1 files changed, 14 insertions, 7 deletions

diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index 8a9aad523eec..73e89b168fc3 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -51,7 +51,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
 	debug_object_init(fence, &i915_sw_fence_debug_descr);
 }
 
-static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
 {
 	debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr);
 }
@@ -77,7 +77,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence)
 	debug_object_destroy(fence, &i915_sw_fence_debug_descr);
 }
 
-static inline void debug_fence_free(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence)
 {
 	debug_object_free(fence, &i915_sw_fence_debug_descr);
 	smp_wmb(); /* flush the change in state before reallocation */
@@ -94,7 +94,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
 {
 }
 
-static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
 {
 }
 
@@ -115,7 +115,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence)
 {
 }
 
-static inline void debug_fence_free(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence)
 {
 }
 
@@ -427,18 +427,25 @@ static void dma_i915_sw_fence_wake(struct dma_fence *dma,
 
 static void timer_i915_sw_fence_wake(struct timer_list *t)
 {
-	struct i915_sw_dma_fence_cb_timer *cb = from_timer(cb, t, timer);
+	struct i915_sw_dma_fence_cb_timer *cb = timer_container_of(cb, t,
+								   timer);
 	struct i915_sw_fence *fence;
+	const char __rcu *timeline;
+	const char __rcu *driver;
 
 	fence = xchg(&cb->base.fence, NULL);
 	if (!fence)
 		return;
 
+	rcu_read_lock();
+	driver = dma_fence_driver_name(cb->dma);
+	timeline = dma_fence_timeline_name(cb->dma);
 	pr_notice("Asynchronous wait on fence %s:%s:%llx timed out (hint:%ps)\n",
-		  cb->dma->ops->get_driver_name(cb->dma),
-		  cb->dma->ops->get_timeline_name(cb->dma),
+		  rcu_dereference(driver),
+		  rcu_dereference(timeline),
 		  cb->dma->seqno,
 		  i915_sw_fence_debug_hint(fence));
+	rcu_read_unlock();
 
 	i915_sw_fence_set_error_once(fence, -ETIMEDOUT);
 	i915_sw_fence_complete(fence);