Displaying 1 result from an estimated 1 matches for "nv04_fifo_dma_object_dtor".
2016 Sep 10
1
[PATCH] fifo/nv04: avoid ramht race against cookie insertion
...vkm/engine/fifo/dmanv04.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drm/nouveau/nvkm/engine/fifo/dmanv04.c
index edec30f..0a7b6ed 100644
--- a/drm/nouveau/nvkm/engine/fifo/dmanv04.c
+++ b/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...