[PATCH 07/26] drm/ttm: use the new iterator in ttm_bo_flush_all_fences

Christian König ckoenig.leichtzumerken at gmail.com
Fri Sep 17 12:34:54 UTC 2021


This is probably a fix since we didn't even grabed a reference to the
fences.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 3b22c0013dbf..7d804c0c69b0 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -269,22 +269,16 @@ static int ttm_bo_individualize_resv(struct ttm_buffer_object *bo)
 static void ttm_bo_flush_all_fences(struct ttm_buffer_object *bo)
 {
 	struct dma_resv *resv = &bo->base._resv;
-	struct dma_resv_list *fobj;
+	struct dma_resv_iter cursor;
 	struct dma_fence *fence;
-	int i;
 
 	rcu_read_lock();
-	fobj = dma_resv_shared_list(resv);
-	fence = dma_resv_excl_fence(resv);
-	if (fence && !fence->ops->signaled)
-		dma_fence_enable_sw_signaling(fence);
-
-	for (i = 0; fobj && i < fobj->shared_count; ++i) {
-		fence = rcu_dereference(fobj->shared[i]);
-
+	dma_resv_iter_begin(&cursor, resv, true);
+	dma_resv_for_each_fence_unlocked(&cursor, fence) {
 		if (!fence->ops->signaled)
 			dma_fence_enable_sw_signaling(fence);
 	}
+	dma_resv_iter_end(&cursor);
 	rcu_read_unlock();
 }
 
-- 
2.25.1



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