diff options
Diffstat (limited to 'drivers/tty/vt/vt.c')
-rw-r--r-- | drivers/tty/vt/vt.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index f97251f39c26..1eb1a376a041 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c | |||
@@ -1178,15 +1178,8 @@ static void csi_J(struct vc_data *vc, int vpar) | |||
1178 | count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1; | 1178 | count = ((vc->vc_pos - vc->vc_origin) >> 1) + 1; |
1179 | start = (unsigned short *)vc->vc_origin; | 1179 | start = (unsigned short *)vc->vc_origin; |
1180 | break; | 1180 | break; |
1181 | case 3: /* erase scroll-back buffer (and whole display) */ | ||
1182 | scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, | ||
1183 | vc->vc_screenbuf_size); | ||
1184 | flush_scrollback(vc); | ||
1185 | set_origin(vc); | ||
1186 | if (con_is_visible(vc)) | ||
1187 | update_screen(vc); | ||
1188 | /* fall through */ | ||
1189 | case 2: /* erase whole display */ | 1181 | case 2: /* erase whole display */ |
1182 | case 3: /* (and scrollback buffer later) */ | ||
1190 | count = vc->vc_cols * vc->vc_rows; | 1183 | count = vc->vc_cols * vc->vc_rows; |
1191 | start = (unsigned short *)vc->vc_origin; | 1184 | start = (unsigned short *)vc->vc_origin; |
1192 | break; | 1185 | break; |
@@ -1194,7 +1187,12 @@ static void csi_J(struct vc_data *vc, int vpar) | |||
1194 | return; | 1187 | return; |
1195 | } | 1188 | } |
1196 | scr_memsetw(start, vc->vc_video_erase_char, 2 * count); | 1189 | scr_memsetw(start, vc->vc_video_erase_char, 2 * count); |
1197 | if (con_should_update(vc)) | 1190 | if (vpar == 3) { |
1191 | set_origin(vc); | ||
1192 | flush_scrollback(vc); | ||
1193 | if (con_is_visible(vc)) | ||
1194 | update_screen(vc); | ||
1195 | } else if (con_should_update(vc)) | ||
1198 | do_update_region(vc, (unsigned long) start, count); | 1196 | do_update_region(vc, (unsigned long) start, count); |
1199 | vc->vc_need_wrap = 0; | 1197 | vc->vc_need_wrap = 0; |
1200 | } | 1198 | } |