As smu->pm_enabled is a prerequisite for adev->pm.dpm_enabled.
So, with adev->pm.dpm_enabled set, it can be guarded that
smu->pm_enabled is also set. Thus the extra check for
"!smu->pm_enabled" is totally unnecessary.

Signed-off-by: Evan Quan <evan.q...@amd.com>
Change-Id: I6ff67137d447e6a3d8cc627b397428fed22753f3
---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 84 +++++++++++------------
 1 file changed, 42 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c 
b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 1c3a5ccd100c..96a3388c2cb7 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -68,7 +68,7 @@ static int smu_sys_get_pp_feature_mask(void *handle,
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        return smu_get_pp_feature_mask(smu, buf);
@@ -79,7 +79,7 @@ static int smu_sys_set_pp_feature_mask(void *handle,
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        return smu_set_pp_feature_mask(smu, new_mask);
@@ -219,7 +219,7 @@ static int smu_dpm_set_power_gate(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) {
+       if (!smu->adev->pm.dpm_enabled) {
                dev_WARN(smu->adev->dev,
                         "SMU uninitialized but power %s requested for %u!\n",
                         gate ? "gate" : "ungate", block_type);
@@ -315,7 +315,7 @@ static void smu_restore_dpm_user_profile(struct smu_context 
*smu)
        if (!smu->adev->in_suspend)
                return;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return;
 
        /* Enable restore flag */
@@ -428,7 +428,7 @@ static int smu_sys_get_pp_table(void *handle,
        struct smu_context *smu = handle;
        struct smu_table_context *smu_table = &smu->smu_table;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
@@ -451,7 +451,7 @@ static int smu_sys_set_pp_table(void *handle,
        ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (header->usStructureSize != size) {
@@ -1564,7 +1564,7 @@ static int smu_display_configuration_change(void *handle,
        int index = 0;
        int num_of_active_display = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!display_config)
@@ -1704,7 +1704,7 @@ static int smu_handle_task(struct smu_context *smu,
 {
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        switch (task_id) {
@@ -1745,7 +1745,7 @@ static int smu_switch_power_profile(void *handle,
        long workload;
        uint32_t index;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
@@ -1775,7 +1775,7 @@ static enum amd_dpm_forced_level 
smu_get_performance_level(void *handle)
        struct smu_context *smu = handle;
        struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
@@ -1791,7 +1791,7 @@ static int smu_force_performance_level(void *handle,
        struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
@@ -1817,7 +1817,7 @@ static int smu_set_display_count(void *handle, uint32_t 
count)
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        return smu_init_display_count(smu, count);
@@ -1830,7 +1830,7 @@ static int smu_force_smuclk_levels(struct smu_context 
*smu,
        struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
@@ -1917,7 +1917,7 @@ static int smu_set_df_cstate(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
@@ -1934,7 +1934,7 @@ int smu_allow_xgmi_power_down(struct smu_context *smu, 
bool en)
 {
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
@@ -1949,7 +1949,7 @@ int smu_allow_xgmi_power_down(struct smu_context *smu, 
bool en)
 
 int smu_write_watermarks_table(struct smu_context *smu)
 {
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        return smu_set_watermarks_table(smu, NULL);
@@ -1960,7 +1960,7 @@ static int smu_set_watermarks_for_clock_ranges(void 
*handle,
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->disable_watermark)
@@ -1973,7 +1973,7 @@ int smu_set_ac_dc(struct smu_context *smu)
 {
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        /* controlled by firmware */
@@ -2083,7 +2083,7 @@ static int smu_set_fan_speed_rpm(void *handle, uint32_t 
speed)
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->set_fan_speed_rpm)
@@ -2126,7 +2126,7 @@ int smu_get_power_limit(void *handle,
        uint32_t limit_type;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        switch(pp_power_type) {
@@ -2199,7 +2199,7 @@ static int smu_set_power_limit(void *handle, uint32_t 
limit)
        uint32_t limit_type = limit >> 24;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        limit &= (1<<24)-1;
@@ -2230,7 +2230,7 @@ static int smu_print_smuclk_levels(struct smu_context 
*smu, enum smu_clk_type cl
 {
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->print_clk_levels)
@@ -2319,7 +2319,7 @@ static int smu_od_edit_dpm_table(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->od_edit_dpm_table) {
@@ -2340,7 +2340,7 @@ static int smu_read_sensor(void *handle,
        int ret = 0;
        uint32_t *size, size_val;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!data || !size_arg)
@@ -2399,7 +2399,7 @@ static int smu_get_power_profile_mode(void *handle, char 
*buf)
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
+       if (!smu->adev->pm.dpm_enabled ||
            !smu->ppt_funcs->get_power_profile_mode)
                return -EOPNOTSUPP;
        if (!buf)
@@ -2414,7 +2414,7 @@ static int smu_set_power_profile_mode(void *handle,
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
+       if (!smu->adev->pm.dpm_enabled ||
            !smu->ppt_funcs->set_power_profile_mode)
                return -EOPNOTSUPP;
 
@@ -2426,7 +2426,7 @@ static int smu_get_fan_control_mode(void *handle, u32 
*fan_mode)
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->get_fan_control_mode)
@@ -2445,7 +2445,7 @@ static int smu_set_fan_control_mode(void *handle, u32 
value)
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->set_fan_control_mode)
@@ -2478,7 +2478,7 @@ static int smu_get_fan_speed_pwm(void *handle, u32 *speed)
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->get_fan_speed_pwm)
@@ -2497,7 +2497,7 @@ static int smu_set_fan_speed_pwm(void *handle, u32 speed)
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->set_fan_speed_pwm)
@@ -2524,7 +2524,7 @@ static int smu_get_fan_speed_rpm(void *handle, uint32_t 
*speed)
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->get_fan_speed_rpm)
@@ -2542,7 +2542,7 @@ static int smu_set_deep_sleep_dcefclk(void *handle, 
uint32_t clk)
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        return smu_set_min_dcef_deep_sleep(smu, clk);
@@ -2556,7 +2556,7 @@ static int smu_get_clock_by_type_with_latency(void 
*handle,
        enum smu_clk_type clk_type;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->get_clock_by_type_with_latency) {
@@ -2590,7 +2590,7 @@ static int smu_display_clock_voltage_request(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->display_clock_voltage_request)
@@ -2606,7 +2606,7 @@ static int smu_display_disable_memory_clock_switch(void 
*handle,
        struct smu_context *smu = handle;
        int ret = -EINVAL;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->display_disable_memory_clock_switch)
@@ -2621,7 +2621,7 @@ static int smu_set_xgmi_pstate(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->set_xgmi_pstate)
@@ -2722,7 +2722,7 @@ static int smu_get_max_sustainable_clocks_by_dc(void 
*handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
@@ -2738,7 +2738,7 @@ static int smu_get_uclk_dpm_states(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->get_uclk_dpm_states)
@@ -2752,7 +2752,7 @@ static enum amd_pm_state_type 
smu_get_current_power_state(void *handle)
        struct smu_context *smu = handle;
        enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->get_current_power_state)
@@ -2767,7 +2767,7 @@ static int smu_get_dpm_clock_table(void *handle,
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->get_dpm_clock_table)
@@ -2780,7 +2780,7 @@ static ssize_t smu_sys_get_gpu_metrics(void *handle, void 
**table)
 {
        struct smu_context *smu = handle;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (!smu->ppt_funcs->get_gpu_metrics)
@@ -2794,7 +2794,7 @@ static int smu_enable_mgpu_fan_boost(void *handle)
        struct smu_context *smu = handle;
        int ret = 0;
 
-       if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+       if (!smu->adev->pm.dpm_enabled)
                return -EOPNOTSUPP;
 
        if (smu->ppt_funcs->enable_mgpu_fan_boost)
-- 
2.29.0

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