mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 18:47:06 +00:00
79 lines
2.2 KiB
Diff
79 lines
2.2 KiB
Diff
--- a/drivers/video/console/fbcon.c
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+++ b/drivers/video/console/fbcon.c
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@@ -562,7 +562,7 @@ static void fbcon_prepare_logo(struct vc
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/* Need to make room for the logo */
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struct fbcon_ops *ops = info->fbcon_par;
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int cnt, erase = vc->vc_video_erase_char, step;
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- unsigned short *save = NULL, *r, *q;
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+ unsigned short *r, *q;
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int logo_height;
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if (info->flags & FBINFO_MODULE) {
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@@ -581,37 +581,18 @@ static void fbcon_prepare_logo(struct vc
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q = (unsigned short *) (vc->vc_origin +
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vc->vc_size_row * rows);
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step = logo_lines * cols;
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- for (r = q - logo_lines * cols; r < q; r++)
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- if (scr_readw(r) != vc->vc_video_erase_char)
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- break;
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- if (r != q && new_rows >= rows + logo_lines) {
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- save = kmalloc(logo_lines * new_cols * 2, GFP_KERNEL);
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- if (save) {
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- int i = cols < new_cols ? cols : new_cols;
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- scr_memsetw(save, erase, logo_lines * new_cols * 2);
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- r = q - step;
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- for (cnt = 0; cnt < logo_lines; cnt++, r += i)
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- scr_memcpyw(save + cnt * new_cols, r, 2 * i);
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- r = q;
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- }
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- }
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- if (r == q) {
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- /* We can scroll screen down */
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- r = q - step - cols;
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- for (cnt = rows - logo_lines; cnt > 0; cnt--) {
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- scr_memcpyw(r + step, r, vc->vc_size_row);
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- r -= cols;
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- }
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- if (!save) {
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- int lines;
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- if (vc->vc_y + logo_lines >= rows)
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- lines = rows - vc->vc_y - 1;
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- else
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- lines = logo_lines;
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- vc->vc_y += lines;
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- vc->vc_pos += lines * vc->vc_size_row;
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- }
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- }
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+ r = q - step - cols;
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+ for (cnt = rows - logo_lines; cnt > 0; cnt--) {
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+ scr_memcpyw(r + step, r, vc->vc_size_row);
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+ r -= cols;
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+ }
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+ int lines;
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+ if (vc->vc_y + logo_lines >= rows)
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+ lines = rows - vc->vc_y - 1;
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+ else
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+ lines = logo_lines;
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+ vc->vc_y += lines;
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+ vc->vc_pos += lines * vc->vc_size_row;
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scr_memsetw((unsigned short *) vc->vc_origin,
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erase,
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vc->vc_size_row * logo_lines);
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@@ -621,16 +602,6 @@ static void fbcon_prepare_logo(struct vc
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update_screen(vc);
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}
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- if (save) {
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- q = (unsigned short *) (vc->vc_origin +
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- vc->vc_size_row *
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- rows);
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- scr_memcpyw(q, save, logo_lines * new_cols * 2);
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- vc->vc_y += logo_lines;
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- vc->vc_pos += logo_lines * vc->vc_size_row;
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- kfree(save);
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- }
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-
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if (logo_lines > vc->vc_bottom) {
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logo_shown = FBCON_LOGO_CANSHOW;
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printk(KERN_INFO
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