[PATCH] fbdev: Add fbset -a support

[safe/jmp/linux-2.6] / drivers / video / console / fbcon.c

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 35c88bd..751890a 100644 (file)
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -2593,6 +2593,51 @@ static void fbcon_modechanged(struct fb_info *info)
        }
 }
 
+static void fbcon_set_all_vcs(struct fb_info *info)
+{
+       struct fbcon_ops *ops = info->fbcon_par;
+       struct vc_data *vc;
+       struct display *p;
+       int i, rows, cols;
+
+       if (!ops || ops->currcon < 0)
+               return;
+
+       for (i = 0; i < MAX_NR_CONSOLES; i++) {
+               vc = vc_cons[i].d;
+               if (!vc || vc->vc_mode != KD_TEXT ||
+                   registered_fb[con2fb_map[i]] != info)
+                       continue;
+
+               p = &fb_display[vc->vc_num];
+
+               info->var.xoffset = info->var.yoffset = p->yscroll = 0;
+               var_to_display(p, &info->var, info);
+               cols = info->var.xres / vc->vc_font.width;
+               rows = info->var.yres / vc->vc_font.height;
+               vc_resize(vc, cols, rows);
+
+               if (CON_IS_VISIBLE(vc)) {
+                       updatescrollmode(p, info, vc);
+                       scrollback_max = 0;
+                       scrollback_current = 0;
+                       update_var(vc->vc_num, info);
+                       fbcon_set_palette(vc, color_table);
+                       update_screen(vc);
+                       if (softback_buf) {
+                               int l = fbcon_softback_size / vc->vc_size_row;
+                               if (l > 5)
+                                       softback_end = softback_buf + l * vc->vc_size_row;
+                               else {
+                                       /* Smaller scrollback makes no sense, and 0
+                                          would screw the operation totally */
+                                       softback_top = 0;
+                               }
+                       }
+               }
+       }
+}
+
 static int fbcon_mode_deleted(struct fb_info *info,
                              struct fb_videomode *mode)
 {
@@ -2708,6 +2753,9 @@ static int fbcon_event_notify(struct notifier_block *self,
        case FB_EVENT_MODE_CHANGE:
                fbcon_modechanged(info);
                break;
+       case FB_EVENT_MODE_CHANGE_ALL:
+               fbcon_set_all_vcs(info);
+               break;
        case FB_EVENT_MODE_DELETE:
                mode = event->data;
                ret = fbcon_mode_deleted(info, mode);