From 734ae8ef625e30ea9b3ea0e7c8110bdceb6ddf26 Mon Sep 17 00:00:00 2001
From: "Lin.Cao" <lincao12@amd.com>
Date: Fri, 15 Mar 2024 11:50:11 +0800
Subject: drm/amd/pm set pp_dpm_*clk as read only for SRIOV one VF mode
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>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
(limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index c90f5972e03e..85e935556d7d 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -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;
}
--
cgit v1.2.3-70-g09d2