Commit 358c258a authored by Christian König's avatar Christian König Committed by Alex Deucher

drm/amdgpu: allow write access to mapped userptrs

With the updated MMU notifier we should also be able to
handle the writeback case correctly.
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 00dfedc1
......@@ -258,12 +258,10 @@ 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_ANONONLY) ||
!(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) {
if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) &&
!(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) {
/* if we want to write to it we must require anonymous
memory and install a MMU notifier */
/* if we want to write to it we must install a MMU notifier */
return -EACCES;
}
......
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