diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2014-08-09 22:10:25 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-09 23:28:04 +0400 |
| commit | bbf8906b2cad17cf9530b06db7509d0e39b02d16 (patch) | |
| tree | 8b0ac662278cd6ea528c619d4ebd932f67a29fe3 /drivers/gpu/drm/nouveau/nv84_fence.c | |
| parent | a532da976f17234375d3b34633ff5d48f71f62bc (diff) | |
| download | linux-bbf8906b2cad17cf9530b06db7509d0e39b02d16.tar.xz | |
drm/nouveau/fifo: audit and version fifo channel classes
The full object interfaces are about to be exposed to userspace, so we
need to check for any security-related issues and version the structs
to make it easier to handle any changes we may need in the future.
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 | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c index c40fb29f9ea8..933a779c93ab 100644 --- a/drivers/gpu/drm/nouveau/nv84_fence.c +++ b/drivers/gpu/drm/nouveau/nv84_fence.c @@ -75,8 +75,7 @@ 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 = nvkm_fifo_chan(chan); - u64 addr = fifo->chid * 16; + u64 addr = chan->chid * 16; if (fence->sysmem) addr += fctx->vma_gart.offset; @@ -91,8 +90,7 @@ 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 = nvkm_fifo_chan(prev); - u64 addr = fifo->chid * 16; + u64 addr = prev->chid * 16; if (fence->sysmem) addr += fctx->vma_gart.offset; @@ -105,9 +103,8 @@ nv84_fence_sync(struct nouveau_fence *fence, static u32 nv84_fence_read(struct nouveau_channel *chan) { - struct nouveau_fifo_chan *fifo = nvkm_fifo_chan(chan); struct nv84_fence_priv *priv = chan->drm->fence; - return nouveau_bo_rd32(priv->bo, fifo->chid * 16/4); + return nouveau_bo_rd32(priv->bo, chan->chid * 16/4); } static void @@ -133,7 +130,6 @@ nv84_fence_context_del(struct nouveau_channel *chan) int nv84_fence_context_new(struct nouveau_channel *chan) { - struct nouveau_fifo_chan *fifo = nvkm_fifo_chan(chan); struct nouveau_cli *cli = (void *)nvif_client(&chan->device->base); struct nv84_fence_priv *priv = chan->drm->fence; struct nv84_fence_chan *fctx; @@ -162,7 +158,7 @@ nv84_fence_context_new(struct nouveau_channel *chan) ret = nouveau_bo_vma_add(bo, cli->vm, &fctx->dispc_vma[i]); } - nouveau_bo_wr32(priv->bo, fifo->chid * 16/4, 0x00000000); + nouveau_bo_wr32(priv->bo, chan->chid * 16/4, 0x00000000); if (ret) nv84_fence_context_del(chan); |