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authorThomas Zimmermann <tzimmermann@suse.de>2023-10-11 09:50:59 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-10-11 09:50:59 +0200
commit57390019b68b83f96eb98f490367b9df1f2d77cb (patch)
treee6d4b6c75efdd2d7fb7d37f980688c491be3ff6a /drivers/gpu/drm/msm/msm_fence.c
parente5f9d543419c78ac58f3b3557bc5a76b20ff600b (diff)
parent389af786f92ecdff35883551d54bf4e507ffcccb (diff)
Merge drm/drm-next into drm-misc-next
Updating drm-misc-next to the state of Linux v6.6-rc2. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.c')
-rw-r--r--drivers/gpu/drm/msm/msm_fence.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c
index 96599ec3eb78..1a5d4f1c8b42 100644
--- a/drivers/gpu/drm/msm/msm_fence.c
+++ b/drivers/gpu/drm/msm/msm_fence.c
@@ -191,6 +191,12 @@ msm_fence_init(struct dma_fence *fence, struct msm_fence_context *fctx)
f->fctx = fctx;
+ /*
+ * Until this point, the fence was just some pre-allocated memory,
+ * no-one should have taken a reference to it yet.
+ */
+ WARN_ON(kref_read(&fence->refcount));
+
dma_fence_init(&f->base, &msm_fence_ops, &fctx->spinlock,
fctx->context, ++fctx->last_fence);
}