The alignment should match the page size for secure buffer. Signed-off-by: Huang Rui <ray.huang@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index f39012e..a03eead 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -261,9 +261,10 @@ 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 */ - } + /* TMZ requires the secure buffer to align with page size at least */ + if (flags & AMDGPU_GEM_CREATE_ENCRYPTED) + args->in.alignment = roundup(args->in.alignment, + AMDGPU_GPU_PAGE_SIZE); r = amdgpu_gem_object_create(adev, size, args->in.alignment, (u32)(0xffffffff & args->in.domains), -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx