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path: root/target/linux/s3c24xx/patches-2.6.30/030-dont-override-logo-with-early-printks.patch
blob: 3aa1a0be5aed2ddc3489eaff51cd0e0a5087b56e (plain)
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diff -ruN linux-2.6.29.orig/drivers/video/console/fbcon.c linux-2.6.29/drivers/video/console/fbcon.c
--- linux-2.6.29.orig/drivers/video/console/fbcon.c	2009-05-14 22:21:12.000000000 +0200
+++ linux-2.6.29/drivers/video/console/fbcon.c	2009-05-15 01:45:36.000000000 +0200
@@ -562,7 +562,7 @@
 	/* Need to make room for the logo */
 	struct fbcon_ops *ops = info->fbcon_par;
 	int cnt, erase = vc->vc_video_erase_char, step;
-	unsigned short *save = NULL, *r, *q;
+	unsigned short *r, *q;
 	int logo_height;
 
 	if (info->flags & FBINFO_MODULE) {
@@ -581,37 +581,18 @@
 	q = (unsigned short *) (vc->vc_origin +
 				vc->vc_size_row * rows);
 	step = logo_lines * cols;
-	for (r = q - logo_lines * cols; r < q; r++)
-		if (scr_readw(r) != vc->vc_video_erase_char)
-			break;
-	if (r != q && new_rows >= rows + logo_lines) {
-		save = kmalloc(logo_lines * new_cols * 2, GFP_KERNEL);
-		if (save) {
-			int i = cols < new_cols ? cols : new_cols;
-			scr_memsetw(save, erase, logo_lines * new_cols * 2);
-			r = q - step;
-			for (cnt = 0; cnt < logo_lines; cnt++, r += i)
-				scr_memcpyw(save + cnt * new_cols, r, 2 * i);
-			r = q;
-		}
-	}
-	if (r == q) {
-		/* We can scroll screen down */
-		r = q - step - cols;
-		for (cnt = rows - logo_lines; cnt > 0; cnt--) {
-			scr_memcpyw(r + step, r, vc->vc_size_row);
-			r -= cols;
-		}
-		if (!save) {
-			int lines;
-			if (vc->vc_y + logo_lines >= rows)
-				lines = rows - vc->vc_y - 1;
-			else
-				lines = logo_lines;
-			vc->vc_y += lines;
-			vc->vc_pos += lines * vc->vc_size_row;
-		}
-	}
+	r = q - step - cols;
+	for (cnt = rows - logo_lines; cnt > 0; cnt--) {
+		scr_memcpyw(r + step, r, vc->vc_size_row);
+		r -= cols;
+	}
+	int lines;
+	if (vc->vc_y + logo_lines >= rows)
+		lines = rows - vc->vc_y - 1;
+	else
+		lines = logo_lines;
+	vc->vc_y += lines;
+	vc->vc_pos += lines * vc->vc_size_row;
 	scr_memsetw((unsigned short *) vc->vc_origin,
 		    erase,
 		    vc->vc_size_row * logo_lines);
@@ -621,16 +602,6 @@
 		update_screen(vc);
 	}
 
-	if (save) {
-		q = (unsigned short *) (vc->vc_origin +
-					vc->vc_size_row *
-					rows);
-		scr_memcpyw(q, save, logo_lines * new_cols * 2);
-		vc->vc_y += logo_lines;
-		vc->vc_pos += logo_lines * vc->vc_size_row;
-		kfree(save);
-	}
-
 	if (logo_lines > vc->vc_bottom) {
 		logo_shown = FBCON_LOGO_CANSHOW;
 		printk(KERN_INFO