releases/5.4.66/fbcon-remove-now-unusued-softback_lines-cursor-argument.patch

From 06a0df4d1b8b13b551668e47b11fd7629033b7df Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 8 Sep 2020 10:56:27 -0700
Subject: fbcon: remove now unusued 'softback_lines' cursor() argument

From: Linus Torvalds <torvalds@linux-foundation.org>

commit 06a0df4d1b8b13b551668e47b11fd7629033b7df upstream.

Since the softscroll code got removed, this argument is always zero and
makes no sense any more.

Tested-by: Yuan Ming <yuanmingbuaa@gmail.com>
Tested-by: Willy Tarreau <w@1wt.eu>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/video/fbdev/core/bitblit.c   |   11 +----------
 drivers/video/fbdev/core/fbcon.c     |    4 ++--
 drivers/video/fbdev/core/fbcon.h     |    2 +-
 drivers/video/fbdev/core/fbcon_ccw.c |   11 +----------
 drivers/video/fbdev/core/fbcon_cw.c  |   11 +----------
 drivers/video/fbdev/core/fbcon_ud.c  |   11 +----------
 drivers/video/fbdev/core/tileblit.c  |    2 +-
 7 files changed, 8 insertions(+), 44 deletions(-)

--- a/drivers/video/fbdev/core/bitblit.c
+++ b/drivers/video/fbdev/core/bitblit.c
@@ -234,7 +234,7 @@ static void bit_clear_margins(struct vc_
 }
 
 static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-		       int softback_lines, int fg, int bg)
+		       int fg, int bg)
 {
 	struct fb_cursor cursor;
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -247,15 +247,6 @@ static void bit_cursor(struct vc_data *v
 
 	cursor.set = 0;
 
-	if (softback_lines) {
-		if (y + softback_lines >= vc->vc_rows) {
-			mode = CM_ERASE;
-			ops->cursor_flash = 0;
-			return;
-		} else
-			y += softback_lines;
-	}
-
  	c = scr_readw((u16 *) vc->vc_pos);
 	attribute = get_attribute(info, c);
 	src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height));
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -394,7 +394,7 @@ static void fb_flashcursor(struct work_s
 	c = scr_readw((u16 *) vc->vc_pos);
 	mode = (!ops->cursor_flash || ops->cursor_state.enable) ?
 		CM_ERASE : CM_DRAW;
-	ops->cursor(vc, info, mode, 0, get_color(vc, info, c, 1),
+	ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
 		    get_color(vc, info, c, 0));
 	console_unlock();
 }
@@ -1339,7 +1339,7 @@ static void fbcon_cursor(struct vc_data
 
 	ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1;
 
-	ops->cursor(vc, info, mode, 0, get_color(vc, info, c, 1),
+	ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
 		    get_color(vc, info, c, 0));
 }
 
--- a/drivers/video/fbdev/core/fbcon.h
+++ b/drivers/video/fbdev/core/fbcon.h
@@ -62,7 +62,7 @@ struct fbcon_ops {
 	void (*clear_margins)(struct vc_data *vc, struct fb_info *info,
 			      int color, int bottom_only);
 	void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode,
-		       int softback_lines, int fg, int bg);
+		       int fg, int bg);
 	int  (*update_start)(struct fb_info *info);
 	int  (*rotate_font)(struct fb_info *info, struct vc_data *vc);
 	struct fb_var_screeninfo var;  /* copy of the current fb_var_screeninfo */
--- a/drivers/video/fbdev/core/fbcon_ccw.c
+++ b/drivers/video/fbdev/core/fbcon_ccw.c
@@ -219,7 +219,7 @@ static void ccw_clear_margins(struct vc_
 }
 
 static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-		       int softback_lines, int fg, int bg)
+		       int fg, int bg)
 {
 	struct fb_cursor cursor;
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -236,15 +236,6 @@ static void ccw_cursor(struct vc_data *v
 
 	cursor.set = 0;
 
-	if (softback_lines) {
-		if (y + softback_lines >= vc->vc_rows) {
-			mode = CM_ERASE;
-			ops->cursor_flash = 0;
-			return;
-		} else
-			y += softback_lines;
-	}
-
  	c = scr_readw((u16 *) vc->vc_pos);
 	attribute = get_attribute(info, c);
 	src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
--- a/drivers/video/fbdev/core/fbcon_cw.c
+++ b/drivers/video/fbdev/core/fbcon_cw.c
@@ -202,7 +202,7 @@ static void cw_clear_margins(struct vc_d
 }
 
 static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-		      int softback_lines, int fg, int bg)
+		      int fg, int bg)
 {
 	struct fb_cursor cursor;
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -219,15 +219,6 @@ static void cw_cursor(struct vc_data *vc
 
 	cursor.set = 0;
 
-	if (softback_lines) {
-		if (y + softback_lines >= vc->vc_rows) {
-			mode = CM_ERASE;
-			ops->cursor_flash = 0;
-			return;
-		} else
-			y += softback_lines;
-	}
-
  	c = scr_readw((u16 *) vc->vc_pos);
 	attribute = get_attribute(info, c);
 	src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
--- a/drivers/video/fbdev/core/fbcon_ud.c
+++ b/drivers/video/fbdev/core/fbcon_ud.c
@@ -249,7 +249,7 @@ static void ud_clear_margins(struct vc_d
 }
 
 static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-		      int softback_lines, int fg, int bg)
+		      int fg, int bg)
 {
 	struct fb_cursor cursor;
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -267,15 +267,6 @@ static void ud_cursor(struct vc_data *vc
 
 	cursor.set = 0;
 
-	if (softback_lines) {
-		if (y + softback_lines >= vc->vc_rows) {
-			mode = CM_ERASE;
-			ops->cursor_flash = 0;
-			return;
-		} else
-			y += softback_lines;
-	}
-
  	c = scr_readw((u16 *) vc->vc_pos);
 	attribute = get_attribute(info, c);
 	src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height));
--- a/drivers/video/fbdev/core/tileblit.c
+++ b/drivers/video/fbdev/core/tileblit.c
@@ -80,7 +80,7 @@ static void tile_clear_margins(struct vc
 }
 
 static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
-			int softback_lines, int fg, int bg)
+			int fg, int bg)
 {
 	struct fb_tilecursor cursor;
 	int use_sw = (vc->vc_cursor_type & 0x10);