target/linux/s3c24xx/patches-2.6.29/050-dont-override-logo-with-early-printks.patch

   1 diff -ruN linux-2.6.29.orig/drivers/video/console/fbcon.c linux-2.6.29/drivers/video/console/fbcon.c
   2 --- linux-2.6.29.orig/drivers/video/console/fbcon.c     2009-05-14 22:21:12.000000000 +0200
   3 +++ linux-2.6.29/drivers/video/console/fbcon.c  2009-05-15 01:45:36.000000000 +0200
   4 @@ -562,7 +562,7 @@
   5         /* Need to make room for the logo */
   6         struct fbcon_ops *ops = info->fbcon_par;
   7         int cnt, erase = vc->vc_video_erase_char, step;
   8 -       unsigned short *save = NULL, *r, *q;
   9 +       unsigned short *r, *q;
  10         int logo_height;
  11
  12         if (info->flags & FBINFO_MODULE) {
  13 @@ -581,37 +581,18 @@
  14         q = (unsigned short *) (vc->vc_origin +
  15                                 vc->vc_size_row * rows);
  16         step = logo_lines * cols;
  17 -       for (r = q - logo_lines * cols; r < q; r++)
  18 -               if (scr_readw(r) != vc->vc_video_erase_char)
  19 -                       break;
  20 -       if (r != q && new_rows >= rows + logo_lines) {
  21 -               save = kmalloc(logo_lines * new_cols * 2, GFP_KERNEL);
  22 -               if (save) {
  23 -                       int i = cols < new_cols ? cols : new_cols;
  24 -                       scr_memsetw(save, erase, logo_lines * new_cols * 2);
  25 -                       r = q - step;
  26 -                       for (cnt = 0; cnt < logo_lines; cnt++, r += i)
  27 -                               scr_memcpyw(save + cnt * new_cols, r, 2 * i);
  28 -                       r = q;
  29 -               }
  30 -       }
  31 -       if (r == q) {
  32 -               /* We can scroll screen down */
  33 -               r = q - step - cols;
  34 -               for (cnt = rows - logo_lines; cnt > 0; cnt--) {
  35 -                       scr_memcpyw(r + step, r, vc->vc_size_row);
  36 -                       r -= cols;
  37 -               }
  38 -               if (!save) {
  39 -                       int lines;
  40 -                       if (vc->vc_y + logo_lines >= rows)
  41 -                               lines = rows - vc->vc_y - 1;
  42 -                       else
  43 -                               lines = logo_lines;
  44 -                       vc->vc_y += lines;
  45 -                       vc->vc_pos += lines * vc->vc_size_row;
  46 -               }
  47 -       }
  48 +       r = q - step - cols;
  49 +       for (cnt = rows - logo_lines; cnt > 0; cnt--) {
  50 +               scr_memcpyw(r + step, r, vc->vc_size_row);
  51 +               r -= cols;
  52 +       }
  53 +       int lines;
  54 +       if (vc->vc_y + logo_lines >= rows)
  55 +               lines = rows - vc->vc_y - 1;
  56 +       else
  57 +               lines = logo_lines;
  58 +       vc->vc_y += lines;
  59 +       vc->vc_pos += lines * vc->vc_size_row;
  60         scr_memsetw((unsigned short *) vc->vc_origin,
  61                     erase,
  62                     vc->vc_size_row * logo_lines);
  63 @@ -621,16 +602,6 @@
  64                 update_screen(vc);
  65         }
  66
  67 -       if (save) {
  68 -               q = (unsigned short *) (vc->vc_origin +
  69 -                                       vc->vc_size_row *
  70 -                                       rows);
  71 -               scr_memcpyw(q, save, logo_lines * new_cols * 2);
  72 -               vc->vc_y += logo_lines;
  73 -               vc->vc_pos += logo_lines * vc->vc_size_row;
  74 -               kfree(save);
  75 -       }
  76 -
  77         if (logo_lines > vc->vc_bottom) {
  78                 logo_shown = FBCON_LOGO_CANSHOW;
  79                 printk(KERN_INFO