Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

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

diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index e64d42e..f32b590 100644 (file)
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -114,6 +114,7 @@ static int          vga_512_chars;
 static int             vga_video_font_height;
 static int             vga_scan_lines;
 static unsigned int    vga_rolled_over = 0;
+static int              vga_init_done;
 
 static int __init no_scroll(char *str)
 {
@@ -190,7 +191,7 @@ static void vgacon_scrollback_init(int pitch)
        }
 }
 
-static void __init vgacon_scrollback_startup(void)
+static void vgacon_scrollback_startup(void)
 {
        vgacon_scrollback = alloc_bootmem(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE
                                          * 1024);
@@ -355,7 +356,7 @@ static int vgacon_scrolldelta(struct vc_data *c, int lines)
 }
 #endif /* CONFIG_VGACON_SOFT_SCROLLBACK */
 
-static const char __init *vgacon_startup(void)
+static const char *vgacon_startup(void)
 {
        const char *display_desc = NULL;
        u16 saved1, saved2;
@@ -523,7 +524,12 @@ static const char __init *vgacon_startup(void)
 
        vgacon_xres = ORIG_VIDEO_COLS * VGA_FONTWIDTH;
        vgacon_yres = vga_scan_lines;
-       vgacon_scrollback_startup();
+
+       if (!vga_init_done) {
+               vgacon_scrollback_startup();
+               vga_init_done = 1;
+       }
+
        return display_desc;
 }
 
@@ -531,10 +537,20 @@ static void vgacon_init(struct vc_data *c, int init)
 {
        unsigned long p;
 
-       /* We cannot be loaded as a module, therefore init is always 1 */
+       /*
+        * We cannot be loaded as a module, therefore init is always 1,
+        * but vgacon_init can be called more than once, and init will
+        * not be 1.
+        */
        c->vc_can_do_color = vga_can_do_color;
-       c->vc_cols = vga_video_num_columns;
-       c->vc_rows = vga_video_num_lines;
+
+       /* set dimensions manually if init != 0 since vc_resize() will fail */
+       if (init) {
+               c->vc_cols = vga_video_num_columns;
+               c->vc_rows = vga_video_num_lines;
+       } else
+               vc_resize(c, vga_video_num_columns, vga_video_num_lines);
+
        c->vc_scan_lines = vga_scan_lines;
        c->vc_font.height = vga_video_font_height;
        c->vc_complement_mask = 0x7700;