diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-06-07 15:21:23 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-06-23 16:00:17 +1000 |
| commit | d02836b4f5c24d2a38b3bdc10f05251e1f6e111d (patch) | |
| tree | bce3dc2083a878e58ca0815dccc6eed3ee5880af /drivers/gpu/drm/nouveau/nouveau_fence.c | |
| parent | ce163f6967121d77e3983aa06d416afacf3070c2 (diff) | |
drm/nv84-nvc0: explicitly map semaphore buffer into channel vm
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fence.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 7347075ca5b8..9d5c57778453 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -336,6 +336,7 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema) { struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct nouveau_fence *fence = NULL; + u64 offset = chan->fence.vma.offset + sema->mem->start; int ret; if (dev_priv->chipset < 0x84) { @@ -345,13 +346,10 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema) BEGIN_RING(chan, NvSubSw, NV_SW_DMA_SEMAPHORE, 3); OUT_RING (chan, NvSema); - OUT_RING (chan, sema->mem->start); + OUT_RING (chan, offset); OUT_RING (chan, 1); } else if (dev_priv->chipset < 0xc0) { - struct nouveau_vma *vma = &dev_priv->fence.bo->vma; - u64 offset = vma->offset + sema->mem->start; - ret = RING_SPACE(chan, 7); if (ret) return ret; @@ -364,9 +362,6 @@ semaphore_acquire(struct nouveau_channel *chan, struct nouveau_semaphore *sema) OUT_RING (chan, 1); OUT_RING (chan, 1); /* ACQUIRE_EQ */ } else { - struct nouveau_vma *vma = &dev_priv->fence.bo->vma; - u64 offset = vma->offset + sema->mem->start; - ret = RING_SPACE(chan, 5); if (ret) return ret; @@ -394,6 +389,7 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) { struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct nouveau_fence *fence = NULL; + u64 offset = chan->fence.vma.offset + sema->mem->start; int ret; if (dev_priv->chipset < 0x84) { @@ -403,14 +399,11 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) BEGIN_RING(chan, NvSubSw, NV_SW_DMA_SEMAPHORE, 2); OUT_RING (chan, NvSema); - OUT_RING (chan, sema->mem->start); + OUT_RING (chan, offset); BEGIN_RING(chan, NvSubSw, NV_SW_SEMAPHORE_RELEASE, 1); OUT_RING (chan, 1); } else if (dev_priv->chipset < 0xc0) { - struct nouveau_vma *vma = &dev_priv->fence.bo->vma; - u64 offset = vma->offset + sema->mem->start; - ret = RING_SPACE(chan, 7); if (ret) return ret; @@ -423,9 +416,6 @@ semaphore_release(struct nouveau_channel *chan, struct nouveau_semaphore *sema) OUT_RING (chan, 1); OUT_RING (chan, 2); /* RELEASE */ } else { - struct nouveau_vma *vma = &dev_priv->fence.bo->vma; - u64 offset = vma->offset + sema->mem->start; - ret = RING_SPACE(chan, 5); if (ret) return ret; @@ -540,6 +530,12 @@ nouveau_fence_channel_init(struct nouveau_channel *chan) nouveau_gpuobj_ref(NULL, &obj); if (ret) return ret; + } else { + /* map fence bo into channel's vm */ + ret = nouveau_bo_vma_add(dev_priv->fence.bo, chan->vm, + &chan->fence.vma); + if (ret) + return ret; } INIT_LIST_HEAD(&chan->fence.pending); @@ -551,10 +547,10 @@ nouveau_fence_channel_init(struct nouveau_channel *chan) void nouveau_fence_channel_fini(struct nouveau_channel *chan) { + struct drm_nouveau_private *dev_priv = chan->dev->dev_private; struct nouveau_fence *tmp, *fence; spin_lock(&chan->fence.lock); - list_for_each_entry_safe(fence, tmp, &chan->fence.pending, entry) { fence->signalled = true; list_del(&fence->entry); @@ -564,8 +560,9 @@ nouveau_fence_channel_fini(struct nouveau_channel *chan) kref_put(&fence->refcount, nouveau_fence_del); } - spin_unlock(&chan->fence.lock); + + nouveau_bo_vma_del(dev_priv->fence.bo, &chan->fence.vma); } int |