diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index bb9e0da30e94c8ce86f3613c3de24bb9c0665fbe..5f0367fd3200734b140f15bf4bb30e54dd7fc432 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -747,6 +747,8 @@ void assert_forcewakes_active(struct intel_uncore *uncore,
 	if (!uncore->funcs.force_wake_get)
 		return;
 
+	spin_lock_irq(&uncore->lock);
+
 	assert_rpm_wakelock_held(uncore->rpm);
 
 	fw_domains &= uncore->fw_domains;
@@ -770,6 +772,8 @@ void assert_forcewakes_active(struct intel_uncore *uncore,
 			 domain->id, actual))
 			break;
 	}
+
+	spin_unlock_irq(&uncore->lock);
 }
 
 /* We give fast paths for the really cool registers */