From c983361a724999fcf6a209b485188a9ee93a5e38 Mon Sep 17 00:00:00 2001
From: Monk Liu <Monk.Liu@amd.com>
Date: Wed, 22 Apr 2020 12:15:23 +0800
Subject: [PATCH] drm/amdgpu: sriov is forbidden to call disable DPM

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>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 88b4e56..2bb1e0c 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1403,6 +1403,9 @@ failed:
 
 static int smu_stop_dpms(struct smu_context *smu)
 {
+	if (amdgpu_sriov_vf(smu->adev))
+		return 0;
+
 	return smu_system_features_control(smu, false);
 }
 
-- 
2.7.4