diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 578878d1d4c0..b00e81db522d 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -6936,6 +6936,48 @@ static int ci_dpm_switch_power_profile(struct amdgpu_device *adev, return 0; } +static int ci_dpm_read_sensor(struct amdgpu_device *adev, int idx, + void *value, int *size) +{ + u32 activity_percent = 50; + int ret; + + /* size must be at least 4 bytes for all sensors */ + if (*size < 4) + return -EINVAL; + + switch (idx) { + case AMDGPU_PP_SENSOR_GFX_SCLK: + *((uint32_t *)value) = ci_get_average_sclk_freq(adev); + *size = 4; + return 0; + case AMDGPU_PP_SENSOR_GFX_MCLK: + *((uint32_t *)value) = ci_get_average_mclk_freq(adev); + *size = 4; + return 0; + case AMDGPU_PP_SENSOR_GPU_TEMP: + *((uint32_t *)value) = ci_dpm_get_temp(adev); + *size = 4; + return 0; + case AMDGPU_PP_SENSOR_GPU_LOAD: + ret = ci_read_smc_soft_register(adev, + offsetof(SMU7_SoftRegisters, + AverageGraphicsA), + &activity_percent); + if (ret == 0) { + activity_percent += 0x80; + activity_percent >>= 8; + activity_percent = + activity_percent > 100 ? 100 : activity_percent; + } + *((uint32_t *)value) = activity_percent; + *size = 4; + return 0; + default: + return -EINVAL; + } +} + const struct amd_ip_funcs ci_dpm_ip_funcs = { .name = "ci_dpm", .early_init = ci_dpm_early_init, @@ -6982,6 +7024,7 @@ static const struct amdgpu_dpm_funcs ci_dpm_funcs = { .set_power_profile_state = ci_dpm_set_power_profile_state, .reset_power_profile_state = ci_dpm_reset_power_profile_state, .switch_power_profile = ci_dpm_switch_power_profile, + .read_sensor = ci_dpm_read_sensor, }; static void ci_dpm_set_dpm_funcs(struct amdgpu_device *adev) |