fbdev: fix recursive notifier and locking when fbdev console is blanked

[pandora-kernel.git] / drivers / video / console / fbcon.c

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 4be3b46..9cbff84 100644 (file)
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -107,9 +107,7 @@ static struct display fb_display[MAX_NR_CONSOLES];
 
 static signed char con2fb_map[MAX_NR_CONSOLES];
 static signed char con2fb_map_boot[MAX_NR_CONSOLES];
-#ifndef MODULE
-static int logo_height;
-#endif
+
 static int logo_lines;
 /* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO
    enums.  */
@@ -607,6 +605,7 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info,
        struct fbcon_ops *ops = info->fbcon_par;
        int cnt, erase = vc->vc_video_erase_char, step;
        unsigned short *save = NULL, *r, *q;
+       int logo_height;
 
        if (info->flags & FBINFO_MODULE) {
                logo_shown = FBCON_LOGO_DONTSHOW;
@@ -1312,6 +1311,9 @@ static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
        if (!height || !width)
                return;
 
+       if (sy < vc->vc_top && vc->vc_top == logo_lines)
+               vc->vc_top = 0;
+
        /* Split blits that cross physical y_wrap boundary */
 
        y_break = p->vrows - p->yscroll;
@@ -2398,11 +2400,15 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
 
        if (!fbcon_is_inactive(vc, info)) {
                if (ops->blank_state != blank) {
+                       int ret = 1;
+
                        ops->blank_state = blank;
                        fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW);
                        ops->cursor_flash = (!blank);
 
-                       if (fb_blank(info, blank))
+                       if (info->fbops->fb_blank)
+                               ret = info->fbops->fb_blank(blank, info);
+                       if (ret)
                                fbcon_generic_blank(vc, info, blank);
                }
 
@@ -2516,7 +2522,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
                        c = vc->vc_video_erase_char;
                        vc->vc_video_erase_char =
                            ((c & 0xfe00) >> 1) | (c & 0xff);
-                       c = vc->vc_def_color;
+                       c = vc->vc_scrl_erase_char;
                        vc->vc_scrl_erase_char =
                            ((c & 0xFE00) >> 1) | (c & 0xFF);
                        vc->vc_attr >>= 1;
@@ -2549,7 +2555,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
                        if (vc->vc_can_do_color) {
                                vc->vc_video_erase_char =
                                    ((c & 0xff00) << 1) | (c & 0xff);
-                               c = vc->vc_def_color;
+                               c = vc->vc_scrl_erase_char;
                                vc->vc_scrl_erase_char =
                                    ((c & 0xFF00) << 1) | (c & 0xFF);
                                vc->vc_attr <<= 1;