diff options
| author | Asad Kamal <asad.kamal@amd.com> | 2025-12-26 00:30:41 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-23 14:18:46 -0400 |
| commit | bc296e6c9564b952d9f2ecae5de6c8c7d38c3a25 (patch) | |
| tree | d4a3efee77992c2ce30fed5adc924ab6db55b839 | |
| parent | 422b399b09c7b4fd60b01a5635fbb73e8d9a1154 (diff) | |
drm/amd/pm: Add get_thermal_temperature_range support
Add get_thermal_temperature_range support smu_v15_0_8
v2: Remove sriov check (Lijo)
v3: Restrict to 1VF mode(Lijo)
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c index 6283e6b404f0..904779f67b06 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c @@ -1683,6 +1683,38 @@ static int smu_v15_0_8_od_edit_dpm_table(struct smu_context *smu, return 0; } +static int smu_v15_0_8_get_thermal_temperature_range(struct smu_context *smu, + struct smu_temperature_range *range) +{ + struct smu_table_context *smu_table = &smu->smu_table; + PPTable_t *pptable = (PPTable_t *)smu_table->driver_pptable; + uint32_t max_ctf, max_thm; + + if (amdgpu_sriov_multi_vf_mode(smu->adev)) + return 0; + + if (!range) + return -EINVAL; + + /* CTF (Critical Temperature Fault) limits */ + max_ctf = max3(pptable->CTFLimitMID, pptable->CTFLimitXCD, + pptable->CTFLimitAID); + range->hotspot_emergency_max = max_ctf * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + + range->mem_emergency_max = pptable->CTFLimitHBM * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + + /* Thermal throttling limits */ + max_thm = max3(pptable->ThermalLimitMID, pptable->ThermalLimitXCD, + pptable->ThermalLimitAID); + range->hotspot_crit_max = max_thm * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + + range->mem_crit_max = pptable->ThermalLimitHBM * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + + return 0; +} + static const struct pptable_funcs smu_v15_0_8_ppt_funcs = { .init_allowed_features = smu_v15_0_8_init_allowed_features, .set_default_dpm_table = smu_v15_0_8_set_default_dpm_table, @@ -1714,6 +1746,7 @@ static const struct pptable_funcs smu_v15_0_8_ppt_funcs = { .populate_umd_state_clk = smu_v15_0_8_populate_umd_state_clk, .set_performance_level = smu_v15_0_8_set_performance_level, .od_edit_dpm_table = smu_v15_0_8_od_edit_dpm_table, + .get_thermal_temperature_range = smu_v15_0_8_get_thermal_temperature_range, }; static void smu_v15_0_8_init_msg_ctl(struct smu_context *smu, |