diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-01-14 10:27:02 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-01-17 11:28:50 +1000 |
| commit | c906ca0fbf237b77ba2101a2fa9050317137fde8 (patch) | |
| tree | 1251a50df91560beca35ec047a80226b212e59b3 /drivers/gpu | |
| parent | 1380da4979728bdd6af0086a8c8e186da14ae673 (diff) | |
| download | linux-c906ca0fbf237b77ba2101a2fa9050317137fde8.tar.bz2 | |
drm/nvc0: enable protection of system-use-only structures in vm
Somehow missed this in the original merge of the nvc0 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_instmem.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_graph.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_vm.c | 4 |
4 files changed, 10 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 07a7e6ad5e3b..51920321d058 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -160,6 +160,7 @@ enum nouveau_flags { #define NVOBJ_FLAG_ZERO_ALLOC (1 << 1) #define NVOBJ_FLAG_ZERO_FREE (1 << 2) #define NVOBJ_FLAG_VM (1 << 3) +#define NVOBJ_FLAG_VM_USER (1 << 4) #define NVOBJ_CINST_GLOBAL 0xdeadbeef diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index 2e1b1cd19a4b..ea0041810ae3 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -332,8 +332,11 @@ nv50_instmem_get(struct nouveau_gpuobj *gpuobj, u32 size, u32 align) gpuobj->vinst = node->vram->offset; if (gpuobj->flags & NVOBJ_FLAG_VM) { - ret = nouveau_vm_get(dev_priv->chan_vm, size, 12, - NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS, + u32 flags = NV_MEM_ACCESS_RW; + if (!(gpuobj->flags & NVOBJ_FLAG_VM_USER)) + flags |= NV_MEM_ACCESS_SYS; + + ret = nouveau_vm_get(dev_priv->chan_vm, size, 12, flags, &node->chan_vma); if (ret) { vram->put(dev, &node->vram); diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c index 5feacd5d5fa4..e6ea7d83187f 100644 --- a/drivers/gpu/drm/nouveau/nvc0_graph.c +++ b/drivers/gpu/drm/nouveau/nvc0_graph.c @@ -105,7 +105,8 @@ nvc0_graph_create_context_mmio_list(struct nouveau_channel *chan) if (ret) return ret; - ret = nouveau_gpuobj_new(dev, NULL, 384 * 1024, 4096, NVOBJ_FLAG_VM, + ret = nouveau_gpuobj_new(dev, NULL, 384 * 1024, 4096, + NVOBJ_FLAG_VM | NVOBJ_FLAG_VM_USER, &grch->unk418810); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nvc0_vm.c b/drivers/gpu/drm/nouveau/nvc0_vm.c index 4b9251bb0ff4..e4e83c2caf5b 100644 --- a/drivers/gpu/drm/nouveau/nvc0_vm.c +++ b/drivers/gpu/drm/nouveau/nvc0_vm.c @@ -48,8 +48,8 @@ nvc0_vm_addr(struct nouveau_vma *vma, u64 phys, u32 memtype, u32 target) phys >>= 8; phys |= 0x00000001; /* present */ -// if (vma->access & NV_MEM_ACCESS_SYS) -// phys |= 0x00000002; + if (vma->access & NV_MEM_ACCESS_SYS) + phys |= 0x00000002; phys |= ((u64)target << 32); phys |= ((u64)memtype << 36); |