ -7,12 +7,16 @@ void __exit fb_console_exit(void);
 int fbcon_fb_registered(struct fb_info *info);
 void fbcon_fb_unregistered(struct fb_info *info);
 void fbcon_fb_unbind(struct fb_info *info);
+void fbcon_suspended(struct fb_info *info);
+void fbcon_resumed(struct fb_info *info);
 #else
 static inline void fb_console_init(void) {}
 static inline void fb_console_exit(void) {}
 static inline int fbcon_fb_registered(struct fb_info *info) { return 0; }
 static inline void fbcon_fb_unregistered(struct fb_info *info) {}
 static inline void fbcon_fb_unbind(struct fb_info *info) {}
+static inline void fbcon_suspended(void) {}
+static inline void fbcon_resumed(void) {}
 #endif
 
 #endif /* _LINUX_FBCON_H */
-- 
2.20.1