diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2829-drm-amd-powerplay-add-temperature-sensor-support-for.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2829-drm-amd-powerplay-add-temperature-sensor-support-for.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2829-drm-amd-powerplay-add-temperature-sensor-support-for.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2829-drm-amd-powerplay-add-temperature-sensor-support-for.patch new file mode 100644 index 00000000..5fb0cad7 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2829-drm-amd-powerplay-add-temperature-sensor-support-for.patch @@ -0,0 +1,80 @@ +From d75d1074d81030fb1d0ba996d182e6e11c7d9894 Mon Sep 17 00:00:00 2001 +From: Kevin Wang <kevin1.wang@amd.com> +Date: Thu, 4 Jul 2019 10:56:18 +0800 +Subject: [PATCH 2829/2940] drm/amd/powerplay: add temperature sensor support + for navi10 + +the hwmon interface need temperature sensor type support. +1. SENSOR_HOTSPOT_TEMP +2. SENSOR_EDGE_TEMP(SENSOR_GPU_TEMP) +3. SENSOR_MEM_TEMP + +Change-Id: I9b518a7a2b6ab04dfeb5ce03c915edad2a7fdd6c +Signed-off-by: Kevin Wang <kevin1.wang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 41 ++++++++++++++++++++++ + 1 file changed, 41 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +index 7574a02350c6..9bb06591bed7 100644 +--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +@@ -1255,6 +1255,41 @@ static int navi10_set_watermarks_table(struct smu_context *smu, + return 0; + } + ++static int navi10_thermal_get_temperature(struct smu_context *smu, ++ enum amd_pp_sensors sensor, ++ uint32_t *value) ++{ ++ SmuMetrics_t metrics; ++ int ret = 0; ++ ++ if (!value) ++ return -EINVAL; ++ ++ ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, (void *)&metrics, false); ++ if (ret) ++ return ret; ++ ++ switch (sensor) { ++ case AMDGPU_PP_SENSOR_HOTSPOT_TEMP: ++ *value = metrics.TemperatureHotspot * ++ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; ++ break; ++ case AMDGPU_PP_SENSOR_EDGE_TEMP: ++ *value = metrics.TemperatureEdge * ++ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; ++ break; ++ case AMDGPU_PP_SENSOR_MEM_TEMP: ++ *value = metrics.TemperatureMem * ++ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; ++ break; ++ default: ++ pr_err("Invalid sensor for retrieving temp\n"); ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ + static int navi10_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, uint32_t *size) +@@ -1276,6 +1311,12 @@ static int navi10_read_sensor(struct smu_context *smu, + ret = navi10_get_gpu_power(smu, (uint32_t *)data); + *size = 4; + break; ++ case AMDGPU_PP_SENSOR_HOTSPOT_TEMP: ++ case AMDGPU_PP_SENSOR_EDGE_TEMP: ++ case AMDGPU_PP_SENSOR_MEM_TEMP: ++ ret = navi10_thermal_get_temperature(smu, sensor, (uint32_t *)data); ++ *size = 4; ++ break; + default: + return -EINVAL; + } +-- +2.17.1 + |