diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-01-27 23:12:16 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2022-01-27 23:12:16 +0000 |
| commit | a2b9931694fafdcca50c175ca786205e30b0009d (patch) | |
| tree | 9077d67d245f720f7e5553c0617dad21d6ddcdf0 /sys/dev/pci | |
| parent | 35e7ca6288992470e34c6b14fa090411cf4db973 (diff) | |
amdgpu/pm: Make sysfs pm attributes as read-only for VFs
From Marina Nikolic
e4066c05d3327b530bb00d11d3492bac1e69982d in linux 5.15.y/5.15.17
11c9cc95f818f0f187e9b579a7f136f532b42445 in mainline linux
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/drm/amd/pm/amdgpu_pm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/amd/pm/amdgpu_pm.c b/sys/dev/pci/drm/amd/pm/amdgpu_pm.c index fc350a2557b..50e7874c6e5 100644 --- a/sys/dev/pci/drm/amd/pm/amdgpu_pm.c +++ b/sys/dev/pci/drm/amd/pm/amdgpu_pm.c @@ -2119,6 +2119,12 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ } } + /* setting should not be allowed from VF */ + if (amdgpu_sriov_vf(adev)) { + dev_attr->attr.mode &= ~S_IWUGO; + dev_attr->store = NULL; + } + #undef DEVICE_ATTR_IS return 0; |