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path: root/drivers/gpu/drm/nouveau/nouveau_fence.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fence.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 7347075ca5b8..8d02d875376d 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
@@ -577,7 +574,7 @@ nouveau_fence_init(struct drm_device *dev)
/* Create a shared VRAM heap for cross-channel sync. */
if (USE_SEMA(dev)) {
- ret = nouveau_bo_new(dev, NULL, size, 0, TTM_PL_FLAG_VRAM,
+ ret = nouveau_bo_new(dev, size, 0, TTM_PL_FLAG_VRAM,
0, 0, &dev_priv->fence.bo);
if (ret)
return ret;