diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-07-12 12:10:48 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-07-16 16:14:37 -0400 |
| commit | 9ad73536f8758e53e266c81f6f0fcbb90b349b6b (patch) | |
| tree | 78598e0cb655886fff33862b3a9233f07f4ca7df /drivers/gpu/drm/amd/pm | |
| parent | ec8fbb44b51ef5cf82ef09043387879276e9ba6b (diff) | |
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 <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 57 |
1 files changed, 56 insertions, 1 deletions
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 6de653d2ed62..c63d2e28954d 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, |