diff options
| author | Kevin Wang | 2019-01-15 05:37:35 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-19 21:03:58 +0100 |
| commit | 2f613c7068e5ff6ec8b2ed32826b466ed676c0a1 (patch) | |
| tree | d2dfb3fb41d3a058f9e3693222f80f9f2ee36e81 /drivers/gpu/drm/amd/powerplay/smu_v11_0.c | |
| parent | drm/amd/powerplay: implement sensor of SCLK and MCLK for smu11 (diff) | |
| download | kernel-qcow2-linux-2f613c7068e5ff6ec8b2ed32826b466ed676c0a1.tar.gz kernel-qcow2-linux-2f613c7068e5ff6ec8b2ed32826b466ed676c0a1.tar.xz kernel-qcow2-linux-2f613c7068e5ff6ec8b2ed32826b466ed676c0a1.zip | |
drm/amd/powerplay: implement sensor of thermal_get_temperature for smu11
add sensor interface of thermal temperature for debugfs and hwmon.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 659e911636bb..d84593abbb5e 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -45,6 +45,8 @@ MODULE_FIRMWARE("amdgpu/vega20_smc.bin"); #define SMU11_THERMAL_MINIMUM_ALERT_TEMP 0 #define SMU11_THERMAL_MAXIMUM_ALERT_TEMP 255 +#define SMU11_TEMPERATURE_UNITS_PER_CENTIGRADES 1000 + static int smu_v11_0_send_msg_without_waiting(struct smu_context *smu, uint16_t msg) { @@ -1010,6 +1012,26 @@ static int smu_v11_0_get_current_activity_percent(struct smu_context *smu, return 0; } +static int smu_v11_0_thermal_get_temperature(struct smu_context *smu, uint32_t *value) +{ + struct amdgpu_device *adev = smu->adev; + uint32_t temp = 0; + + if (!value) + return -EINVAL; + + temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS); + temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >> + CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT; + + temp = temp & 0x1ff; + temp *= SMU11_TEMPERATURE_UNITS_PER_CENTIGRADES; + + *value = temp; + + return 0; +} + static int smu_v11_0_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size) @@ -1029,6 +1051,10 @@ static int smu_v11_0_read_sensor(struct smu_context *smu, ret = smu_get_current_clk_freq(smu, PPCLK_GFXCLK, (uint32_t *)data); *size = 4; break; + case AMDGPU_PP_SENSOR_GPU_TEMP: + ret = smu_v11_0_thermal_get_temperature(smu, (uint32_t *)data); + *size = 4; + break; default: ret = -EINVAL; break; |