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author | Ben Skeggs <bskeggs@redhat.com> | 2013-02-13 23:37:35 (GMT) |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2013-02-20 06:00:52 (GMT) |
commit | bba9852feedf3d38f963278e07bdd3db622090b9 (patch) | |
tree | a7a62aee22165a817c43caccabf14940bdfdf820 /drivers/gpu/drm/nouveau/nv84_fence.c | |
parent | a34caf78f26bda63869471cb3f46f354f4658758 (diff) | |
download | linux-bba9852feedf3d38f963278e07bdd3db622090b9.tar.xz |
drm/nv84-/fence: abstract class emit/sync functions to virt+sequence
Now can be used to operate on any buffer mapped into the GPU virtual
address and not just the main inter-channel sync buffer.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv84_fence.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv84_fence.c | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c index 58c2401..8a80ad7 100644 --- a/drivers/gpu/drm/nouveau/nv84_fence.c +++ b/drivers/gpu/drm/nouveau/nv84_fence.c @@ -42,54 +42,62 @@ nv84_fence_crtc(struct nouveau_channel *chan, int crtc) } static int -nv84_fence_emit(struct nouveau_fence *fence) +nv84_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence) { - struct nouveau_channel *chan = fence->channel; - struct nv84_fence_chan *fctx = chan->fence; - struct nouveau_fifo_chan *fifo = (void *)chan->object; - u64 addr = fctx->vma.offset + fifo->chid * 16; - int ret; - - ret = RING_SPACE(chan, 8); + int ret = RING_SPACE(chan, 8); if (ret == 0) { BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1); OUT_RING (chan, chan->vram); BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5); - OUT_RING (chan, upper_32_bits(addr)); - OUT_RING (chan, lower_32_bits(addr)); - OUT_RING (chan, fence->sequence); + OUT_RING (chan, upper_32_bits(virtual)); + OUT_RING (chan, lower_32_bits(virtual)); + OUT_RING (chan, sequence); OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG); OUT_RING (chan, 0x00000000); FIRE_RING (chan); } - return ret; } static int -nv84_fence_sync(struct nouveau_fence *fence, - struct nouveau_channel *prev, struct nouveau_channel *chan) +nv84_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence) { - struct nv84_fence_chan *fctx = chan->fence; - struct nouveau_fifo_chan *fifo = (void *)prev->object; - u64 addr = fctx->vma.offset + fifo->chid * 16; - int ret; - - ret = RING_SPACE(chan, 7); + int ret = RING_SPACE(chan, 7); if (ret == 0) { BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1); OUT_RING (chan, chan->vram); BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); - OUT_RING (chan, upper_32_bits(addr)); - OUT_RING (chan, lower_32_bits(addr)); - OUT_RING (chan, fence->sequence); + OUT_RING (chan, upper_32_bits(virtual)); + OUT_RING (chan, lower_32_bits(virtual)); + OUT_RING (chan, sequence); OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL); FIRE_RING (chan); } - return ret; } +int +nv84_fence_emit(struct nouveau_fence *fence) +{ + struct nouveau_channel *chan = fence->channel; + struct nv84_fence_priv *priv = chan->drm->fence; + struct nv84_fence_chan *fctx = chan->fence; + struct nouveau_fifo_chan *fifo = (void *)chan->object; + u64 addr = fctx->vma.offset + fifo->chid * 16; + return priv->base.emit32(chan, addr, fence->sequence); +} + +int +nv84_fence_sync(struct nouveau_fence *fence, + struct nouveau_channel *prev, struct nouveau_channel *chan) +{ + struct nv84_fence_priv *priv = chan->drm->fence; + struct nv84_fence_chan *fctx = chan->fence; + struct nouveau_fifo_chan *fifo = (void *)prev->object; + u64 addr = fctx->vma.offset + fifo->chid * 16; + return priv->base.sync32(chan, addr, fence->sequence); +} + u32 nv84_fence_read(struct nouveau_channel *chan) { @@ -205,7 +213,9 @@ nv84_fence_create(struct nouveau_drm *drm) priv->base.resume = nv84_fence_resume; priv->base.context_new = nv84_fence_context_new; priv->base.context_del = nv84_fence_context_del; + priv->base.emit32 = nv84_fence_emit32; priv->base.emit = nv84_fence_emit; + priv->base.sync32 = nv84_fence_sync32; priv->base.sync = nv84_fence_sync; priv->base.read = nv84_fence_read; |