[PATCH 2/3] drm/amdgpu/pm: add new fields for Navi1x

[Lijo Lazar]

Add a check of non-zero offsets so that it doesn't show a static voltage 
of 1.55v all the time. With that addressed the patch is

Reviewed-by: Lijo Lazar <lijo.lazar at amd.com>

On 5/19/2021 11:32 AM, David M Nieto wrote:
> Fill voltage fields in metrics table
> 
> Signed-off-by: David M Nieto <david.nieto at amd.com>
> ---
>   .../gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c   | 58 +++++++++++++------
>   1 file changed, 41 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
> index ac13042672ea..b8971303a873 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
> @@ -505,7 +505,7 @@ static int navi10_tables_init(struct smu_context *smu)
>   		goto err0_out;
>   	smu_table->metrics_time = 0;
>   
> -	smu_table->gpu_metrics_table_size = sizeof(struct gpu_metrics_v1_1);
> +	smu_table->gpu_metrics_table_size = sizeof(struct gpu_metrics_v1_3);
>   	smu_table->gpu_metrics_table = kzalloc(smu_table->gpu_metrics_table_size, GFP_KERNEL);
>   	if (!smu_table->gpu_metrics_table)
>   		goto err1_out;
> @@ -2627,8 +2627,8 @@ static ssize_t navi10_get_legacy_gpu_metrics(struct smu_context *smu,
>   					     void **table)
>   {
>   	struct smu_table_context *smu_table = &smu->smu_table;
> -	struct gpu_metrics_v1_1 *gpu_metrics =
> -		(struct gpu_metrics_v1_1 *)smu_table->gpu_metrics_table;
> +	struct gpu_metrics_v1_3 *gpu_metrics =
> +		(struct gpu_metrics_v1_3 *)smu_table->gpu_metrics_table;
>   	SmuMetrics_legacy_t metrics;
>   	int ret = 0;
>   
> @@ -2646,7 +2646,7 @@ static ssize_t navi10_get_legacy_gpu_metrics(struct smu_context *smu,
>   
>   	mutex_unlock(&smu->metrics_lock);
>   
> -	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 1);
> +	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 3);
>   
>   	gpu_metrics->temperature_edge = metrics.TemperatureEdge;
>   	gpu_metrics->temperature_hotspot = metrics.TemperatureHotspot;
> @@ -2681,17 +2681,23 @@ static ssize_t navi10_get_legacy_gpu_metrics(struct smu_context *smu,
>   
>   	gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
>   
> +	gpu_metrics->voltage_gfx = (155000 - 625 * metrics.CurrGfxVoltageOffset) / 100;
> +	gpu_metrics->voltage_mem = (155000 - 625 * metrics.CurrMemVidOffset) / 100;
> +	gpu_metrics->voltage_soc = (155000 - 625 * metrics.CurrSocVoltageOffset) / 100;
> +
>   	*table = (void *)gpu_metrics;
>   
> -	return sizeof(struct gpu_metrics_v1_1);
> +	return sizeof(struct gpu_metrics_v1_3);
> +out:
> +	return ret;
>   }
>   
>   static ssize_t navi10_get_gpu_metrics(struct smu_context *smu,
>   				      void **table)
>   {
>   	struct smu_table_context *smu_table = &smu->smu_table;
> -	struct gpu_metrics_v1_1 *gpu_metrics =
> -		(struct gpu_metrics_v1_1 *)smu_table->gpu_metrics_table;
> +	struct gpu_metrics_v1_3 *gpu_metrics =
> +		(struct gpu_metrics_v1_3 *)smu_table->gpu_metrics_table;
>   	SmuMetrics_t metrics;
>   	int ret = 0;
>   
> @@ -2709,7 +2715,7 @@ static ssize_t navi10_get_gpu_metrics(struct smu_context *smu,
>   
>   	mutex_unlock(&smu->metrics_lock);
>   
> -	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 1);
> +	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 3);
>   
>   	gpu_metrics->temperature_edge = metrics.TemperatureEdge;
>   	gpu_metrics->temperature_hotspot = metrics.TemperatureHotspot;
> @@ -2746,17 +2752,23 @@ static ssize_t navi10_get_gpu_metrics(struct smu_context *smu,
>   
>   	gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
>   
> +	gpu_metrics->voltage_gfx = (155000 - 625 * metrics.CurrGfxVoltageOffset) / 100;
> +	gpu_metrics->voltage_mem = (155000 - 625 * metrics.CurrMemVidOffset) / 100;
> +	gpu_metrics->voltage_soc = (155000 - 625 * metrics.CurrSocVoltageOffset) / 100;
> +
>   	*table = (void *)gpu_metrics;
>   
> -	return sizeof(struct gpu_metrics_v1_1);
> +	return sizeof(struct gpu_metrics_v1_3);
> +out:
> +	return ret;
>   }
>   
>   static ssize_t navi12_get_legacy_gpu_metrics(struct smu_context *smu,
>   					     void **table)
>   {
>   	struct smu_table_context *smu_table = &smu->smu_table;
> -	struct gpu_metrics_v1_1 *gpu_metrics =
> -		(struct gpu_metrics_v1_1 *)smu_table->gpu_metrics_table;
> +	struct gpu_metrics_v1_3 *gpu_metrics =
> +		(struct gpu_metrics_v1_3 *)smu_table->gpu_metrics_table;
>   	SmuMetrics_NV12_legacy_t metrics;
>   	int ret = 0;
>   
> @@ -2774,7 +2786,7 @@ static ssize_t navi12_get_legacy_gpu_metrics(struct smu_context *smu,
>   
>   	mutex_unlock(&smu->metrics_lock);
>   
> -	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 1);
> +	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 3);
>   
>   	gpu_metrics->temperature_edge = metrics.TemperatureEdge;
>   	gpu_metrics->temperature_hotspot = metrics.TemperatureHotspot;
> @@ -2814,17 +2826,23 @@ static ssize_t navi12_get_legacy_gpu_metrics(struct smu_context *smu,
>   
>   	gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
>   
> +	gpu_metrics->voltage_gfx = (155000 - 625 * metrics.CurrGfxVoltageOffset) / 100;
> +	gpu_metrics->voltage_mem = (155000 - 625 * metrics.CurrMemVidOffset) / 100;
> +	gpu_metrics->voltage_soc = (155000 - 625 * metrics.CurrSocVoltageOffset) / 100;
> +
>   	*table = (void *)gpu_metrics;
>   
> -	return sizeof(struct gpu_metrics_v1_1);
> +	return sizeof(struct gpu_metrics_v1_3);
> +out:
> +	return ret;
>   }
>   
>   static ssize_t navi12_get_gpu_metrics(struct smu_context *smu,
>   				      void **table)
>   {
>   	struct smu_table_context *smu_table = &smu->smu_table;
> -	struct gpu_metrics_v1_1 *gpu_metrics =
> -		(struct gpu_metrics_v1_1 *)smu_table->gpu_metrics_table;
> +	struct gpu_metrics_v1_3 *gpu_metrics =
> +		(struct gpu_metrics_v1_3 *)smu_table->gpu_metrics_table;
>   	SmuMetrics_NV12_t metrics;
>   	int ret = 0;
>   
> @@ -2842,7 +2860,7 @@ static ssize_t navi12_get_gpu_metrics(struct smu_context *smu,
>   
>   	mutex_unlock(&smu->metrics_lock);
>   
> -	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 1);
> +	smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 3);
>   
>   	gpu_metrics->temperature_edge = metrics.TemperatureEdge;
>   	gpu_metrics->temperature_hotspot = metrics.TemperatureHotspot;
> @@ -2884,9 +2902,15 @@ static ssize_t navi12_get_gpu_metrics(struct smu_context *smu,
>   
>   	gpu_metrics->system_clock_counter = ktime_get_boottime_ns();
>   
> +	gpu_metrics->voltage_gfx = (155000 - 625 * metrics.CurrGfxVoltageOffset) / 100;
> +	gpu_metrics->voltage_mem = (155000 - 625 * metrics.CurrMemVidOffset) / 100;
> +	gpu_metrics->voltage_soc = (155000 - 625 * metrics.CurrSocVoltageOffset) / 100;
> +
>   	*table = (void *)gpu_metrics;
>   
> -	return sizeof(struct gpu_metrics_v1_1);
> +	return sizeof(struct gpu_metrics_v1_3);
> +out:
> +	return ret;
>   }
>   
>   static ssize_t navi1x_get_gpu_metrics(struct smu_context *smu,
> 

-- 
Thanks,
Lijo