drm/i915/opregion: Register display debugfs later, after initialization steps

Move the display debugfs registration later, after initializing steps
for opregion/acpi/audio. These latter ones don't depend on the debugfs
entries, OTOH some debugfs entries may depend on the initialized state.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230308162503.3219200-3-imre.deak@intel.com

drivers/gpu/drm/i915/display/intel_display.c

@@ -8883,14 +8883,14 @@ void intel_display_driver_register(struct drm_i915_private *i915)
 	if (!HAS_DISPLAY(i915))
 		return;
 
-	intel_display_debugfs_register(i915);
-
 	/* Must be done after probing outputs */
 	intel_opregion_register(i915);
 	intel_acpi_video_register(i915);
 
 	intel_audio_init(i915);
 
+	intel_display_debugfs_register(i915);
+
 	/*
 	 * Some ports require correctly set-up hpd registers for
 	 * detection to work properly (leading to ghost connected