drm/msm: bail out late_init_minor() if it is not a GPU device

Both perf and hangrd make sense only for GPU devices. Bail out if we are
registering a KMS-only device.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/662583/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>

Author: lumag

drivers/gpu/drm/msm/msm_debugfs.c

@@ -325,11 +325,16 @@ static struct drm_info_list msm_debugfs_list[] = {
 
 static int late_init_minor(struct drm_minor *minor)
 {
+	struct drm_device *dev = minor->dev;
+	struct msm_drm_private *priv = dev->dev_private;
 	int ret;
 
 	if (!minor)
 		return 0;
 
+	if (!priv->gpu_pdev)
+		return 0;
+
 	ret = msm_rd_debugfs_init(minor);
 	if (ret) {
 		DRM_DEV_ERROR(minor->dev->dev, "could not install rd debugfs\n");