sparc video: make blank use proper constant

Make blank functions use proper constant for unblanking.

Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index c95874f..676ffb0 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -295,7 +295,7 @@
 	if (!info->screen_base)
 		goto out_unmap_regs;
 
-	p9100_blank(0, info);
+	p9100_blank(FB_BLANK_UNBLANK, info);
 
 	if (fb_alloc_cmap(&info->cmap, 256, 0))
 		goto out_unmap_screen;