sugar/linux
1
0
Fork 0
Code Activity

drm/amd/pm set pp_dpm_*clk as read only for SRIOV one VF mode

Browse Source 
pp_dpm_*clk should be set as read only for SRIOV one VF mode, remove
S_IWUGO flag and _store function of these debugfs in one VF mode.

Signed-off-by: Lin.Cao <lincao12@amd.com>
Acked-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lin.Cao
2024-03-15 11:50:11 +08:00
committed by Alex Deucher
parent 3be6a63e06
commit 734ae8ef62
1 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/amd/pm/amdgpu_pm.c
View File

@@ -2379,7 +2379,15 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
}
/* 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)) {
if (amdgpu_sriov_vf(adev) && (!amdgpu_sriov_is_pp_one_vf(adev) ||
DEVICE_ATTR_IS(pp_dpm_sclk) ||
DEVICE_ATTR_IS(pp_dpm_mclk) ||
DEVICE_ATTR_IS(pp_dpm_socclk) ||
DEVICE_ATTR_IS(pp_dpm_fclk) ||
DEVICE_ATTR_IS(pp_dpm_vclk) ||
DEVICE_ATTR_IS(pp_dpm_vclk1) ||
DEVICE_ATTR_IS(pp_dpm_dclk) ||
DEVICE_ATTR_IS(pp_dpm_dclk1))) {
dev_attr->attr.mode &= ~S_IWUGO;
dev_attr->store = NULL;
}