'pstate' here (int) is with different data type from the 1st patch of this 
series(uint32_t there).
Please check whether that can cause any potential issues.
With that confirmed, the patch is reviewed-by: Evan Quan <evan.q...@amd.com>

> -----Original Message-----
> From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Liu,
> Shaoyun
> Sent: Saturday, April 06, 2019 12:02 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Liu, Shaoyun <shaoyun....@amd.com>
> Subject: [PATCH 2/2] drm/amdgpu: Set proper function to set xgmi pstate
> 
> Driver need to call SMU to set xgmi pstate
> 
> Change-Id: Iad7fd0e3b3155e45be8fe9119686c5bafa3c176c
> Signed-off-by: shaoyunl <shaoyun....@amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> index 3368347..a48c84c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> @@ -24,6 +24,7 @@
>  #include <linux/list.h>
>  #include "amdgpu.h"
>  #include "amdgpu_xgmi.h"
> +#include "amdgpu_smu.h"
> 
> 
>  static DEFINE_MUTEX(xgmi_mutex);
> @@ -216,7 +217,17 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device
> *adev, int pstate)
> 
>       if (hive->pstate == pstate)
>               return 0;
> -     /* Todo : sent the message to SMU for pstate change */
> +
> +     dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate);
> +
> +     if (is_support_sw_smu(adev))
> +             ret = smu_set_xgmi_pstate(&adev->smu, pstate);
> +     if (ret)
> +             dev_err(adev->dev,
> +                     "XGMI: Set pstate failure on device %llx, hive %llx,
> ret %d",
> +                     adev->gmc.xgmi.node_id,
> +                     adev->gmc.xgmi.hive_id, ret);
> +
>       return ret;
>  }
> 
> --
> 2.7.4
> 
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