diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c index fab760ae922f..d83485385934 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c @@ -117,8 +117,8 @@ nvkm_fifo_chan_child_del(struct nvkm_oproxy *base) if (chan->func->engine_dtor) chan->func->engine_dtor(chan, engine); nvkm_object_del(&engn->object); - if (chan->vm) - atomic_dec(&chan->vm->engref[engine->subdev.index]); + if (chan->vmm) + atomic_dec(&chan->vmm->engref[engine->subdev.index]); } } @@ -151,8 +151,8 @@ nvkm_fifo_chan_child_new(const struct nvkm_oclass *oclass, void *data, u32 size, .engine = oclass->engine, }; - if (chan->vm) - atomic_inc(&chan->vm->engref[engine->subdev.index]); + if (chan->vmm) + atomic_inc(&chan->vmm->engref[engine->subdev.index]); if (engine->func->fifo.cclass) { ret = engine->func->fifo.cclass(chan, &cclass, @@ -253,9 +253,11 @@ nvkm_fifo_chan_ntfy(struct nvkm_object *object, u32 type, } static int -nvkm_fifo_chan_map(struct nvkm_object *object, u64 *addr, u32 *size) +nvkm_fifo_chan_map(struct nvkm_object *object, void *argv, u32 argc, + enum nvkm_object_map *type, u64 *addr, u64 *size) { struct nvkm_fifo_chan *chan = nvkm_fifo_chan(object); + *type = NVKM_OBJECT_MAP_IO; *addr = chan->addr; *size = chan->size; return 0; @@ -325,7 +327,10 @@ nvkm_fifo_chan_dtor(struct nvkm_object *object) if (chan->user) iounmap(chan->user); - nvkm_vm_ref(NULL, &chan->vm, NULL); + if (chan->vmm) { + nvkm_vmm_part(chan->vmm, chan->inst->memory); + nvkm_vmm_unref(&chan->vmm); + } nvkm_gpuobj_del(&chan->push); nvkm_gpuobj_del(&chan->inst); @@ -347,13 +352,12 @@ nvkm_fifo_chan_func = { int nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *func, struct nvkm_fifo *fifo, u32 size, u32 align, bool zero, - u64 vm, u64 push, u64 engines, int bar, u32 base, u32 user, - const struct nvkm_oclass *oclass, + u64 hvmm, u64 push, u64 engines, int bar, u32 base, + u32 user, const struct nvkm_oclass *oclass, struct nvkm_fifo_chan *chan) { struct nvkm_client *client = oclass->client; struct nvkm_device *device = fifo->engine.subdev.device; - struct nvkm_mmu *mmu = device->mmu; struct nvkm_dmaobj *dmaobj; unsigned long flags; int ret; @@ -382,16 +386,19 @@ nvkm_fifo_chan_ctor(const struct nvkm_fifo_chan_func *func, } /* channel address space */ - if (!vm && mmu) { - if (!client->vm || client->vm->mmu == mmu) { - ret = nvkm_vm_ref(client->vm, &chan->vm, NULL); - if (ret) - return ret; - } else { + if (hvmm) { + struct nvkm_vmm *vmm = nvkm_uvmm_search(client, hvmm); + if (IS_ERR(vmm)) + return PTR_ERR(vmm); + + if (vmm->mmu != device->mmu) return -EINVAL; - } - } else { - return -ENOENT; + + ret = nvkm_vmm_join(vmm, chan->inst->memory); + if (ret) + return ret; + + chan->vmm = nvkm_vmm_ref(vmm); } /* allocate channel id */ |