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

["Deng, Emily" <Emily.Deng@xxxxxxx>]

[AMD Official Use Only - Internal Distribution Only]

Hi Evan,
    The multiple vf detect is amdgpu_device_ip_init.

Best wishes
Emily Deng



>-----Original Message-----
>From: Quan, Evan <Evan.Quan@xxxxxxx>
>Sent: Thursday, June 11, 2020 12:41 PM
>To: Deng, Emily <Emily.Deng@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>Cc: Deng, Emily <Emily.Deng@xxxxxxx>
>Subject: RE: [PATCH] drm/amdgpu/sriov: Disable pm for multiple vf sriov
>
>[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?
>
>Evan
>-----Original Message-----
>From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Emily
>Deng
>Sent: Tuesday, June 2, 2020 8:40 PM
>To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
>Cc: Deng, Emily <Emily.Deng@xxxxxxx>
>Subject: [PATCH] drm/amdgpu/sriov: Disable pm for multiple vf sriov
>
>Signed-off-by: Emily Deng <Emily.Deng@xxxxxxx>
>---
> 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) {
>--
>2.7.4
>
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