[PATCH 2/2] drm/amdgpu: Set proper function to set xgmi pstate

[Liu, Shaoyun]

ping

On 2019-04-05 12:01 p.m., Liu, Shaoyun wrote:
> Driver need to call SMU to set xgmi pstate
>
> Change-Id: Iad7fd0e3b3155e45be8fe9119686c5bafa3c176c
> Signed-off-by: shaoyunl <shaoyun.liu at 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;
>   }
>