[PATCH 20/26] drm: use new iterator in drm_gem_fence_array_add_implicit

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Simplifying the code a bit.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
 drivers/gpu/drm/drm_gem.c | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 09c820045859..6e3b8491be68 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1340,31 +1340,17 @@ int drm_gem_fence_array_add_implicit(struct xarray *fence_array,
 				     struct drm_gem_object *obj,
 				     bool write)
 {
-	int ret;
-	struct dma_fence **fences;
-	unsigned int i, fence_count;
-
-	if (!write) {
-		struct dma_fence *fence =
-			dma_resv_get_excl_unlocked(obj->resv);
-
-		return drm_gem_fence_array_add(fence_array, fence);
-	}
-
-	ret = dma_resv_get_fences(obj->resv, NULL,
-						&fence_count, &fences);
-	if (ret || !fence_count)
-		return ret;
+	struct dma_resv_cursor cursor;
+	struct dma_fence *fence;
+	int ret = 0;
 
-	for (i = 0; i < fence_count; i++) {
-		ret = drm_gem_fence_array_add(fence_array, fences[i]);
-		if (ret)
+	dma_resv_for_each_fence_unlocked(obj->resv, &cursor, write, fence) {
+		ret = drm_gem_fence_array_add(fence_array, fence);
+		if (ret) {
+			dma_fence_put(fence);
 			break;
+		}
 	}
-
-	for (; i < fence_count; i++)
-		dma_fence_put(fences[i]);
-	kfree(fences);
 	return ret;
 }
 EXPORT_SYMBOL(drm_gem_fence_array_add_implicit);
-- 
2.25.1




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