for (i = 0; i < ARRAY_SIZE(intel_display_debugfs_files); i++) {
                debugfs_create_file(intel_display_debugfs_files[i].name,
-                                   S_IRUGO | S_IWUSR,
+                                   0644,
                                    minor->debugfs_root,
                                    to_i915(minor->dev),
                                    intel_display_debugfs_files[i].fops);
        intel_psr_connector_debugfs_add(connector);
 
        if (connector_type == DRM_MODE_CONNECTOR_eDP)
-               debugfs_create_file("i915_panel_timings", S_IRUGO, root,
+               debugfs_create_file("i915_panel_timings", 0444, root,
                                    connector, &i915_panel_fops);
 
        if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
            connector_type == DRM_MODE_CONNECTOR_HDMIA ||
            connector_type == DRM_MODE_CONNECTOR_HDMIB) {
-               debugfs_create_file("i915_hdcp_sink_capability", S_IRUGO, root,
+               debugfs_create_file("i915_hdcp_sink_capability", 0444, root,
                                    connector, &i915_hdcp_sink_capability_fops);
        }