drm/amd/powerplay: add fan rpm limit interface for hwmon

Add fan1_min and fan2_max function for hwmon.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 48174df19105ed6b031c8aafbb6108502834b1ff..8d2531845fd81a5d30b39820b0fd7365e018a2aa 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1092,6 +1092,8 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
                                 enum amd_pp_sensors sensor,
                                 void *data, uint32_t *size)
 {
+       struct smu_table_context *table_context = &smu->smu_table;
+       PPTable_t *pptable = table_context->driver_pptable;
        int ret = 0;
        switch (sensor) {
        case AMDGPU_PP_SENSOR_GPU_LOAD:
@@ -1127,6 +1129,14 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
                *(uint32_t *)data = smu_feature_is_enabled(smu, FEATURE_DPM_VCE_BIT) ? 1 : 0;
                *size = 4;
                break;
+       case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
+               *(uint32_t *)data = 0;
+               *size = 4;
+               break;
+       case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
+               *(uint32_t *)data = pptable->FanMaximumRpm;
+               *size = 4;
+               break;
        default:
                ret = smu_common_read_sensor(smu, sensor, data, size);
                break;