RE: [PATCH] drm/amdgpu: skip power profile switch in sriov

["Quan, Evan" <Evan.Quan@xxxxxxx>]

[AMD Official Use Only - Internal Distribution Only]

Acked-by: Evan Quan <evan.quan@xxxxxxx>

-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jingwen Chen
Sent: Thursday, November 26, 2020 4:38 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Zhao, Jiange <Jiange.Zhao@xxxxxxx>
Cc: Chen, JingWen <JingWen.Chen2@xxxxxxx>
Subject: [PATCH] drm/amdgpu: skip power profile switch in sriov

power profile switch in vcn need to send SetWorkLoad msg to smu, which is not supported in sriov.

Signed-off-by: Jingwen Chen <Jingwen.Chen2@xxxxxxx>
---
 drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 17a45baff638..8fb12afe3c96 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -1168,6 +1168,9 @@ int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,  {
 int ret = 0;

+if (amdgpu_sriov_vf(adev))
+return 0;
+
 if (is_support_sw_smu(adev))
 ret = smu_switch_power_profile(&adev->smu, type, en);
 else if (adev->powerplay.pp_funcs &&
--
2.25.1

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