drm/amdgpu: Cancel the delay work when suspend

Cancel the delay work to avoid the corner case that
ib test was not running when suspend

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -2722,6 +2722,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
 	if (fbcon)
 		amdgpu_fbdev_set_suspend(adev, 1);
 
+	cancel_delayed_work_sync(&adev->late_init_work);
+
 	if (!amdgpu_device_has_dc_support(adev)) {
 		/* turn off display hw */
 		drm_modeset_lock_all(dev);