As all those related APIs are already well protected by adev->pm.mutex.
Signed-off-by: Evan Quan <evan.q...@amd.com>
Change-Id: Ia2c752ff22e8f23601484f48b66151cfda8c01b5
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 1 -
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 1 -
.../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 20 ++++++++-----------
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 19 ++----------------
4 files changed, 10 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 7cc3886ddee4..198c2ac7b04d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -948,7 +948,6 @@ static int smu_sw_init(void *handle)
smu->pool_size = adev->pm.smu_prv_buffer_size;
smu->smu_feature.feature_num = SMU_FEATURE_MAX;
- mutex_init(&smu->smu_feature.mutex);
bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 79b2a817491c..18f24db7d202 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -391,7 +391,6 @@ struct smu_feature
DECLARE_BITMAP(supported, SMU_FEATURE_MAX);
DECLARE_BITMAP(allowed, SMU_FEATURE_MAX);
DECLARE_BITMAP(enabled, SMU_FEATURE_MAX);
- struct mutex mutex;
};
struct smu_clocks {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index f66d8b9135ca..9b439066a08b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -722,25 +722,21 @@ int smu_v13_0_set_allowed_mask(struct smu_context *smu)
int ret = 0;
uint32_t feature_mask[2];
- mutex_lock(&feature->mutex);
- if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) ||
feature->feature_num < 64)
- goto failed;
+ if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) ||
+ feature->feature_num < 64)
+ return -EINVAL;
bitmap_copy((unsigned long *)feature_mask, feature->allowed, 64);
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetAllowedFeaturesMaskHigh,
feature_mask[1], NULL);
if (ret)
- goto failed;
-
- ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetAllowedFeaturesMaskLow,
- feature_mask[0], NULL);
- if (ret)
- goto failed;
+ return ret;
-failed:
- mutex_unlock(&feature->mutex);
- return ret;
+ return smu_cmn_send_smc_msg_with_param(smu,
+
SMU_MSG_SetAllowedFeaturesMaskLow,
+ feature_mask[0],
+ NULL);
}
int smu_v13_0_gfx_off_control(struct smu_context *smu, bool enable)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index d78e4f689a2a..fcead7c6ca7e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -481,7 +481,6 @@ int smu_cmn_feature_is_supported(struct smu_context *smu,
{
struct smu_feature *feature = &smu->smu_feature;
int feature_id;
- int ret = 0;
feature_id = smu_cmn_to_asic_specific_index(smu,
CMN2ASIC_MAPPING_FEATURE,
@@ -491,11 +490,7 @@ int smu_cmn_feature_is_supported(struct smu_context *smu,
WARN_ON(feature_id > feature->feature_num);
- mutex_lock(&feature->mutex);
- ret = test_bit(feature_id, feature->supported);
- mutex_unlock(&feature->mutex);
-
- return ret;
+ return test_bit(feature_id, feature->supported);
}
int smu_cmn_feature_is_enabled(struct smu_context *smu,
@@ -504,7 +499,6 @@ int smu_cmn_feature_is_enabled(struct smu_context *smu,
struct smu_feature *feature = &smu->smu_feature;
struct amdgpu_device *adev = smu->adev;
int feature_id;
- int ret = 0;
if (smu->is_apu && adev->family < AMDGPU_FAMILY_VGH)
return 1;
@@ -517,11 +511,7 @@ int smu_cmn_feature_is_enabled(struct smu_context *smu,
WARN_ON(feature_id > feature->feature_num);
- mutex_lock(&feature->mutex);
- ret = test_bit(feature_id, feature->enabled);
- mutex_unlock(&feature->mutex);
-
- return ret;
+ return test_bit(feature_id, feature->enabled);
}
bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu,
@@ -666,14 +656,12 @@ int smu_cmn_feature_update_enable_state(struct
smu_context *smu,
return ret;
}
- mutex_lock(&feature->mutex);
if (enabled)
bitmap_or(feature->enabled, feature->enabled,
(unsigned long *)(&feature_mask),
SMU_FEATURE_MAX);
else
bitmap_andnot(feature->enabled, feature->enabled,
(unsigned long *)(&feature_mask),
SMU_FEATURE_MAX);
- mutex_unlock(&feature->mutex);
return ret;
}
@@ -843,11 +831,8 @@ int smu_cmn_disable_all_features_with_exception(struct
smu_context *smu,
}
if (no_hw_disablement) {
- mutex_lock(&feature->mutex);
bitmap_andnot(feature->enabled, feature->enabled,
(unsigned long *)(&features_to_disable),
SMU_FEATURE_MAX);
- mutex_unlock(&feature->mutex);
-
return 0;
} else {
return smu_cmn_feature_update_enable_state(smu,
--
2.29.0
