From 637c1c6644a907a89965fd04d7308fb2e61b6d0c Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Fri, 25 Jan 2019 18:29:31 +0800 Subject: [PATCH] drm/amd/powerplay: add fan rpm limit interface for hwmon Add fan1_min and fan2_max function for hwmon. Signed-off-by: Likun Gao Reviewed-by: Kevin Wang Reviewed-by: Huang Rui Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 48174df19105..8d2531845fd8 100644 --- 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; -- 2.30.2