diff mbox series

[5.10,299/599] drm/amd/pm: enable pm sysfs write for one VF mode

Message ID 20220405070307.731614410@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman April 5, 2022, 7:29 a.m. UTC 
From: Yiqing Yao <yiqing.yao@amd.com>

[ 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>
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 49109614510b..5abb68017f6e 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2098,8 +2098,8 @@  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;
 	}