diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2018-01-24 17:27:54 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:18:51 -0500 |
| commit | 71c9b9adad7ec9c119a4aa0de99543aee716e417 (patch) | |
| tree | 1fb6cb858a68a89a04b0b7938b0e9eb770a9b3dd /drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | |
| parent | 2976fc2622b1e77236bea9f88a68f6ac5d2fa6ab (diff) | |
| download | linux-71c9b9adad7ec9c119a4aa0de99543aee716e417.tar.bz2 | |
drm/amdgpu/pm: use read_sensor API to get temperature
Rather than using the amdgpu_dpm_get_temperature. Both
provide access to the temperature.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 17f9f3ad9bd1..659467aa9920 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -936,17 +936,23 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev, { struct amdgpu_device *adev = dev_get_drvdata(dev); struct drm_device *ddev = adev->ddev; - int temp; + int r, temp, size = sizeof(temp); /* Can't get temperature when the card is off */ if ((adev->flags & AMD_IS_PX) && (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - if (!adev->powerplay.pp_funcs->get_temperature) - temp = 0; - else - temp = amdgpu_dpm_get_temperature(adev); + /* sanity check PP is enabled */ + if (!(adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->read_sensor)) + return -EINVAL; + + /* get the temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, + (void *)&temp, &size); + if (r) + return r; return snprintf(buf, PAGE_SIZE, "%d\n", temp); } @@ -1306,13 +1312,15 @@ void amdgpu_dpm_thermal_work_handler(struct work_struct *work) pm.dpm.thermal.work); /* switch to the thermal state */ enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL; + int temp, size = sizeof(temp); if (!adev->pm.dpm_enabled) return; - if (adev->powerplay.pp_funcs->get_temperature) { - int temp = amdgpu_dpm_get_temperature(adev); - + if (adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->read_sensor && + !amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, + (void *)&temp, &size)) { if (temp < adev->pm.dpm.thermal.min_temp) /* switch back the user state */ dpm_state = adev->pm.dpm.user_state; |