diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 |
3 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 32f36c940abb..26220ee87291 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -233,7 +233,8 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, AMDGPU_GEM_CREATE_CPU_GTT_USWC | AMDGPU_GEM_CREATE_VRAM_CLEARED | AMDGPU_GEM_CREATE_VM_ALWAYS_VALID | - AMDGPU_GEM_CREATE_EXPLICIT_SYNC)) + AMDGPU_GEM_CREATE_EXPLICIT_SYNC | + AMDGPU_GEM_CREATE_ENCRYPTED)) return -EINVAL; @@ -241,6 +242,11 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, if (args->in.domains & ~AMDGPU_GEM_DOMAIN_MASK) return -EINVAL; + if (!adev->tmz.enabled && (flags & AMDGPU_GEM_CREATE_ENCRYPTED)) { + DRM_ERROR("Cannot allocate secure buffer while tmz is disabled\n"); + return -EINVAL; + } + /* create a gem object to contain this object in */ if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS | AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) { @@ -262,6 +268,10 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, resv = vm->root.base.bo->tbo.base.resv; } + if (flags & AMDGPU_GEM_CREATE_ENCRYPTED) { + /* XXX: pad out alignment to meet TMZ requirements */ + } + r = amdgpu_gem_object_create(adev, size, args->in.alignment, (u32)(0xffffffff & args->in.domains), flags, ttm_bo_type_device, resv, &gobj); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 5e39ecd8cc28..7d41f7b9a340 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -229,6 +229,17 @@ static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo) return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC; } +/** + * amdgpu_bo_encrypted - test if the BO is encrypted + * @bo: pointer to a buffer object + * + * Return true if the buffer object is encrypted, false otherwise. + */ +static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo) +{ + return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED; +} + bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index bcdaf5204d05..0d8210553059 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1784,6 +1784,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, if (bo) { flags = amdgpu_ttm_tt_pte_flags(adev, bo->tbo.ttm, mem); + + if (amdgpu_bo_encrypted(bo)) + flags |= AMDGPU_PTE_TMZ; + bo_adev = amdgpu_ttm_adev(bo->tbo.bdev); } else { flags = 0x0; |