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-rw-r--r--src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c b/src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c
index d7bddbcfe2..6ec390ec76 100644
--- a/src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c
+++ b/src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c
@@ -137,6 +137,7 @@ nouveau_dma_kickoff(struct nouveau_channel *userchan)
struct nouveau_channel_priv *chan = nouveau_channel(userchan);
uint32_t put_offset;
int i;
+ volatile int dum;
if (chan->dma.cur == chan->dma.put)
return;
@@ -170,6 +171,7 @@ nouveau_dma_kickoff(struct nouveau_channel *userchan)
#endif
chan->dma.put = chan->dma.cur;
NOUVEAU_DMA_BARRIER;
+ dum = READ_GET(chan);
*chan->put = put_offset;
NOUVEAU_DMA_BARRIER;
}