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authorEvan Quan <evan.quan@amd.com>2021-11-29 13:15:57 +0800
committerAlex Deucher <alexander.deucher@amd.com>2022-01-25 18:00:32 -0500
commit974d5ef0dd9d251dd4571e30d5e79e7e4940d424 (patch)
tree97d83165f7c5cb9870d934c3dbd4a99016880eb8 /drivers/gpu/drm/amd
parente0638c7abc4d3d3c46e8f2fc07e02c3877c3c402 (diff)
drm/amd/pm: drop unneeded vcn/jpeg_gate_lock
As those related APIs are already protected by adev->pm.mutex. 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>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c63
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h2
2 files changed, 11 insertions, 54 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index eaaa5b033d46..8ac87733d211 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -158,8 +158,8 @@ static u32 smu_get_sclk(void *handle, bool low)
return clk_freq * 100;
}
-static int smu_dpm_set_vcn_enable_locked(struct smu_context *smu,
- bool enable)
+static int smu_dpm_set_vcn_enable(struct smu_context *smu,
+ bool enable)
{
struct smu_power_context *smu_power = &smu->smu_power;
struct smu_power_gate *power_gate = &smu_power->power_gate;
@@ -178,24 +178,8 @@ static int smu_dpm_set_vcn_enable_locked(struct smu_context *smu,
return ret;
}
-static int smu_dpm_set_vcn_enable(struct smu_context *smu,
- bool enable)
-{
- struct smu_power_context *smu_power = &smu->smu_power;
- struct smu_power_gate *power_gate = &smu_power->power_gate;
- int ret = 0;
-
- mutex_lock(&power_gate->vcn_gate_lock);
-
- ret = smu_dpm_set_vcn_enable_locked(smu, enable);
-
- mutex_unlock(&power_gate->vcn_gate_lock);
-
- return ret;
-}
-
-static int smu_dpm_set_jpeg_enable_locked(struct smu_context *smu,
- bool enable)
+static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
+ bool enable)
{
struct smu_power_context *smu_power = &smu->smu_power;
struct smu_power_gate *power_gate = &smu_power->power_gate;
@@ -214,22 +198,6 @@ static int smu_dpm_set_jpeg_enable_locked(struct smu_context *smu,
return ret;
}
-static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
- bool enable)
-{
- struct smu_power_context *smu_power = &smu->smu_power;
- struct smu_power_gate *power_gate = &smu_power->power_gate;
- int ret = 0;
-
- mutex_lock(&power_gate->jpeg_gate_lock);
-
- ret = smu_dpm_set_jpeg_enable_locked(smu, enable);
-
- mutex_unlock(&power_gate->jpeg_gate_lock);
-
- return ret;
-}
-
/**
* smu_dpm_set_power_gate - power gate/ungate the specific IP block
*
@@ -620,32 +588,25 @@ static int smu_set_default_dpm_table(struct smu_context *smu)
if (!smu->ppt_funcs->set_default_dpm_table)
return 0;
- mutex_lock(&power_gate->vcn_gate_lock);
- mutex_lock(&power_gate->jpeg_gate_lock);
-
vcn_gate = atomic_read(&power_gate->vcn_gated);
jpeg_gate = atomic_read(&power_gate->jpeg_gated);
- ret = smu_dpm_set_vcn_enable_locked(smu, true);
+ ret = smu_dpm_set_vcn_enable(smu, true);
if (ret)
- goto err0_out;
+ return ret;
- ret = smu_dpm_set_jpeg_enable_locked(smu, true);
+ ret = smu_dpm_set_jpeg_enable(smu, true);
if (ret)
- goto err1_out;
+ goto err_out;
ret = smu->ppt_funcs->set_default_dpm_table(smu);
if (ret)
dev_err(smu->adev->dev,
"Failed to setup default dpm clock tables!\n");
- smu_dpm_set_jpeg_enable_locked(smu, !jpeg_gate);
-err1_out:
- smu_dpm_set_vcn_enable_locked(smu, !vcn_gate);
-err0_out:
- mutex_unlock(&power_gate->jpeg_gate_lock);
- mutex_unlock(&power_gate->vcn_gate_lock);
-
+ smu_dpm_set_jpeg_enable(smu, !jpeg_gate);
+err_out:
+ smu_dpm_set_vcn_enable(smu, !vcn_gate);
return ret;
}
@@ -1007,8 +968,6 @@ static int smu_sw_init(void *handle)
atomic_set(&smu->smu_power.power_gate.vcn_gated, 1);
atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1);
- mutex_init(&smu->smu_power.power_gate.vcn_gate_lock);
- mutex_init(&smu->smu_power.power_gate.jpeg_gate_lock);
smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
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 00760f3c6da5..c3efe4fea5e0 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -376,8 +376,6 @@ struct smu_power_gate {
bool vce_gated;
atomic_t vcn_gated;
atomic_t jpeg_gated;
- struct mutex vcn_gate_lock;
- struct mutex jpeg_gate_lock;
};
struct smu_power_context {