>I don't think backend_init actually touches the hw anywhere else.
>Seems like it might be better to move this to setup_asic_task for
>consistency.


Thanks Alex, you are right. the change for telemetry will cause telemetry 
setting not restore after s3/s4 resume back.


Best Regards

Rex

________________________________
From: Alex Deucher <alexdeuc...@gmail.com>
Sent: Friday, February 23, 2018 1:01 PM
To: Zhu, Rex
Cc: amd-gfx list
Subject: Re: [PATCH] drm/amd/pp: Cleaning up vega10_enable_dpm_tasks function

On Thu, Feb 22, 2018 at 11:21 PM, Rex Zhu <rex....@amd.com> wrote:
> move out functions that unrelated to enable dpm task.
>
> Change-Id: I93416e0eea82325040557a64af2b82a38d8c32ce
> Signed-off-by: Rex Zhu <rex....@amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 14 +++++---------
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h |  1 -
>  2 files changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c 
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index b13f55d..c6cc6b2 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -811,7 +811,8 @@ static int vega10_hwmgr_backend_init(struct pp_hwmgr 
> *hwmgr)
>                         data->vddci_control = VEGA10_VOLTAGE_CONTROL_BY_GPIO;
>         }
>
> -       data->config_telemetry = config_telemetry;
> +       smum_send_msg_to_smc_with_parameter(hwmgr,
> +               PPSMC_MSG_ConfigureTelemetry, config_telemetry);

I don't think backend_init actually touches the hw anywhere else.
Seems like it might be better to move this to setup_asic_task for
consistency.

Alex

>
>         vega10_set_features_platform_caps(hwmgr);
>
> @@ -928,6 +929,9 @@ static int vega10_setup_asic_task(struct pp_hwmgr *hwmgr)
>                         "Failed to set up led dpm config!",
>                         return -EINVAL);
>
> +       smum_send_msg_to_smc_with_parameter(hwmgr,
> +                       PPSMC_MSG_NumOfDisplays, 0);
> +
>         return 0;
>  }
>
> @@ -2853,16 +2857,8 @@ static int vega10_start_dpm(struct pp_hwmgr *hwmgr, 
> uint32_t bitmap)
>
>  static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
>  {
> -       struct vega10_hwmgr *data =
> -                       (struct vega10_hwmgr *)(hwmgr->backend);
>         int tmp_result, result = 0;
>
> -       smum_send_msg_to_smc_with_parameter(hwmgr,
> -               PPSMC_MSG_ConfigureTelemetry, data->config_telemetry);
> -
> -       smum_send_msg_to_smc_with_parameter(hwmgr,
> -                       PPSMC_MSG_NumOfDisplays, 0);
> -
>         tmp_result = (!smum_is_dpm_running(hwmgr)) ? 0 : -1;
>         PP_ASSERT_WITH_CODE(!tmp_result,
>                         "DPM is already running right , skipping 
> re-enablement!",
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h 
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h
> index ab3e879..df7999d 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.h
> @@ -380,7 +380,6 @@ struct vega10_hwmgr {
>         struct smu_features            smu_features[GNLD_FEATURES_MAX];
>         struct vega10_smc_state_table  smc_state_table;
>
> -       uint32_t                       config_telemetry;
>         uint32_t                       acg_loop_state;
>         uint32_t                       mem_channels;
>         uint8_t                       custom_profile_mode[4];
> --
> 1.9.1
>
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