From b3f80319f83e40a9741c0737b49fb147ab14e676 Mon Sep 17 00:00:00 2001
From: Monk Liu <Monk.Liu@amd.com>
Date: Wed, 22 Apr 2020 12:19:13 +0800
Subject: drm/amdgpu: skip sysfs node not belong to one vf mode
Git-commit: 8efd72759e9ee9c6a5e841d1fdb27cd60d8b2ed2
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 48 +++++++++++++++-----------
 1 file changed, 28 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 49e2e43f2e4a..c762deb5abc7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -3271,26 +3271,27 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 		return ret;
 	}
 
-
-	ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
-	if (ret) {
-		DRM_ERROR("failed to create device file pp_num_states\n");
-		return ret;
-	}
-	ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
-	if (ret) {
-		DRM_ERROR("failed to create device file pp_cur_state\n");
-		return ret;
-	}
-	ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
-	if (ret) {
-		DRM_ERROR("failed to create device file pp_force_state\n");
-		return ret;
-	}
-	ret = device_create_file(adev->dev, &dev_attr_pp_table);
-	if (ret) {
-		DRM_ERROR("failed to create device file pp_table\n");
-		return ret;
+	if (!amdgpu_sriov_vf(adev)) {
+		ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_num_states\n");
+			return ret;
+		}
+		ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_cur_state\n");
+			return ret;
+		}
+		ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_force_state\n");
+			return ret;
+		}
+		ret = device_create_file(adev->dev, &dev_attr_pp_table);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_table\n");
+			return ret;
+		}
 	}
 
 	ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
@@ -3337,6 +3338,13 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 			return ret;
 		}
 	}
+
+	/* the reset are not needed for SRIOV one vf mode */
+	if (amdgpu_sriov_vf(adev)) {
+		adev->pm.sysfs_initialized = true;
+		return ret;
+	}
+
 	if (adev->asic_type != CHIP_ARCTURUS) {
 		ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie);
 		if (ret) {
-- 
2.28.0