This reverts commit 358c258a816baed4c6997b59c2117578a1360498. Jerome actually pointed out why that stuff doesn't work in 2016: https://lists.freedesktop.org/archives/dri-devel/2016-March/103062.html Unfortunately the revert somehow got lost. Signed-off-by: Christian König <christian.koenig@xxxxxxx> Fixes: 358c258a816baed4c6997b59c2117578a1360498 --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 3adaa4670103..331969b96a5a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -433,10 +433,12 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, AMDGPU_GEM_USERPTR_REGISTER)) return -EINVAL; - if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && - !(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) { + if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && ( + !(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) || + !(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) { - /* if we want to write to it we must install a MMU notifier */ + /* if we want to write to it we must require anonymous + memory and install a MMU notifier */ return -EACCES; } -- 2.34.1
