mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-13 14:14:37 +00:00
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: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
00dfedc1e4
commit
358c258a81
1 changed files with 3 additions and 5 deletions
|
@ -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;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue