Re: [PATCH] drm/amdgpu/pm: Fix the power1_min_cap value

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On Fri, Feb 23, 2024 at 4:20 AM Ma Jun <Jun.Ma2@xxxxxxx> wrote:
>
> It's unreasonable to use 0 as the power1_min_cap when
> OD is disabled. So, use the same lower limit as the value
> used when OD is enabled.
>
> Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx>

Fixes: 1958946858a6 ("drm/amd/pm: Support for getting power1_cap_min value")

Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c       | 9 ++++-----
>  drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c         | 9 ++++-----
>  drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 9 ++++-----
>  drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c    | 9 ++++-----
>  drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c    | 9 ++++-----
>  5 files changed, 20 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> index 4cd43bbec910..bcad42534da4 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
> @@ -1303,13 +1303,12 @@ static int arcturus_get_power_limit(struct smu_context *smu,
>         if (default_power_limit)
>                 *default_power_limit = power_limit;
>
> -       if (smu->od_enabled) {
> +       if (smu->od_enabled)
>                 od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
> -               od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
> -       } else {
> +       else
>                 od_percent_upper = 0;
> -               od_percent_lower = 100;
> -       }
> +
> +       od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
>
>         dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
>                                                         od_percent_upper, od_percent_lower, power_limit);
> 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 8d1d29ffb0f1..ed189a3878eb 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
> @@ -2357,13 +2357,12 @@ static int navi10_get_power_limit(struct smu_context *smu,
>                 *default_power_limit = power_limit;
>
>         if (smu->od_enabled &&
> -                   navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) {
> +                   navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT))
>                 od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
> -               od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
> -       } else {
> +       else
>                 od_percent_upper = 0;
> -               od_percent_lower = 100;
> -       }
> +
> +       od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]);
>
>         dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
>                                         od_percent_upper, od_percent_lower, power_limit);
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> index f2f401f00ed1..a405424dd699 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> @@ -640,13 +640,12 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu,
>         if (default_power_limit)
>                 *default_power_limit = power_limit;
>
> -       if (smu->od_enabled) {
> +       if (smu->od_enabled)
>                 od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
> -               od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
> -       } else {
> +       else
>                 od_percent_upper = 0;
> -               od_percent_lower = 100;
> -       }
> +
> +       od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]);
>
>         dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
>                                         od_percent_upper, od_percent_lower, power_limit);
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
> index 67f44f851f59..9649484f11c0 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
> @@ -2372,13 +2372,12 @@ static int smu_v13_0_0_get_power_limit(struct smu_context *smu,
>         if (default_power_limit)
>                 *default_power_limit = power_limit;
>
> -       if (smu->od_enabled) {
> +       if (smu->od_enabled)
>                 od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
> -               od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
> -       } else {
> +       else
>                 od_percent_upper = 0;
> -               od_percent_lower = 100;
> -       }
> +
> +       od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]);
>
>         dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
>                                         od_percent_upper, od_percent_lower, power_limit);
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
> index 49e77f8896c1..ac27734674db 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
> @@ -2336,13 +2336,12 @@ static int smu_v13_0_7_get_power_limit(struct smu_context *smu,
>         if (default_power_limit)
>                 *default_power_limit = power_limit;
>
> -       if (smu->od_enabled) {
> +       if (smu->od_enabled)
>                 od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
> -               od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
> -       } else {
> +       else
>                 od_percent_upper = 0;
> -               od_percent_lower = 100;
> -       }
> +
> +       od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
>
>         dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n",
>                                         od_percent_upper, od_percent_lower, power_limit);
> --
> 2.34.1
>




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