Re: [PATCH] drm/amdgpu: skip mgpu fan boost for multi-vf

[Alex Deucher <alexdeucher@gmail.com>]

On Mon, Jul 28, 2025 at 9:18 AM Yunxiang Li <Yunxiang.Li@amd.com> wrote:
>
> On multi-vf setup if the VM have two vf assigned, perhaps from two
> different gpus, mgpu fan boost will fail.
>
> Signed-off-by: Yunxiang Li <Yunxiang.Li@amd.com>

Acked-by: Alex Deucher <alexander.deucher@amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 684d66bc0b5f..e0faf7200ec5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -3389,7 +3389,7 @@ static int amdgpu_device_enable_mgpu_fan_boost(void)
>         for (i = 0; i < mgpu_info.num_dgpu; i++) {
>                 gpu_ins = &(mgpu_info.gpu_ins[i]);
>                 adev = gpu_ins->adev;
> -               if (!(adev->flags & AMD_IS_APU) &&
> +               if (!(adev->flags & AMD_IS_APU || amdgpu_sriov_multi_vf_mode(adev)) &&
>                     !gpu_ins->mgpu_fan_enabled) {
>                         ret = amdgpu_dpm_enable_mgpu_fan_boost(adev);
>                         if (ret)
> --
> 2.50.1
>