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authorBen Skeggs <bskeggs@redhat.com>2012-05-04 16:25:47 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:55:58 +1000
commit906c033e276877c1374c9159976b05746af3c86d (patch)
treef7e03b7148cf9f5caad6ac72b33e0354e94aad41 /drivers/gpu/drm/nouveau/nvc0_fence.c
parent299bee10fb228fce4a3fc5dd89f32787a6e58fe5 (diff)
downloadblackbird-op-linux-906c033e276877c1374c9159976b05746af3c86d.tar.gz
blackbird-op-linux-906c033e276877c1374c9159976b05746af3c86d.zip
drm/nouveau/fence: fix a race where fence->channel can disappear
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_fence.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fence.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_fence.c b/drivers/gpu/drm/nouveau/nvc0_fence.c
index 41545f15c4d0..817228cd1a95 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fence.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fence.c
@@ -60,10 +60,11 @@ nvc0_fence_emit(struct nouveau_fence *fence)
}
static int
-nvc0_fence_sync(struct nouveau_fence *fence, struct nouveau_channel *chan)
+nvc0_fence_sync(struct nouveau_fence *fence,
+ struct nouveau_channel *prev, struct nouveau_channel *chan)
{
struct nvc0_fence_chan *fctx = chan->engctx[NVOBJ_ENGINE_FENCE];
- u64 addr = fctx->vma.offset + fence->channel->id * 16;
+ u64 addr = fctx->vma.offset + prev->id * 16;
int ret;
ret = RING_SPACE(chan, 5);
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