From 2c272452affed210f0abb60d6f908f1d7b453eed Mon Sep 17 00:00:00 2001 From: Kevin Wang Date: Wed, 16 Jan 2019 13:27:52 +0800 Subject: drm/amd/powerplay: implement sensor of get_gpu_power for smu11 add sensor interface of get gpu power for debugfs and hwmon. Signed-off-by: Kevin Wang Reviewed-by: Huang Rui Reviewed-by: Evan Quan Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index d84593abbb5e..e27ae9c63ff8 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1032,6 +1032,23 @@ static int smu_v11_0_thermal_get_temperature(struct smu_context *smu, uint32_t * return 0; } +static int smu_v11_0_get_gpu_power(struct smu_context *smu, uint32_t *value) +{ + int ret = 0; + SmuMetrics_t metrics; + + if (!value) + return -EINVAL; + + ret = smu_update_table(smu, TABLE_SMU_METRICS, (void *)&metrics, false); + if (ret) + return ret; + + *value = metrics.CurrSocketPower << 8; + + return 0; +} + static int smu_v11_0_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size) @@ -1055,6 +1072,10 @@ static int smu_v11_0_read_sensor(struct smu_context *smu, ret = smu_v11_0_thermal_get_temperature(smu, (uint32_t *)data); *size = 4; break; + case AMDGPU_PP_SENSOR_GPU_POWER: + ret = smu_v11_0_get_gpu_power(smu, (uint32_t *)data); + *size = 4; + break; default: ret = -EINVAL; break; -- cgit v1.2.3