[PATCH] drm/amdgpu/sriov: Disable pm for multiple vf sriov

Quan, Evan Evan.Quan at amd.com
Thu Jun 11 04:40:33 UTC 2020

[AMD Official Use Only - Internal Distribution Only]

Can this be moved to smu_early_init()? Or just do not adding the SMU ip for multiple vf sriov?

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Emily Deng
Sent: Tuesday, June 2, 2020 8:40 PM
To: amd-gfx at lists.freedesktop.org
Cc: Deng, Emily <Emily.Deng at amd.com>
Subject: [PATCH] drm/amdgpu/sriov: Disable pm for multiple vf sriov

Signed-off-by: Emily Deng <Emily.Deng at amd.com>
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 5294aa7..8ed6c90 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1311,8 +1311,10 @@ static int smu_hw_init(void *handle)
 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 struct smu_context *smu = &adev->smu;

-if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
+if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) {
+smu->pm_enabled = false;
 return 0;

 ret = smu_start_smc_engine(smu);
 if (ret) {

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