diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8d169e152d1edcb8d9b6093aa431cbcebd5db754..5908580d7c158018d8a55b5cdcd7ba3b51bbcb30 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3067,9 +3067,10 @@ void i915_queue_hangcheck(struct drm_device *dev)
 		return;
 
 	/* Don't continually defer the hangcheck, but make sure it is active */
-	if (!timer_pending(timer))
-		timer->expires = round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES);
-	mod_timer(timer, timer->expires);
+	if (timer_pending(timer))
+		return;
+	mod_timer(timer,
+		  round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES));
 }
 
 static void ibx_irq_reset(struct drm_device *dev)