drm: remove DRM_GETSAREA and replace with drm_getsarea function

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index ea52740a..9ba1146 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -132,7 +132,7 @@
 {
 	memset(dev_priv, 0, sizeof(drm_i915_private_t));
 
-	DRM_GETSAREA();
+	dev_priv->sarea = drm_getsarea(dev);
 	if (!dev_priv->sarea) {
 		DRM_ERROR("can not find sarea!\n");
 		dev->dev_private = (void *)dev_priv;