drm/nouveau: rip out nvkm_client.super

No longer required now that userspace can't touch anything that might
need it, and should fix DRM MM operations racing with each other, and
the random hangs/crashes that come with that.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/include/nvif/client.h b/drivers/gpu/drm/nouveau/include/nvif/client.h
index 347d2c0..5d9395e 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvif/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/client.h
@@ -9,7 +9,6 @@ struct nvif_client {
        const struct nvif_driver *driver;
        u64 version;
        u8 route;
-       bool super;
 };
 
 int  nvif_client_ctor(struct nvif_client *parent, const char *name, u64 device,

diff --git a/drivers/gpu/drm/nouveau/include/nvif/driver.h b/drivers/gpu/drm/nouveau/include/nvif/driver.h
index 8e85b93..7a3af05 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvif/driver.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/driver.h
@@ -11,7 +11,7 @@ struct nvif_driver {
        void (*fini)(void *priv);
        int (*suspend)(void *priv);
        int (*resume)(void *priv);
-       int (*ioctl)(void *priv, bool super, void *data, u32 size, void **hack);
+       int (*ioctl)(void *priv, void *data, u32 size, void **hack);
        void __iomem *(*map)(void *priv, u64 handle, u32 size);
        void (*unmap)(void *priv, void __iomem *ptr, u32 size);
        bool keep;

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
index 5d7017f..2f86606 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
@@ -13,7 +13,6 @@ struct nvkm_client {
        struct nvkm_client_notify *notify[32];
        struct rb_root objroot;
 
-       bool super;
        void *data;
        int (*ntfy)(const void *, u32, const void *, u32);
 

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h b/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h
index 71ed147..f52918a 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h
@@ -4,5 +4,5 @@
 #include <core/os.h>
 struct nvkm_client;
 
-int nvkm_ioctl(struct nvkm_client *, bool, void *, u32, void **);
+int nvkm_ioctl(struct nvkm_client *, void *, u32, void **);
 #endif

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 0911e73..70e7887 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -15,7 +15,6 @@ struct nvkm_vma {
        u8   refd:3; /* Current page type (index, or NONE for unreferenced). */
        bool used:1; /* Region allocated. */
        bool part:1; /* Region was split from an allocated region by map(). */
-       bool user:1; /* Region user-allocated. */
        bool busy:1; /* Region busy (for temporarily preventing user access). */
        bool mapped:1; /* Region contains valid pages. */
        struct nvkm_memory *memory; /* Memory currently mapped into VMA. */

diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index b45ec30..4107b70 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -570,11 +570,9 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
        }
 
        client->route = NVDRM_OBJECT_ABI16;
-       client->super = true;
        ret = nvif_object_ctor(&chan->chan->user, "abi16Ntfy", info->handle,
                               NV_DMA_IN_MEMORY, &args, sizeof(args),
                               &ntfy->object);
-       client->super = false;
        client->route = NVDRM_OBJECT_NVIF;
        if (ret)
                goto done;

diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 4036260..80099ef 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -86,12 +86,6 @@ nouveau_channel_del(struct nouveau_channel **pchan)
        struct nouveau_channel *chan = *pchan;
        if (chan) {
                struct nouveau_cli *cli = (void *)chan->user.client;
-               bool super;
-
-               if (cli) {
-                       super = cli->base.super;
-                       cli->base.super = true;
-               }
 
                if (chan->fence)
                        nouveau_fence(chan->drm)->context_del(chan);
@@ -111,9 +105,6 @@ nouveau_channel_del(struct nouveau_channel **pchan)
                        nouveau_bo_unpin(chan->push.buffer);
                nouveau_bo_ref(NULL, &chan->push.buffer);
                kfree(chan);
-
-               if (cli)
-                       cli->base.super = super;
        }
        *pchan = NULL;
 }
@@ -512,20 +503,16 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
                    struct nouveau_channel **pchan)
 {
        struct nouveau_cli *cli = (void *)device->object.client;
-       bool super;
        int ret;
 
        /* hack until fencenv50 is fixed, and agp access relaxed */
-       super = cli->base.super;
-       cli->base.super = true;
-
        ret = nouveau_channel_ind(drm, device, arg0, priv, pchan);
        if (ret) {
                NV_PRINTK(dbg, cli, "ib channel create, %d\n", ret);
                ret = nouveau_channel_dma(drm, device, pchan);
                if (ret) {
                        NV_PRINTK(dbg, cli, "dma channel create, %d\n", ret);
-                       goto done;
+                       return ret;
                }
        }
 
@@ -533,15 +520,13 @@ nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
        if (ret) {
                NV_PRINTK(err, cli, "channel failed to initialise, %d\n", ret);
                nouveau_channel_del(pchan);
-               goto done;
+               return ret;
        }
 
        ret = nouveau_svmm_join((*pchan)->vmm->svmm, (*pchan)->inst);
        if (ret)
                nouveau_channel_del(pchan);
 
-done:
-       cli->base.super = super;
        return ret;
 }
 

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index d7fdff9..ba4cd5f 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -1087,8 +1087,6 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
        if (ret)
                goto done;
 
-       cli->base.super = false;
-
        fpriv->driver_priv = cli;
 
        mutex_lock(&drm->client.mutex);

diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 0de6549..2ca3207 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -41,8 +41,6 @@ nouveau_mem_map(struct nouveau_mem *mem,
                struct gf100_vmm_map_v0 gf100;
        } args;
        u32 argc = 0;
-       bool super;
-       int ret;
 
        switch (vmm->object.oclass) {
        case NVIF_CLASS_VMM_NV04:
@@ -73,12 +71,7 @@ nouveau_mem_map(struct nouveau_mem *mem,
                return -ENOSYS;
        }
 
-       super = vmm->object.client->super;
-       vmm->object.client->super = true;
-       ret = nvif_vmm_map(vmm, vma->addr, mem->mem.size, &args, argc,
-                          &mem->mem, 0);
-       vmm->object.client->super = super;
-       return ret;
+       return nvif_vmm_map(vmm, vma->addr, mem->mem.size, &args, argc, &mem->mem, 0);
 }
 
 void
@@ -99,7 +92,6 @@ nouveau_mem_host(struct ttm_resource *reg, struct ttm_tt *tt)
        struct nouveau_drm *drm = cli->drm;
        struct nvif_mmu *mmu = &cli->mmu;
        struct nvif_mem_ram_v0 args = {};
-       bool super = cli->base.super;
        u8 type;
        int ret;
 
@@ -122,11 +114,9 @@ nouveau_mem_host(struct ttm_resource *reg, struct ttm_tt *tt)
                args.dma = tt->dma_address;
 
        mutex_lock(&drm->master.lock);
-       cli->base.super = true;
        ret = nvif_mem_ctor_type(mmu, "ttmHostMem", cli->mem->oclass, type, PAGE_SHIFT,
                                 reg->num_pages << PAGE_SHIFT,
                                 &args, sizeof(args), &mem->mem);
-       cli->base.super = super;
        mutex_unlock(&drm->master.lock);
        return ret;
 }
@@ -138,12 +128,10 @@ nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
        struct nouveau_cli *cli = mem->cli;
        struct nouveau_drm *drm = cli->drm;
        struct nvif_mmu *mmu = &cli->mmu;
-       bool super = cli->base.super;
        u64 size = ALIGN(reg->num_pages << PAGE_SHIFT, 1 << page);
        int ret;
 
        mutex_lock(&drm->master.lock);
-       cli->base.super = true;
        switch (cli->mem->oclass) {
        case NVIF_CLASS_MEM_GF100:
                ret = nvif_mem_ctor_type(mmu, "ttmVram", cli->mem->oclass,
@@ -167,7 +155,6 @@ nouveau_mem_vram(struct ttm_resource *reg, bool contig, u8 page)
                WARN_ON(1);
                break;
        }
-       cli->base.super = super;
        mutex_unlock(&drm->master.lock);
 
        reg->start = mem->mem.addr >> PAGE_SHIFT;

diff --git a/drivers/gpu/drm/nouveau/nouveau_nvif.c b/drivers/gpu/drm/nouveau/nouveau_nvif.c
index b3f29b1..52f5793 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_nvif.c
+++ b/drivers/gpu/drm/nouveau/nouveau_nvif.c
@@ -52,9 +52,9 @@ nvkm_client_map(void *priv, u64 handle, u32 size)
 }
 
 static int
-nvkm_client_ioctl(void *priv, bool super, void *data, u32 size, void **hack)
+nvkm_client_ioctl(void *priv, void *data, u32 size, void **hack)
 {
-       return nvkm_ioctl(priv, super, data, size, hack);
+       return nvkm_ioctl(priv, data, size, hack);
 }
 
 static int

diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 82b583f..b0c3422 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -237,14 +237,11 @@ void
 nouveau_svmm_invalidate(struct nouveau_svmm *svmm, u64 start, u64 limit)
 {
        if (limit > start) {
-               bool super = svmm->vmm->vmm.object.client->super;
-               svmm->vmm->vmm.object.client->super = true;
                nvif_object_mthd(&svmm->vmm->vmm.object, NVIF_VMM_V0_PFNCLR,
                                 &(struct nvif_vmm_pfnclr_v0) {
                                        .addr = start,
                                        .size = limit - start,
                                 }, sizeof(struct nvif_vmm_pfnclr_v0));
-               svmm->vmm->vmm.object.client->super = super;
        }
 }
 
@@ -634,9 +631,7 @@ static int nouveau_atomic_range_fault(struct nouveau_svmm *svmm,
                NVIF_VMM_PFNMAP_V0_A |
                NVIF_VMM_PFNMAP_V0_HOST;
 
-       svmm->vmm->vmm.object.client->super = true;
        ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, size, NULL);
-       svmm->vmm->vmm.object.client->super = false;
        mutex_unlock(&svmm->mutex);
 
        unlock_page(page);
@@ -702,9 +697,7 @@ static int nouveau_range_fault(struct nouveau_svmm *svmm,
 
        nouveau_hmm_convert_pfn(drm, &range, args);
 
-       svmm->vmm->vmm.object.client->super = true;
        ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, size, NULL);
-       svmm->vmm->vmm.object.client->super = false;
        mutex_unlock(&svmm->mutex);
 
 out:
@@ -928,10 +921,8 @@ nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm,
 
        mutex_lock(&svmm->mutex);
 
-       svmm->vmm->vmm.object.client->super = true;
        ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, sizeof(*args) +
                                npages * sizeof(args->p.phys[0]), NULL);
-       svmm->vmm->vmm.object.client->super = false;
 
        mutex_unlock(&svmm->mutex);
 }

diff --git a/drivers/gpu/drm/nouveau/nvif/client.c b/drivers/gpu/drm/nouveau/nvif/client.c
index 12644f8..a3264a0 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvif/client.c
+++ b/drivers/gpu/drm/nouveau/nvif/client.c
@@ -32,7 +32,7 @@
 int
 nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
 {
-       return client->driver->ioctl(client->object.priv, client->super, data, size, NULL);
+       return client->driver->ioctl(client->object.priv, data, size, NULL);
 }
 
 int
@@ -80,7 +80,6 @@ nvif_client_ctor(struct nvif_client *parent, const char *name, u64 device,
        client->object.client = client;
        client->object.handle = ~0;
        client->route = NVIF_IOCTL_V0_ROUTE_NVIF;
-       client->super = true;
        client->driver = parent->driver;
 
        if (ret == 0) {

diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c
index 671a5c0..dce1ece 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvif/object.c
+++ b/drivers/gpu/drm/nouveau/nvif/object.c
@@ -44,8 +44,7 @@ nvif_object_ioctl(struct nvif_object *object, void *data, u32 size, void **hack)
        } else
                return -ENOSYS;
 
-       return client->driver->ioctl(client->object.priv, client->super,
-                                    data, size, hack);
+       return client->driver->ioctl(client->object.priv, data, size, hack);
 }
 
 void

diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
index d777df5..735cb68 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c
@@ -426,8 +426,7 @@ nvkm_ioctl_path(struct nvkm_client *client, u64 handle, u32 type,
 }
 
 int
-nvkm_ioctl(struct nvkm_client *client, bool supervisor,
-          void *data, u32 size, void **hack)
+nvkm_ioctl(struct nvkm_client *client, void *data, u32 size, void **hack)
 {
        struct nvkm_object *object = &client->object;
        union {
@@ -435,7 +434,6 @@ nvkm_ioctl(struct nvkm_client *client, bool supervisor,
        } *args = data;
        int ret = -ENOSYS;
 
-       client->super = supervisor;
        nvif_ioctl(object, "size %d\n", size);
 
        if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c
index d20cc06..797131e 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.c
@@ -26,7 +26,6 @@
 #include <core/client.h>
 #include <core/gpuobj.h>
 #include <subdev/fb.h>
-#include <subdev/instmem.h>
 
 #include <nvif/cl0002.h>
 #include <nvif/unpack.h>
@@ -72,11 +71,7 @@ nvkm_dmaobj_ctor(const struct nvkm_dmaobj_func *func, struct nvkm_dma *dma,
        union {
                struct nv_dma_v0 v0;
        } *args = *pdata;
-       struct nvkm_device *device = dma->engine.subdev.device;
-       struct nvkm_client *client = oclass->client;
        struct nvkm_object *parent = oclass->parent;
-       struct nvkm_instmem *instmem = device->imem;
-       struct nvkm_fb *fb = device->fb;
        void *data = *pdata;
        u32 size = *psize;
        int ret = -ENOSYS;
@@ -109,23 +104,13 @@ nvkm_dmaobj_ctor(const struct nvkm_dmaobj_func *func, struct nvkm_dma *dma,
                dmaobj->target = NV_MEM_TARGET_VM;
                break;
        case NV_DMA_V0_TARGET_VRAM:
-               if (!client->super) {
-                       if (dmaobj->limit >= fb->ram->size - instmem->reserved)
-                               return -EACCES;
-                       if (device->card_type >= NV_50)
-                               return -EACCES;
-               }
                dmaobj->target = NV_MEM_TARGET_VRAM;
                break;
        case NV_DMA_V0_TARGET_PCI:
-               if (!client->super)
-                       return -EACCES;
                dmaobj->target = NV_MEM_TARGET_PCI;
                break;
        case NV_DMA_V0_TARGET_PCI_US:
        case NV_DMA_V0_TARGET_AGP:
-               if (!client->super)
-                       return -EACCES;
                dmaobj->target = NV_MEM_TARGET_PCI_NOSNOOP;
                break;
        default:

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
index b6900a5..ae6c4d8 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
@@ -341,8 +341,6 @@ gk104_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
                                   "runlist %016llx priv %d\n",
                           args->v0.version, args->v0.vmm, args->v0.ioffset,
                           args->v0.ilength, args->v0.runlist, args->v0.priv);
-               if (args->v0.priv && !oclass->client->super)
-                       return -EINVAL;
                return gk104_fifo_gpfifo_new_(fifo,
                                              &args->v0.runlist,
                                              &args->v0.chid,

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
index ee4967b..743791c 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c
@@ -226,8 +226,6 @@ gv100_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
                                   "runlist %016llx priv %d\n",
                           args->v0.version, args->v0.vmm, args->v0.ioffset,
                           args->v0.ilength, args->v0.runlist, args->v0.priv);
-               if (args->v0.priv && !oclass->client->super)
-                       return -EINVAL;
                return gv100_fifo_gpfifo_new_(&gv100_fifo_gpfifo, fifo,
                                              &args->v0.runlist,
                                              &args->v0.chid,

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c
index abef7fb..99aafa1 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c
@@ -65,8 +65,6 @@ tu102_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
                                   "runlist %016llx priv %d\n",
                           args->v0.version, args->v0.vmm, args->v0.ioffset,
                           args->v0.ilength, args->v0.runlist, args->v0.priv);
-               if (args->v0.priv && !oclass->client->super)
-                       return -EINVAL;
                return gv100_fifo_gpfifo_new_(&tu102_fifo_gpfifo, fifo,
                                              &args->v0.runlist,
                                              &args->v0.chid,

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c
index fac2f9a..e530bb8 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.c
@@ -41,7 +41,7 @@ nvkm_umem_search(struct nvkm_client *client, u64 handle)
 
        object = nvkm_object_search(client, handle, &nvkm_umem);
        if (IS_ERR(object)) {
-               if (client->super && client != master) {
+               if (client != master) {
                        spin_lock(&master->lock);
                        list_for_each_entry(umem, &master->umem, head) {
                                if (umem->object.object == handle) {
@@ -53,8 +53,7 @@ nvkm_umem_search(struct nvkm_client *client, u64 handle)
                }
        } else {
                umem = nvkm_umem(object);
-               if (!umem->priv || client->super)
-                       memory = nvkm_memory_ref(umem->memory);
+               memory = nvkm_memory_ref(umem->memory);
        }
 
        return memory ? memory : ERR_PTR(-ENOENT);
@@ -167,7 +166,6 @@ nvkm_umem_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
        nvkm_object_ctor(&nvkm_umem, oclass, &umem->object);
        umem->mmu = mmu;
        umem->type = mmu->type[type].type;
-       umem->priv = oclass->client->super;
        INIT_LIST_HEAD(&umem->head);
        *pobject = &umem->object;
 

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
index 85cf692..d56a594 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/umem.h
@@ -8,7 +8,6 @@ struct nvkm_umem {
        struct nvkm_object object;
        struct nvkm_mmu *mmu;
        u8 type:8;
-       bool priv:1;
        bool mappable:1;
        bool io:1;
 

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
index 0e4b894..6870fda 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
@@ -34,7 +34,7 @@ nvkm_ummu_sclass(struct nvkm_object *object, int index,
 {
        struct nvkm_mmu *mmu = nvkm_ummu(object)->mmu;
 
-       if (mmu->func->mem.user.oclass && oclass->client->super) {
+       if (mmu->func->mem.user.oclass) {
                if (index-- == 0) {
                        oclass->base = mmu->func->mem.user;
                        oclass->ctor = nvkm_umem_new;

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c
index c43b824..d6a1f8d 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/uvmm.c
@@ -45,7 +45,6 @@ nvkm_uvmm_search(struct nvkm_client *client, u64 handle)
 static int
 nvkm_uvmm_mthd_pfnclr(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 {
-       struct nvkm_client *client = uvmm->object.client;
        union {
                struct nvif_vmm_pfnclr_v0 v0;
        } *args = argv;
@@ -59,9 +58,6 @@ nvkm_uvmm_mthd_pfnclr(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
        } else
                return ret;
 
-       if (!client->super)
-               return -ENOENT;
-
        if (size) {
                mutex_lock(&vmm->mutex);
                ret = nvkm_vmm_pfn_unmap(vmm, addr, size);
@@ -74,7 +70,6 @@ nvkm_uvmm_mthd_pfnclr(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 static int
 nvkm_uvmm_mthd_pfnmap(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 {
-       struct nvkm_client *client = uvmm->object.client;
        union {
                struct nvif_vmm_pfnmap_v0 v0;
        } *args = argv;
@@ -93,9 +88,6 @@ nvkm_uvmm_mthd_pfnmap(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
        } else
                return ret;
 
-       if (!client->super)
-               return -ENOENT;
-
        if (size) {
                mutex_lock(&vmm->mutex);
                ret = nvkm_vmm_pfn_map(vmm, page, addr, size, phys);
@@ -108,7 +100,6 @@ nvkm_uvmm_mthd_pfnmap(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 static int
 nvkm_uvmm_mthd_unmap(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 {
-       struct nvkm_client *client = uvmm->object.client;
        union {
                struct nvif_vmm_unmap_v0 v0;
        } *args = argv;
@@ -130,9 +121,8 @@ nvkm_uvmm_mthd_unmap(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
                goto done;
        }
 
-       if (ret = -ENOENT, (!vma->user && !client->super) || vma->busy) {
-               VMM_DEBUG(vmm, "denied %016llx: %d %d %d", addr,
-                         vma->user, !client->super, vma->busy);
+       if (ret = -ENOENT, vma->busy) {
+               VMM_DEBUG(vmm, "denied %016llx: %d", addr, vma->busy);
                goto done;
        }
 
@@ -181,9 +171,8 @@ nvkm_uvmm_mthd_map(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
                goto fail;
        }
 
-       if (ret = -ENOENT, (!vma->user && !client->super) || vma->busy) {
-               VMM_DEBUG(vmm, "denied %016llx: %d %d %d", addr,
-                         vma->user, !client->super, vma->busy);
+       if (ret = -ENOENT, vma->busy) {
+               VMM_DEBUG(vmm, "denied %016llx: %d", addr, vma->busy);
                goto fail;
        }
 
@@ -230,7 +219,6 @@ fail:
 static int
 nvkm_uvmm_mthd_put(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 {
-       struct nvkm_client *client = uvmm->object.client;
        union {
                struct nvif_vmm_put_v0 v0;
        } *args = argv;
@@ -252,9 +240,8 @@ nvkm_uvmm_mthd_put(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
                goto done;
        }
 
-       if (ret = -ENOENT, (!vma->user && !client->super) || vma->busy) {
-               VMM_DEBUG(vmm, "denied %016llx: %d %d %d", addr,
-                         vma->user, !client->super, vma->busy);
+       if (ret = -ENOENT, vma->busy) {
+               VMM_DEBUG(vmm, "denied %016llx: %d", addr, vma->busy);
                goto done;
        }
 
@@ -268,7 +255,6 @@ done:
 static int
 nvkm_uvmm_mthd_get(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
 {
-       struct nvkm_client *client = uvmm->object.client;
        union {
                struct nvif_vmm_get_v0 v0;
        } *args = argv;
@@ -297,7 +283,6 @@ nvkm_uvmm_mthd_get(struct nvkm_uvmm *uvmm, void *argv, u32 argc)
                return ret;
 
        args->v0.addr = vma->addr;
-       vma->user = !client->super;
        return ret;
 }
 

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
index 710f3f8..8bf00b3 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
@@ -774,7 +774,6 @@ nvkm_vma_tail(struct nvkm_vma *vma, u64 tail)
        new->refd = vma->refd;
        new->used = vma->used;
        new->part = vma->part;
-       new->user = vma->user;
        new->busy = vma->busy;
        new->mapped = vma->mapped;
        list_add(&new->head, &vma->head);
@@ -951,7 +950,7 @@ nvkm_vmm_node_split(struct nvkm_vmm *vmm,
 static void
 nvkm_vma_dump(struct nvkm_vma *vma)
 {
-       printk(KERN_ERR "%016llx %016llx %c%c%c%c%c%c%c%c%c %p\n",
+       printk(KERN_ERR "%016llx %016llx %c%c%c%c%c%c%c%c %p\n",
               vma->addr, (u64)vma->size,
               vma->used ? '-' : 'F',
               vma->mapref ? 'R' : '-',
@@ -959,7 +958,6 @@ nvkm_vma_dump(struct nvkm_vma *vma)
               vma->page != NVKM_VMA_PAGE_NONE ? '0' + vma->page : '-',
               vma->refd != NVKM_VMA_PAGE_NONE ? '0' + vma->refd : '-',
               vma->part ? 'P' : '-',
-              vma->user ? 'U' : '-',
               vma->busy ? 'B' : '-',
               vma->mapped ? 'M' : '-',
               vma->memory);
@@ -1024,7 +1022,6 @@ nvkm_vmm_ctor_managed(struct nvkm_vmm *vmm, u64 addr, u64 size)
        vma->mapref = true;
        vma->sparse = false;
        vma->used = true;
-       vma->user = true;
        nvkm_vmm_node_insert(vmm, vma);
        list_add_tail(&vma->head, &vmm->list);
        return 0;
@@ -1615,7 +1612,6 @@ nvkm_vmm_put_locked(struct nvkm_vmm *vmm, struct nvkm_vma *vma)
        vma->page = NVKM_VMA_PAGE_NONE;
        vma->refd = NVKM_VMA_PAGE_NONE;
        vma->used = false;
-       vma->user = false;
        nvkm_vmm_put_region(vmm, vma);
 }
 

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
index f02abd9..b5e7337 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
@@ -534,15 +534,13 @@ int
 gp100_vmm_mthd(struct nvkm_vmm *vmm,
               struct nvkm_client *client, u32 mthd, void *argv, u32 argc)
 {
-       if (client->super) {
-               switch (mthd) {
-               case GP100_VMM_VN_FAULT_REPLAY:
-                       return gp100_vmm_fault_replay(vmm, argv, argc);
-               case GP100_VMM_VN_FAULT_CANCEL:
-                       return gp100_vmm_fault_cancel(vmm, argv, argc);
-               default:
-                       break;
-               }
+       switch (mthd) {
+       case GP100_VMM_VN_FAULT_REPLAY:
+               return gp100_vmm_fault_replay(vmm, argv, argc);
+       case GP100_VMM_VN_FAULT_CANCEL:
+               return gp100_vmm_fault_cancel(vmm, argv, argc);
+       default:
+               break;
        }
        return -EINVAL;
 }