diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si_dpm.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c index c5dec210d529..eb84c2a6d951 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c @@ -7982,6 +7982,46 @@ static int si_check_state_equal(struct amdgpu_device *adev, return 0; } +static int si_dpm_read_sensor(struct amdgpu_device *adev, int idx, + void *value, int *size) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(adev); + struct amdgpu_ps *rps = &eg_pi->current_rps; + struct si_ps *ps = si_get_ps(rps); + uint32_t sclk, mclk; + u32 pl_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >> + CURRENT_STATE_INDEX_SHIFT; + + /* size must be at least 4 bytes for all sensors */ + if (*size < 4) + return -EINVAL; + + switch (idx) { + case AMDGPU_PP_SENSOR_GFX_SCLK: + if (pl_index < ps->performance_level_count) { + sclk = ps->performance_levels[pl_index].sclk; + *((uint32_t *)value) = sclk; + *size = 4; + return 0; + } + return -EINVAL; + case AMDGPU_PP_SENSOR_GFX_MCLK: + if (pl_index < ps->performance_level_count) { + mclk = ps->performance_levels[pl_index].mclk; + *((uint32_t *)value) = mclk; + *size = 4; + return 0; + } + return -EINVAL; + case AMDGPU_PP_SENSOR_GPU_TEMP: + *((uint32_t *)value) = si_dpm_get_temp(adev); + *size = 4; + return 0; + default: + return -EINVAL; + } +} const struct amd_ip_funcs si_dpm_ip_funcs = { .name = "si_dpm", @@ -8018,6 +8058,7 @@ static const struct amdgpu_dpm_funcs si_dpm_funcs = { .get_fan_speed_percent = &si_dpm_get_fan_speed_percent, .check_state_equal = &si_check_state_equal, .get_vce_clock_state = amdgpu_get_vce_clock_state, + .read_sensor = &si_dpm_read_sensor, }; static void si_dpm_set_dpm_funcs(struct amdgpu_device *adev) |