drm/amd/pm: enable pm sysfs write for one VF mode

[ Upstream commit e610941c45bad75aa839af015c27d236ab6749e5 ]

[why]
pm sysfs should be writable in one VF mode as is in passthrough

[how]
do not remove write access on pm sysfs if device is in one VF mode

Fixes: 11c9cc95f818 ("amdgpu/pm: Make sysfs pm attributes as read-only for VFs")
Signed-off-by: Yiqing Yao <yiqing.yao@amd.com>
Reviewed-by: Monk Liu <Monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 48cc009d9bdf3fd3979974a668925be98c937e86..dc910003f3cab5ed3ac126f2e0c840538bb2dc52 100644 (file)
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2134,8 +2134,8 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
                }
        }
 
-       /* setting should not be allowed from VF */
-       if (amdgpu_sriov_vf(adev)) {
+       /* setting should not be allowed from VF if not in one VF mode */
+       if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
                dev_attr->attr.mode &= ~S_IWUGO;
                dev_attr->store = NULL;
        }