diff options
| author | Kun Liu <Kun.Liu2@amd.com> | 2023-02-21 16:31:18 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-02-23 17:36:00 -0500 |
| commit | c3ed0e72c872901659ed0fef4b91eb6ab7dc6aad (patch) | |
| tree | 2a926d04a792051d5546285199e2b0849c977d3d /drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | |
| parent | 4f101d5710a84f334b05a96713000ce8dfd4d598 (diff) | |
drm/amdgpu: added a sysfs interface for thermal throttling
added a sysfs interface for thermal throttling, then userspace
can get/update thermal limit
Signed-off-by: Kun Liu <Kun.Liu2@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 0652b001ad54..972e5902d5b9 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -2532,6 +2532,28 @@ unlock: return ret; } +static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit) +{ + int ret = -EINVAL; + struct smu_context *smu = handle; + + if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit) + ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit); + + return ret; +} + +static int smu_set_apu_thermal_limit(void *handle, uint32_t limit) +{ + int ret = -EINVAL; + struct smu_context *smu = handle; + + if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit) + ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit); + + return ret; +} + static int smu_get_power_profile_mode(void *handle, char *buf) { struct smu_context *smu = handle; @@ -3033,6 +3055,8 @@ static const struct amd_pm_funcs swsmu_pm_funcs = { .emit_clock_levels = smu_emit_ppclk_levels, .force_performance_level = smu_force_performance_level, .read_sensor = smu_read_sensor, + .get_apu_thermal_limit = smu_get_apu_thermal_limit, + .set_apu_thermal_limit = smu_set_apu_thermal_limit, .get_performance_level = smu_get_performance_level, .get_current_power_state = smu_get_current_power_state, .get_fan_speed_rpm = smu_get_fan_speed_rpm, |