drm/amd/pm: drop unneeded smu->sensor_lock
authorEvan Quan <evan.quan@amd.com>
Mon, 29 Nov 2021 05:51:34 +0000 (13:51 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 25 Jan 2022 23:00:32 +0000 (18:00 -0500)
As all those related APIs are already well protected by
adev->pm.mutex and smu->message_lock.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c

index f10a066..57f3d26 100644 (file)
@@ -955,7 +955,6 @@ static int smu_sw_init(void *handle)
        bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
        bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
 
-       mutex_init(&smu->sensor_lock);
        mutex_init(&smu->message_lock);
 
        INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn);
index 63ed807..2cef7ff 100644 (file)
@@ -486,7 +486,6 @@ struct smu_context
        const struct cmn2asic_mapping   *table_map;
        const struct cmn2asic_mapping   *pwr_src_map;
        const struct cmn2asic_mapping   *workload_map;
-       struct mutex                    sensor_lock;
        struct mutex                    message_lock;
        uint64_t pool_size;
 
index 5a8b2d5..2c78d04 100644 (file)
@@ -1113,7 +1113,6 @@ static int arcturus_read_sensor(struct smu_context *smu,
        if (!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
                *(uint32_t *)data = pptable->FanMaximumRpm;
@@ -1174,7 +1173,6 @@ static int arcturus_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }
index 7ae6b1b..2acd747 100644 (file)
@@ -209,8 +209,6 @@ static int cyan_skillfish_read_sensor(struct smu_context *smu,
        if (!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
-
        switch (sensor) {
        case AMDGPU_PP_SENSOR_GFX_SCLK:
                ret = cyan_skillfish_get_smu_metrics_data(smu,
@@ -261,8 +259,6 @@ static int cyan_skillfish_read_sensor(struct smu_context *smu,
                break;
        }
 
-       mutex_unlock(&smu->sensor_lock);
-
        return ret;
 }
 
index 68ead70..84834c2 100644 (file)
@@ -1964,7 +1964,6 @@ static int navi10_read_sensor(struct smu_context *smu,
        if(!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
                *(uint32_t *)data = pptable->FanMaximumRpm;
@@ -2024,7 +2023,6 @@ static int navi10_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }
index 7357999..651fe74 100644 (file)
@@ -1619,7 +1619,6 @@ static int sienna_cichlid_read_sensor(struct smu_context *smu,
        if(!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
                GET_PPTABLE_MEMBER(FanMaximumRpm, &temp);
@@ -1680,7 +1679,6 @@ static int sienna_cichlid_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }
index c736adc..7210279 100644 (file)
@@ -1494,7 +1494,6 @@ static int vangogh_read_sensor(struct smu_context *smu,
        if (!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_GPU_LOAD:
                ret = vangogh_common_get_smu_metrics_data(smu,
@@ -1556,7 +1555,6 @@ static int vangogh_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }
index d755080..e99e7b2 100644 (file)
@@ -1209,7 +1209,6 @@ static int renoir_read_sensor(struct smu_context *smu,
        if (!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_GPU_LOAD:
                ret = renoir_get_smu_metrics_data(smu,
@@ -1277,7 +1276,6 @@ static int renoir_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }
index 05b7d8e..8c02adb 100644 (file)
@@ -1141,7 +1141,6 @@ static int aldebaran_read_sensor(struct smu_context *smu,
        if (!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_MEM_LOAD:
        case AMDGPU_PP_SENSOR_GPU_LOAD:
@@ -1180,7 +1179,6 @@ static int aldebaran_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }
index 451d30d..bd24a26 100644 (file)
@@ -395,7 +395,6 @@ static int yellow_carp_read_sensor(struct smu_context *smu,
        if (!data || !size)
                return -EINVAL;
 
-       mutex_lock(&smu->sensor_lock);
        switch (sensor) {
        case AMDGPU_PP_SENSOR_GPU_LOAD:
                ret = yellow_carp_get_smu_metrics_data(smu,
@@ -463,7 +462,6 @@ static int yellow_carp_read_sensor(struct smu_context *smu,
                ret = -EOPNOTSUPP;
                break;
        }
-       mutex_unlock(&smu->sensor_lock);
 
        return ret;
 }