[AMD Official Use Only - AMD Internal Distribution Only] Reviewed-by: Asad Kamal <[email protected]>
Thanks & Regards Asad -----Original Message----- From: Lazar, Lijo <[email protected]> Sent: Tuesday, July 15, 2025 8:53 AM To: [email protected] Cc: Zhang, Hawking <[email protected]>; Deucher, Alexander <[email protected]>; Kamal, Asad <[email protected]> Subject: [PATCH] drm/amd/pm: Get max/min frequency on aldebaran VF PMFW interface to get max/min frequencies is not available on aldebaran VFs. Use data, if available, in DPM tables to get the max/min frequencies. Signed-off-by: Lijo Lazar <[email protected]> --- .../drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 57 ++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index 9a61cf904275..b067147b7c41 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -342,6 +342,61 @@ static int aldebaran_get_allowed_feature_mask(struct smu_context *smu, return 0; } +static int aldebaran_get_dpm_ultimate_freq(struct smu_context *smu, + enum smu_clk_type clk_type, + uint32_t *min, uint32_t *max) +{ + struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context; + struct smu_13_0_dpm_table *dpm_table; + uint32_t min_clk, max_clk; + + if (amdgpu_sriov_vf(smu->adev)) { + switch (clk_type) { + case SMU_MCLK: + case SMU_UCLK: + dpm_table = &dpm_context->dpm_tables.uclk_table; + break; + case SMU_GFXCLK: + case SMU_SCLK: + dpm_table = &dpm_context->dpm_tables.gfx_table; + break; + case SMU_SOCCLK: + dpm_table = &dpm_context->dpm_tables.soc_table; + break; + case SMU_FCLK: + dpm_table = &dpm_context->dpm_tables.fclk_table; + break; + case SMU_VCLK: + dpm_table = &dpm_context->dpm_tables.vclk_table; + break; + case SMU_DCLK: + dpm_table = &dpm_context->dpm_tables.dclk_table; + break; + default: + return -EINVAL; + } + + min_clk = dpm_table->min; + max_clk = dpm_table->max; + + if (min) { + if (!min_clk) + return -ENODATA; + *min = min_clk; + } + if (max) { + if (!max_clk) + return -ENODATA; + *max = max_clk; + } + + } else { + return smu_v13_0_get_dpm_ultimate_freq(smu, clk_type, min, max); + } + + return 0; +} + static int aldebaran_set_default_dpm_table(struct smu_context *smu) { struct smu_13_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context; @@ -2081,7 +2136,7 @@ static const struct pptable_funcs aldebaran_ppt_funcs = { .set_azalia_d3_pme = smu_v13_0_set_azalia_d3_pme, .get_max_sustainable_clocks_by_dc = smu_v13_0_get_max_sustainable_clocks_by_dc, .get_bamaco_support = aldebaran_get_bamaco_support, - .get_dpm_ultimate_freq = smu_v13_0_get_dpm_ultimate_freq, + .get_dpm_ultimate_freq = aldebaran_get_dpm_ultimate_freq, .set_soft_freq_limited_range = aldebaran_set_soft_freq_limited_range, .od_edit_dpm_table = aldebaran_usr_edit_dpm_table, .set_df_cstate = aldebaran_set_df_cstate, -- 2.49.0
