gma500: mdfld_dsi_output_init() drop unused parameter

Nobody uses 'config' parameter.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
index 9338c28..88d330d 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
@@ -511,7 +511,6 @@
  */
 void mdfld_dsi_output_init(struct drm_device *dev,
 			   int pipe,
-			   struct mdfld_dsi_config *config,
 			   const struct panel_funcs *p_vid_funcs)
 {
 	struct mdfld_dsi_config *dsi_config;
@@ -538,18 +537,13 @@
 
 	dsi_connector->pipe =  pipe;
 
-	/*set DSI config*/
-	if (config)
-		dsi_config = config;
-	else {
-		dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
-								GFP_KERNEL);
-		if (!dsi_config) {
-			DRM_ERROR("cannot allocate memory for DSI config\n");
-			goto dsi_init_err0;
-		}
-		mdfld_dsi_get_default_config(dev, dsi_config, pipe);
+	dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
+			GFP_KERNEL);
+	if (!dsi_config) {
+		DRM_ERROR("cannot allocate memory for DSI config\n");
+		goto dsi_init_err0;
 	}
+	mdfld_dsi_get_default_config(dev, dsi_config, pipe);
 
 	dsi_connector->private = dsi_config;