Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Liu,
> Shaoyun
> Sent: Monday, April 15, 2019 11:25 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Liu, Shaoyun <Shaoyun.Liu@xxxxxxx>
> Subject: [PATCH] drm/powerplay : send SMC message to set XGMI pstate
>
> Send message with parameter to SMC to set xgmi pstate
>
> Change-Id: I5d90cffd63690f31f0df62c206b263d300f14234
> Signed-off-by: shaoyunl <shaoyun.liu@xxxxxxx>
> ---
> drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> index c478b38..92903a4 100644
> --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
> @@ -1896,8 +1896,13 @@ static int smu_v11_0_set_fan_speed_rpm(struct
> smu_context *smu, static int smu_v11_0_set_xgmi_pstate(struct
> smu_context *smu,
> uint32_t pstate)
> {
> - /* send msg to SMU to set pstate */
> - return 0;
> + int ret = 0;
> + mutex_lock(&(smu->mutex));
> + ret = smu_send_smc_msg_with_param(smu,
> + SMU_MSG_SetXgmiMode,
> + pstate ? XGMI_STATE_D0 :
> XGMI_STATE_D3);
> + mutex_unlock(&(smu->mutex));
> + return ret;
> }
>
> static const struct smu_funcs smu_v11_0_funcs = {
> --
> 2.7.4
>
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