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| author | Takashi Iwai <tiwai@suse.de> | 2010-04-16 15:20:06 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-04-16 15:20:06 +0200 |
| commit | cf0dbba515415bb19b11f9323d5f7bebd7f24fd6 (patch) | |
| tree | 375bbc1ade1a92acd6493d224dd701fd7f209014 /drivers/gpu/drm/nouveau/nouveau_dma.c | |
| parent | 1cff399ecd9125d8e6a634a1957be1aeb3195a12 (diff) | |
| parent | 0340c7dccd80d8706c636e030a6ebbddbddca690 (diff) | |
Merge remote branch 'alsa/devel' into topic/misc
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.c | 5 |
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 c8482a108a7..65c441a1999 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--; } |