From: Stephane Marchesin <marchesin@icps.u-strasbg.fr>
Date: Fri, 7 Dec 2007 01:31:40 +0000 (+0100)
Subject: Use write posting in the kickoff function too.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fecb3ce5860caa498f531c28db043c3c2cb845a8;p=mesa.git

Use write posting in the kickoff function too.
---

diff --git a/src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c b/src/mesa/drivers/dri/nouveau_winsys/nouveau_dma.c
index 6e123c44734..d3239959034 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;
@@ -188,6 +189,7 @@ 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;
 }