---

yaml
---
r: 325755
b: refs/heads/master
c: 81732c3
h: refs/heads/master
i:
  325753: 16d1f51
  325751: 0165828
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7b6031a7bcf3b191cf02caa2be6939df9266db40
+refs/heads/master: 81732c3b2fede049a692e58a7ceabb6d18ffb18c

trunk/drivers/tty/vt/vt.c

@@ -537,45 +537,27 @@ void complement_pos(struct vc_data *vc, int offset)
 
 static void insert_char(struct vc_data *vc, unsigned int nr)
 {
-	unsigned short *p, *q = (unsigned short *)vc->vc_pos;
+	unsigned short *p = (unsigned short *) vc->vc_pos;
 
-	p = q + vc->vc_cols - nr - vc->vc_x;
-	while (--p >= q)
-		scr_writew(scr_readw(p), p + nr);
-	scr_memsetw(q, vc->vc_video_erase_char, nr * 2);
+	scr_memmovew(p + nr, p, vc->vc_cols - vc->vc_x);
+	scr_memsetw(p, vc->vc_video_erase_char, nr * 2);
 	vc->vc_need_wrap = 0;
-	if (DO_UPDATE(vc)) {
-		unsigned short oldattr = vc->vc_attr;
-		vc->vc_sw->con_bmove(vc, vc->vc_y, vc->vc_x, vc->vc_y, vc->vc_x + nr, 1,
-				     vc->vc_cols - vc->vc_x - nr);
-		vc->vc_attr = vc->vc_video_erase_char >> 8;
-		while (nr--)
-			vc->vc_sw->con_putc(vc, vc->vc_video_erase_char, vc->vc_y, vc->vc_x + nr);
-		vc->vc_attr = oldattr;
-	}
+	if (DO_UPDATE(vc))
+		do_update_region(vc, (unsigned long) p,
+			(vc->vc_cols - vc->vc_x) / 2 + 1);
 }
 
 static void delete_char(struct vc_data *vc, unsigned int nr)
 {
-	unsigned int i = vc->vc_x;
-	unsigned short *p = (unsigned short *)vc->vc_pos;
+	unsigned short *p = (unsigned short *) vc->vc_pos;
 
-	while (++i <= vc->vc_cols - nr) {
-		scr_writew(scr_readw(p+nr), p);
-		p++;
-	}
-	scr_memsetw(p, vc->vc_video_erase_char, nr * 2);
+	scr_memcpyw(p, p + nr, vc->vc_cols - vc->vc_x - nr);
+	scr_memsetw(p + vc->vc_cols - vc->vc_x - nr, vc->vc_video_erase_char,
+			nr * 2);
 	vc->vc_need_wrap = 0;
-	if (DO_UPDATE(vc)) {
-		unsigned short oldattr = vc->vc_attr;
-		vc->vc_sw->con_bmove(vc, vc->vc_y, vc->vc_x + nr, vc->vc_y, vc->vc_x, 1,
-				     vc->vc_cols - vc->vc_x - nr);
-		vc->vc_attr = vc->vc_video_erase_char >> 8;
-		while (nr--)
-			vc->vc_sw->con_putc(vc, vc->vc_video_erase_char, vc->vc_y,
-				     vc->vc_cols - 1 - nr);
-		vc->vc_attr = oldattr;
-	}
+	if (DO_UPDATE(vc))
+		do_update_region(vc, (unsigned long) p,
+			(vc->vc_cols - vc->vc_x) / 2);
 }
 
 static int softcursor_original;
@@ -1172,45 +1154,26 @@ static void csi_J(struct vc_data *vc, int vpar)
 		case 0:	/* erase from cursor to end of display */
 			count = (vc->vc_scr_end - vc->vc_pos) >> 1;
 			start = (unsigned short *)vc->vc_pos;
-			if (DO_UPDATE(vc)) {
-				/* do in two stages */
-				vc->vc_sw->con_clear(vc, vc->vc_y, vc->vc_x, 1,
-					      vc->vc_cols - vc->vc_x);
-				vc->vc_sw->con_clear(vc, vc->vc_y + 1, 0,
-					      vc->vc_rows - vc->vc_y - 1,
-					      vc->vc_cols);
-			}
 			break;
 		case 1:	/* erase from start to cursor */
 			count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1;
 			start = (unsigned short *)vc->vc_origin;
-			if (DO_UPDATE(vc)) {
-				/* do in two stages */
-				vc->vc_sw->con_clear(vc, 0, 0, vc->vc_y,
-					      vc->vc_cols);
-				vc->vc_sw->con_clear(vc, vc->vc_y, 0, 1,
-					      vc->vc_x + 1);
-			}
 			break;
 		case 3: /* erase scroll-back buffer (and whole display) */
 			scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
 				    vc->vc_screenbuf_size >> 1);
 			set_origin(vc);
-			if (CON_IS_VISIBLE(vc))
-				update_screen(vc);
 			/* fall through */
 		case 2: /* erase whole display */
 			count = vc->vc_cols * vc->vc_rows;
 			start = (unsigned short *)vc->vc_origin;
-			if (DO_UPDATE(vc))
-				vc->vc_sw->con_clear(vc, 0, 0,
-					      vc->vc_rows,
-					      vc->vc_cols);
 			break;
 		default:
 			return;
 	}
 	scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
+	if (DO_UPDATE(vc))
+		do_update_region(vc, (unsigned long) start, count);
 	vc->vc_need_wrap = 0;
 }
 
@@ -1223,29 +1186,22 @@ static void csi_K(struct vc_data *vc, int vpar)
 		case 0:	/* erase from cursor to end of line */
 			count = vc->vc_cols - vc->vc_x;
 			start = (unsigned short *)vc->vc_pos;
-			if (DO_UPDATE(vc))
-				vc->vc_sw->con_clear(vc, vc->vc_y, vc->vc_x, 1,
-						     vc->vc_cols - vc->vc_x);
 			break;
 		case 1:	/* erase from start of line to cursor */
 			start = (unsigned short *)(vc->vc_pos - (vc->vc_x << 1));
 			count = vc->vc_x + 1;
-			if (DO_UPDATE(vc))
-				vc->vc_sw->con_clear(vc, vc->vc_y, 0, 1,
-						     vc->vc_x + 1);
 			break;
 		case 2: /* erase whole line */
 			start = (unsigned short *)(vc->vc_pos - (vc->vc_x << 1));
 			count = vc->vc_cols;
-			if (DO_UPDATE(vc))
-				vc->vc_sw->con_clear(vc, vc->vc_y, 0, 1,
-					      vc->vc_cols);
 			break;
 		default:
 			return;
 	}
 	scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
 	vc->vc_need_wrap = 0;
+	if (DO_UPDATE(vc))
+		do_update_region(vc, (unsigned long) start, count);
 }
 
 static void csi_X(struct vc_data *vc, int vpar) /* erase the following vpar positions */