From 8dcca48dd79c24e8c92a42282025116ca5205299 Mon Sep 17 00:00:00 2001 From: Xiaomeng Hou Date: Wed, 4 Dec 2019 13:35:18 +0800 Subject: [PATCH 4728/4736] drm/amd/powerplay: implement interface to retrieve gpu temperature for renoir add sensor interface of get gpu temperature for debugfs. Change-Id: I2499b6652fad6d5d776b6ed4cd5157636583ed39 Signed-off-by: Xiaomeng Hou Reviewed-by: Huang Rui --- drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index c982f69065ae..be3c996728b1 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -412,6 +412,24 @@ static int renoir_unforce_dpm_levels(struct smu_context *smu) { return ret; } +static int renoir_get_gpu_temperature(struct smu_context *smu, uint32_t *value) +{ + int ret = 0; + SmuMetrics_t metrics; + + if (!value) + return -EINVAL; + + ret = renoir_get_metrics_table(smu, &metrics); + if (ret) + return ret; + + *value = (metrics.GfxTemperature / 100) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + + return 0; +} + static int renoir_get_current_activity_percent(struct smu_context *smu, enum amd_pp_sensors sensor, uint32_t *value) @@ -767,6 +785,10 @@ static int renoir_read_sensor(struct smu_context *smu, ret = renoir_get_current_activity_percent(smu, sensor, (uint32_t *)data); *size = 4; break; + case AMDGPU_PP_SENSOR_GPU_TEMP: + ret = renoir_get_gpu_temperature(smu, (uint32_t *)data); + *size = 4; + break; default: ret = smu_v12_0_read_sensor(smu, sensor, data, size); } -- 2.17.1