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authorBen Skeggs <bskeggs@redhat.com>2013-02-14 13:43:21 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-02-20 16:00:53 +1000
commit264ce192b3e7f45d0adb37bfbab2b01a3fbe6c30 (patch)
tree68ba7f61bc07f54378e562ce385f60dc814b4fad /drivers/gpu/drm/nouveau/nv84_fence.c
parent827520ce06568f699dad275dcca61647cce08757 (diff)
downloadop-kernel-dev-264ce192b3e7f45d0adb37bfbab2b01a3fbe6c30.zip
op-kernel-dev-264ce192b3e7f45d0adb37bfbab2b01a3fbe6c30.tar.gz
drm/nv84-/fence: prepare for emit/sync support of sysram sequences
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.c59
1 files changed, 48 insertions, 11 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c
index bc6493c..9fd475c 100644
--- a/drivers/gpu/drm/nouveau/nv84_fence.c
+++ b/drivers/gpu/drm/nouveau/nv84_fence.c
@@ -76,27 +76,39 @@ nv84_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
return ret;
}
-int
+static int
nv84_fence_emit(struct nouveau_fence *fence)
{
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;
+ u64 addr = fifo->chid * 16;
+
+ if (fence->sysmem)
+ addr += fctx->vma_gart.offset;
+ else
+ addr += fctx->vma.offset;
+
return fctx->base.emit32(chan, addr, fence->sequence);
}
-int
+static int
nv84_fence_sync(struct nouveau_fence *fence,
struct nouveau_channel *prev, struct nouveau_channel *chan)
{
struct nv84_fence_chan *fctx = chan->fence;
struct nouveau_fifo_chan *fifo = (void *)prev->object;
- u64 addr = fctx->vma.offset + fifo->chid * 16;
+ u64 addr = fifo->chid * 16;
+
+ if (fence->sysmem)
+ addr += fctx->vma_gart.offset;
+ else
+ addr += fctx->vma.offset;
+
return fctx->base.sync32(chan, addr, fence->sequence);
}
-u32
+static u32
nv84_fence_read(struct nouveau_channel *chan)
{
struct nouveau_fifo_chan *fifo = (void *)chan->object;
@@ -104,7 +116,7 @@ nv84_fence_read(struct nouveau_channel *chan)
return nouveau_bo_rd32(priv->bo, fifo->chid * 16/4);
}
-void
+static void
nv84_fence_context_del(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->drm->dev;
@@ -117,6 +129,7 @@ nv84_fence_context_del(struct nouveau_channel *chan)
nouveau_bo_vma_del(bo, &fctx->dispc_vma[i]);
}
+ nouveau_bo_vma_del(priv->bo, &fctx->vma_gart);
nouveau_bo_vma_del(priv->bo, &fctx->vma);
nouveau_fence_context_del(&fctx->base);
chan->fence = NULL;
@@ -144,8 +157,10 @@ nv84_fence_context_new(struct nouveau_channel *chan)
fctx->base.sync32 = nv84_fence_sync32;
ret = nouveau_bo_vma_add(priv->bo, client->vm, &fctx->vma);
- if (ret)
- nv84_fence_context_del(chan);
+ if (ret == 0) {
+ ret = nouveau_bo_vma_add(priv->bo_gart, client->vm,
+ &fctx->vma_gart);
+ }
/* map display semaphore buffers into channel's vm */
for (i = 0; !ret && i < chan->drm->dev->mode_config.num_crtc; i++) {
@@ -154,10 +169,13 @@ nv84_fence_context_new(struct nouveau_channel *chan)
}
nouveau_bo_wr32(priv->bo, fifo->chid * 16/4, 0x00000000);
+
+ if (ret)
+ nv84_fence_context_del(chan);
return ret;
}
-bool
+static bool
nv84_fence_suspend(struct nouveau_drm *drm)
{
struct nouveau_fifo *pfifo = nouveau_fifo(drm->device);
@@ -173,7 +191,7 @@ nv84_fence_suspend(struct nouveau_drm *drm)
return priv->suspend != NULL;
}
-void
+static void
nv84_fence_resume(struct nouveau_drm *drm)
{
struct nouveau_fifo *pfifo = nouveau_fifo(drm->device);
@@ -188,10 +206,14 @@ nv84_fence_resume(struct nouveau_drm *drm)
}
}
-void
+static void
nv84_fence_destroy(struct nouveau_drm *drm)
{
struct nv84_fence_priv *priv = drm->fence;
+ nouveau_bo_unmap(priv->bo_gart);
+ if (priv->bo_gart)
+ nouveau_bo_unpin(priv->bo_gart);
+ nouveau_bo_ref(NULL, &priv->bo_gart);
nouveau_bo_unmap(priv->bo);
if (priv->bo)
nouveau_bo_unpin(priv->bo);
@@ -233,6 +255,21 @@ nv84_fence_create(struct nouveau_drm *drm)
nouveau_bo_ref(NULL, &priv->bo);
}
+ if (ret == 0)
+ ret = nouveau_bo_new(drm->dev, 16 * (pfifo->max + 1), 0,
+ TTM_PL_FLAG_TT, 0, 0, NULL,
+ &priv->bo_gart);
+ if (ret == 0) {
+ ret = nouveau_bo_pin(priv->bo_gart, TTM_PL_FLAG_TT);
+ if (ret == 0) {
+ ret = nouveau_bo_map(priv->bo_gart);
+ if (ret)
+ nouveau_bo_unpin(priv->bo_gart);
+ }
+ if (ret)
+ nouveau_bo_ref(NULL, &priv->bo_gart);
+ }
+
if (ret)
nv84_fence_destroy(drm);
return ret;
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