[PATCH 2/2] drm/amd/pp: Add stable Pstate clk display when print_clock_levels

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[+Kent]

What does stable pstate mean? What is it used for?

Hi Kent,

Is this going to confuse rocm_smi?

Regards,
  Felix


On 2018-01-08 04:57 AM, Rex Zhu wrote:
> The additional output are at the end of sclk/mclk info as
> cat pp_dpm_mclk
> 0: 300Mhz *
> 1: 1650Mhz
> P: 300Mhz
>
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
>
> Change-Id: Idf8eeedb5d399d9ffb7de7a2fb2976c7fa7c01a8
> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c     | 2 ++
>  drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c     | 2 ++
>  drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c   | 2 ++
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 2 ++
>  4 files changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> index f68dd08..03dfba0 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> @@ -1601,6 +1601,7 @@ static int cz_print_clock_levels(struct pp_hwmgr *hwmgr,
>  			size += sprintf(buf + size, "%d: %uMhz %s\n",
>  					i, sclk_table->entries[i].clk / 100,
>  					(i == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_sclk/100);
>  		break;
>  	case PP_MCLK:
>  		now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device,
> @@ -1613,6 +1614,7 @@ static int cz_print_clock_levels(struct pp_hwmgr *hwmgr,
>  			size += sprintf(buf + size, "%d: %uMhz %s\n",
>  					CZ_NUM_NBPMEMORYCLOCK-i, data->sys_info.nbp_memory_clock[i-1] / 100,
>  					(CZ_NUM_NBPMEMORYCLOCK-i == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_mclk/100);
>  		break;
>  	default:
>  		break;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
> index 409a56b..88c6ad8 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
> @@ -756,6 +756,7 @@ static int rv_print_clock_levels(struct pp_hwmgr *hwmgr,
>  				data->gfx_max_freq_limit / 100,
>  				((data->gfx_max_freq_limit / 100)
>  				 == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_sclk/100);
>  		break;
>  	case PP_MCLK:
>  		PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
> @@ -773,6 +774,7 @@ static int rv_print_clock_levels(struct pp_hwmgr *hwmgr,
>  					mclk_table->entries[i].clk / 100,
>  					((mclk_table->entries[i].clk / 100)
>  					 == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_mclk/100);
>  		break;
>  	default:
>  		break;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> index 72031bd..1bdcd86 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> @@ -4372,6 +4372,7 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
>  			size += sprintf(buf + size, "%d: %uMhz %s\n",
>  					i, sclk_table->dpm_levels[i].value / 100,
>  					(i == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_sclk/100);
>  		break;
>  	case PP_MCLK:
>  		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetMclkFrequency);
> @@ -4388,6 +4389,7 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
>  			size += sprintf(buf + size, "%d: %uMhz %s\n",
>  					i, mclk_table->dpm_levels[i].value / 100,
>  					(i == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_mclk/100);
>  		break;
>  	case PP_PCIE:
>  		pcie_speed = smu7_get_current_pcie_speed(hwmgr);
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index cb35f4f..cab50fc 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -4565,6 +4565,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
>  			size += sprintf(buf + size, "%d: %uMhz %s\n",
>  					i, sclk_table->dpm_levels[i].value / 100,
>  					(i == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_sclk/100);
>  		break;
>  	case PP_MCLK:
>  		if (data->registry_data.mclk_dpm_key_disabled)
> @@ -4583,6 +4584,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
>  			size += sprintf(buf + size, "%d: %uMhz %s\n",
>  					i, mclk_table->dpm_levels[i].value / 100,
>  					(i == now) ? "*" : "");
> +		size += sprintf(buf + size, "P: %uMhz\n", hwmgr->pstate_mclk/100);
>  		break;
>  	case PP_PCIE:
>  		PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,



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