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path: root/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
index edec30fd3ecd..0a7b6ed5ed28 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
@@ -37,7 +37,10 @@ nv04_fifo_dma_object_dtor(struct nvkm_fifo_chan *base, int cookie)
{
struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem;
+
+ mutex_lock(&chan->fifo->base.engine.subdev.mutex);
nvkm_ramht_remove(imem->ramht, cookie);
+ mutex_unlock(&chan->fifo->base.engine.subdev.mutex);
}
static int

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