From: Lin.Cao <lincao12@amd.com>
Date: Fri, 15 Mar 2024 03:50:11 +0000 (+0800)
Subject: drm/amd/pm set pp_dpm_*clk as read only for SRIOV one VF mode
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=734ae8ef625e30ea9b3ea0e7c8110bdceb6ddf26;p=linux.git

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>
---

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index c90f5972e03e4..85e935556d7d9 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;
 	}