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-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gpu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 130d7d517a19..a81a2e84f6ad 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1051,6 +1051,12 @@ static struct dma_fence *etnaviv_gpu_fence_alloc(struct etnaviv_gpu *gpu)
{
struct etnaviv_fence *f;
+ /*
+ * GPU lock must already be held, otherwise fence completion order might
+ * not match the seqno order assigned here.
+ */
+ lockdep_assert_held(&gpu->lock);
+
f = kzalloc(sizeof(*f), GFP_KERNEL);
if (!f)
return NULL;