drm: remove DRM_GETSAREA and replace with drm_getsarea function

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c
index 1014602..eabb4c4 100644
--- a/drivers/char/drm/r128_cce.c
+++ b/drivers/char/drm/r128_cce.c
@@ -456,8 +456,7 @@
 	dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) |
 					 (dev_priv->span_offset >> 5));
 
-	DRM_GETSAREA();
-
+	dev_priv->sarea = drm_getsarea(dev);
 	if (!dev_priv->sarea) {
 		DRM_ERROR("could not find sarea!\n");
 		dev->dev_private = (void *)dev_priv;