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path: root/drivers/gpu/drm/nouveau/nouveau_gem.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_gem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c49
1 files changed, 44 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 9c8d1b911a01..f39360870c70 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -103,6 +103,7 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
+ struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli);
struct nouveau_vmm *vmm = nouveau_cli_vmm(cli);
struct nouveau_vma *vma;
int ret;
@@ -110,6 +111,9 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
return 0;
+ if (nvbo->no_share && uvmm && &uvmm->resv != nvbo->bo.base.resv)
+ return -EPERM;
+
ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
if (ret)
return ret;
@@ -120,7 +124,11 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
goto out;
}
- ret = nouveau_vma_new(nvbo, vmm, &vma);
+ /* only create a VMA on binding */
+ if (!nouveau_cli_uvmm(cli))
+ ret = nouveau_vma_new(nvbo, vmm, &vma);
+ else
+ ret = 0;
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
out:
@@ -187,6 +195,9 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
return;
+ if (nouveau_cli_uvmm(cli))
+ return;
+
ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
if (ret)
return;
@@ -209,6 +220,7 @@ const struct drm_gem_object_funcs nouveau_gem_object_funcs = {
.free = nouveau_gem_object_del,
.open = nouveau_gem_object_open,
.close = nouveau_gem_object_close,
+ .export = nouveau_gem_prime_export,
.pin = nouveau_gem_prime_pin,
.unpin = nouveau_gem_prime_unpin,
.get_sg_table = nouveau_gem_prime_get_sg_table,
@@ -224,18 +236,28 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain,
struct nouveau_bo **pnvbo)
{
struct nouveau_drm *drm = cli->drm;
+ struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli);
+ struct dma_resv *resv = NULL;
struct nouveau_bo *nvbo;
int ret;
+ if (domain & NOUVEAU_GEM_DOMAIN_NO_SHARE) {
+ if (unlikely(!uvmm))
+ return -EINVAL;
+
+ resv = &uvmm->resv;
+ }
+
if (!(domain & (NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART)))
domain |= NOUVEAU_GEM_DOMAIN_CPU;
nvbo = nouveau_bo_alloc(cli, &size, &align, domain, tile_mode,
- tile_flags);
+ tile_flags, false);
if (IS_ERR(nvbo))
return PTR_ERR(nvbo);
nvbo->bo.base.funcs = &nouveau_gem_object_funcs;
+ nvbo->no_share = domain & NOUVEAU_GEM_DOMAIN_NO_SHARE;
/* Initialize the embedded gem-object. We return a single gem-reference
* to the caller, instead of a normal nouveau_bo ttm reference. */
@@ -246,7 +268,14 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain,
return ret;
}
- ret = nouveau_bo_init(nvbo, size, align, domain, NULL, NULL);
+ if (resv)
+ dma_resv_lock(resv, NULL);
+
+ ret = nouveau_bo_init(nvbo, size, align, domain, NULL, resv);
+
+ if (resv)
+ dma_resv_unlock(resv);
+
if (ret)
return ret;
@@ -279,13 +308,15 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
else
rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
rep->offset = nvbo->offset;
- if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
+ if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50 &&
+ !nouveau_cli_uvmm(cli)) {
vma = nouveau_vma_find(nvbo, vmm);
if (!vma)
return -EINVAL;
rep->offset = vma->addr;
- }
+ } else
+ rep->offset = 0;
rep->size = nvbo->bo.base.size;
rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.base.vma_node);
@@ -310,6 +341,11 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
struct nouveau_bo *nvbo = NULL;
int ret = 0;
+ /* If uvmm wasn't initialized until now disable it completely to prevent
+ * userspace from mixing up UAPIs.
+ */
+ nouveau_cli_disable_uvmm_noinit(cli);
+
ret = nouveau_gem_new(cli, req->info.size, req->align,
req->info.domain, req->info.tile_mode,
req->info.tile_flags, &nvbo);
@@ -721,6 +757,9 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
if (unlikely(!abi16))
return -ENOMEM;
+ if (unlikely(nouveau_cli_uvmm(cli)))
+ return -ENOSYS;
+
list_for_each_entry(temp, &abi16->channels, head) {
if (temp->chan->chid == req->channel) {
chan = temp->chan;