Missed this case previously. No need to do anything if the
device is already off.  runtime pm will handle it.
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 
        adev = dev->dev_private;
 
-       if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+       if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
+           dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
                return 0;
 
        drm_kms_helper_poll_disable(dev);
        struct drm_crtc *crtc;
        int r;
 
-       if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+       if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
+           dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
                return 0;
 
        if (fbcon) {