svga: Make svga_wattr take an iomem regbase pointer.

And use vga_{r,w}().

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 75738a9..bcbf098 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -552,7 +552,7 @@
 	}
 
 	vga_wcrt(NULL, 0x3A, 0x35);
-	svga_wattr(0x33, 0x00);
+	svga_wattr(par->state.vgabase, 0x33, 0x00);
 
 	if (info->var.vmode & FB_VMODE_DOUBLE)
 		svga_wcrt_mask(0x09, 0x80, 0x80);