summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_dma.c
diff options
context:
space:
mode:
authorDavid Woodhouse <David.Woodhouse@intel.com>2010-05-10 15:32:46 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-05-10 15:32:46 +0200
commit0ae28a35bcb7984838acbf28bfba9c030f8b74f0 (patch)
tree4f449d929b5df9e126e839f388ff0fd2b52028a0 /drivers/gpu/drm/nouveau/nouveau_dma.c
parentmtd: mpc5121_nfc: Changed SVR check to allow MPC5123. (diff)
parentLinux 2.6.34-rc7 (diff)
downloadlinux-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.tar.xz
linux-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/mtdcore.c Pull in the bdi fixes and ARM platform changes that other outstanding patches depend on.
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dma.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index c8482a108a78..65c441a1999f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -190,6 +190,11 @@ nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo,
nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | length << 8);
chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max;
+
+ DRM_MEMORYBARRIER();
+ /* Flush writes. */
+ nouveau_bo_rd32(pb, 0);
+
nvchan_wr32(chan, 0x8c, chan->dma.ib_put);
chan->dma.ib_free--;
}