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drm/nouveau: use ioctl interface for abi16 ntfy alloc

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-08-10 04:10:23 +10:00
parent a4e610b5e6
commit 3bdda04f64
1 changed files with 31 additions and 18 deletions
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49
drivers/gpu/drm/nouveau/nouveau_abi16.c
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@ -408,13 +408,27 @@ int
nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
{
struct drm_nouveau_notifierobj_alloc *info = data;
struct {
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_new_v0 new;
struct nv_dma_class ctxdma;
} args = {
.ioctl.owner = NVIF_IOCTL_V0_OWNER_ANY,
.ioctl.type = NVIF_IOCTL_V0_NEW,
.ioctl.path_nr = 3,
.ioctl.path[2] = NOUVEAU_ABI16_CLIENT,
.ioctl.path[1] = NOUVEAU_ABI16_DEVICE,
.ioctl.path[0] = NOUVEAU_ABI16_CHAN(info->channel),
.new.route = NVDRM_OBJECT_ABI16,
.new.handle = info->handle,
.new.oclass = NV_DMA_IN_MEMORY_CLASS,
};
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
struct nouveau_abi16_chan *chan;
struct nouveau_abi16_ntfy *ntfy;
struct nvif_device *device = &abi16->device;
struct nouveau_object *object;
struct nv_dma_class args = {};
struct nvif_client *client;
int ret;
if (unlikely(!abi16))
@ -423,6 +437,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
/* completely unnecessary for these chipsets... */
if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI))
return nouveau_abi16_put(abi16, -EINVAL);
client = nvif_client(nvif_object(&abi16->device));
chan = nouveau_abi16_chan(abi16, info->channel);
if (!chan)
@ -440,28 +455,26 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
if (ret)
goto done;
args.start = ntfy->node->offset;
args.limit = ntfy->node->offset + ntfy->node->length - 1;
args.ctxdma.start = ntfy->node->offset;
args.ctxdma.limit = ntfy->node->offset + ntfy->node->length - 1;
if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
args.start += chan->ntfy_vma.offset;
args.limit += chan->ntfy_vma.offset;
args.ctxdma.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
args.ctxdma.start += chan->ntfy_vma.offset;
args.ctxdma.limit += chan->ntfy_vma.offset;
} else
if (drm->agp.stat == ENABLED) {
args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
args.start += drm->agp.base + chan->ntfy->bo.offset;
args.limit += drm->agp.base + chan->ntfy->bo.offset;
args.ctxdma.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
args.ctxdma.start += drm->agp.base + chan->ntfy->bo.offset;
args.ctxdma.limit += drm->agp.base + chan->ntfy->bo.offset;
client->super = true;
} else {
args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
args.start += chan->ntfy->bo.offset;
args.limit += chan->ntfy->bo.offset;
args.ctxdma.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
args.ctxdma.start += chan->ntfy->bo.offset;
args.ctxdma.limit += chan->ntfy->bo.offset;
}
/*XXX*/
ret = nouveau_object_new(nv_object(nvkm_client(&abi16->device.base)),
NVDRM_CHAN | info->channel, ntfy->handle,
NV_DMA_IN_MEMORY_CLASS, &args, sizeof(args),
&object);
ret = nvif_client_ioctl(client, &args, sizeof(args));
client->super = false;
if (ret)
goto done;