drm/amd/powerplay: revise calling chain on retrieving frequency range

This helps to maintain clear code layers and drop unnecessary
parameter.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

@@ -1461,7 +1461,7 @@ static int amdgpu_debugfs_sclk_set(void *data, u64 val)
 	}
 
 	if (is_support_sw_smu(adev)) {
-		ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq, true);
+		ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq);
 		if (ret || val > max_freq || val < min_freq)
 			return -EINVAL;
 		ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val);

drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c

@@ -911,8 +911,7 @@ int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
 	if (is_support_sw_smu(adev)) {
 		ret = smu_get_dpm_freq_range(&adev->smu, SMU_GFXCLK,
 					     low ? &clk_freq : NULL,
-					     !low ? &clk_freq : NULL,
-					     true);
+					     !low ? &clk_freq : NULL);
 		if (ret)
 			return 0;
 		return clk_freq * 100;
@@ -929,8 +928,7 @@ int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low)
 	if (is_support_sw_smu(adev)) {
 		ret = smu_get_dpm_freq_range(&adev->smu, SMU_UCLK,
 					     low ? &clk_freq : NULL,
-					     !low ? &clk_freq : NULL,
-					     true);
+					     !low ? &clk_freq : NULL);
 		if (ret)
 			return 0;
 		return clk_freq * 100;

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -261,51 +261,25 @@ int smu_set_soft_freq_range(struct smu_context *smu,
 	return ret;
 }
 
-int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
-			   uint32_t *min, uint32_t *max, bool lock_needed)
+int smu_get_dpm_freq_range(struct smu_context *smu,
+			   enum smu_clk_type clk_type,
+			   uint32_t *min,
+			   uint32_t *max)
 {
-	uint32_t clock_limit;
 	int ret = 0;
 
 	if (!min && !max)
 		return -EINVAL;
 
-	if (lock_needed)
-		mutex_lock(&smu->mutex);
-
-	if (!smu_clk_dpm_is_enabled(smu, clk_type)) {
-		switch (clk_type) {
-		case SMU_MCLK:
-		case SMU_UCLK:
-			clock_limit = smu->smu_table.boot_values.uclk;
-			break;
-		case SMU_GFXCLK:
-		case SMU_SCLK:
-			clock_limit = smu->smu_table.boot_values.gfxclk;
-			break;
-		case SMU_SOCCLK:
-			clock_limit = smu->smu_table.boot_values.socclk;
-			break;
-		default:
-			clock_limit = 0;
-			break;
-		}
+	mutex_lock(&smu->mutex);
 
-		/* clock in Mhz unit */
-		if (min)
-			*min = clock_limit / 100;
-		if (max)
-			*max = clock_limit / 100;
-	} else {
-		/*
-		 * Todo: Use each asic(ASIC_ppt funcs) control the callbacks exposed to the
-		 * core driver and then have helpers for stuff that is common(SMU_v11_x | SMU_v12_x funcs).
-		 */
-		ret = smu_get_dpm_ultimate_freq(smu, clk_type, min, max);
-	}
+	if (smu->ppt_funcs->get_dpm_ultimate_freq)
+		ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu,
+							    clk_type,
+							    min,
+							    max);
 
-	if (lock_needed)
-		mutex_unlock(&smu->mutex);
+	mutex_unlock(&smu->mutex);
 
 	return ret;
 }

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

@@ -720,7 +720,7 @@ int smu_get_dpm_freq_by_index(struct smu_context *smu, enum smu_clk_type clk_typ
 int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type,
 			    uint32_t *value);
 int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
-			   uint32_t *min, uint32_t *max, bool lock_needed);
+			   uint32_t *min, uint32_t *max);
 int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
 			    uint32_t min, uint32_t max);
 int smu_get_dpm_level_range(struct smu_context *smu, enum smu_clk_type clk_type,

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

@@ -1082,13 +1082,13 @@ static int navi10_populate_umd_state_clk(struct smu_context *smu)
 	int ret = 0;
 	uint32_t min_sclk_freq = 0, min_mclk_freq = 0;
 
-	ret = smu_get_dpm_freq_range(smu, SMU_SCLK, &min_sclk_freq, NULL, false);
+	ret = smu_v11_0_get_dpm_ultimate_freq(smu, SMU_SCLK, &min_sclk_freq, NULL);
 	if (ret)
 		return ret;
 
 	smu->pstate_sclk = min_sclk_freq * 100;
 
-	ret = smu_get_dpm_freq_range(smu, SMU_MCLK, &min_mclk_freq, NULL, false);
+	ret = smu_v11_0_get_dpm_ultimate_freq(smu, SMU_MCLK, &min_mclk_freq, NULL);
 	if (ret)
 		return ret;
 
@@ -1143,7 +1143,7 @@ static int navi10_pre_display_config_changed(struct smu_context *smu)
 		return ret;
 
 	if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
-		ret = smu_get_dpm_freq_range(smu, SMU_UCLK, NULL, &max_freq, false);
+		ret = smu_v11_0_get_dpm_ultimate_freq(smu, SMU_UCLK, NULL, &max_freq);
 		if (ret)
 			return ret;
 		ret = smu_v11_0_set_hard_freq_limited_range(smu, SMU_UCLK, 0, max_freq);
@@ -1185,7 +1185,7 @@ static int navi10_force_dpm_limit_value(struct smu_context *smu, bool highest)
 
 	for (i = 0; i < ARRAY_SIZE(clks); i++) {
 		clk_type = clks[i];
-		ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq, false);
+		ret = smu_v11_0_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 
@@ -1212,7 +1212,7 @@ static int navi10_unforce_dpm_levels(struct smu_context *smu)
 
 	for (i = 0; i < ARRAY_SIZE(clks); i++) {
 		clk_type = clks[i];
-		ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq, false);
+		ret = smu_v11_0_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 

drivers/gpu/drm/amd/powerplay/renoir_ppt.c

@@ -264,7 +264,7 @@ static int renoir_print_clk_levels(struct smu_context *smu,
 	case SMU_SCLK:
 		/* retirve table returned paramters unit is MHz */
 		cur_value = metrics.ClockFrequency[CLOCK_GFXCLK];
-		ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK, &min, &max, false);
+		ret = smu_v12_0_get_dpm_ultimate_freq(smu, SMU_GFXCLK, &min, &max);
 		if (!ret) {
 			/* driver only know min/max gfx_clk, Add level 1 for all other gfx clks */
 			if (cur_value  == max)
@@ -434,7 +434,7 @@ static int renoir_force_dpm_limit_value(struct smu_context *smu, bool highest)
 
 	for (i = 0; i < ARRAY_SIZE(clks); i++) {
 		clk_type = clks[i];
-		ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq, false);
+		ret = smu_v12_0_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 
@@ -468,7 +468,7 @@ static int renoir_unforce_dpm_levels(struct smu_context *smu) {
 
 		clk_type = clk_feature_map[i].clk_type;
 
-		ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq, false);
+		ret = smu_v12_0_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 
@@ -633,7 +633,7 @@ static int renoir_force_clk_levels(struct smu_context *smu,
 			return -EINVAL;
 		}
 
-		ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK, &min_freq, &max_freq, false);
+		ret = smu_v12_0_get_dpm_ultimate_freq(smu, SMU_GFXCLK, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxGfxClk,
@@ -716,7 +716,7 @@ static int renoir_set_peak_clock_by_device(struct smu_context *smu)
 	int ret = 0;
 	uint32_t sclk_freq = 0, uclk_freq = 0;
 
-	ret = smu_get_dpm_freq_range(smu, SMU_SCLK, NULL, &sclk_freq, false);
+	ret = smu_v12_0_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_freq);
 	if (ret)
 		return ret;
 
@@ -724,7 +724,7 @@ static int renoir_set_peak_clock_by_device(struct smu_context *smu)
 	if (ret)
 		return ret;
 
-	ret = smu_get_dpm_freq_range(smu, SMU_UCLK, NULL, &uclk_freq, false);
+	ret = smu_v12_0_get_dpm_ultimate_freq(smu, SMU_UCLK, NULL, &uclk_freq);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c

@@ -929,13 +929,13 @@ static int sienna_cichlid_populate_umd_state_clk(struct smu_context *smu)
 	int ret = 0;
 	uint32_t min_sclk_freq = 0, min_mclk_freq = 0;
 
-	ret = smu_get_dpm_freq_range(smu, SMU_SCLK, &min_sclk_freq, NULL, false);
+	ret = smu_v11_0_get_dpm_ultimate_freq(smu, SMU_SCLK, &min_sclk_freq, NULL);
 	if (ret)
 		return ret;
 
 	smu->pstate_sclk = min_sclk_freq * 100;
 
-	ret = smu_get_dpm_freq_range(smu, SMU_MCLK, &min_mclk_freq, NULL, false);
+	ret = smu_v11_0_get_dpm_ultimate_freq(smu, SMU_MCLK, &min_mclk_freq, NULL);
 	if (ret)
 		return ret;
 
@@ -958,7 +958,7 @@ static int sienna_cichlid_pre_display_config_changed(struct smu_context *smu)
 #endif
 
 	if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
-		ret = smu_get_dpm_freq_range(smu, SMU_UCLK, NULL, &max_freq, false);
+		ret = smu_v11_0_get_dpm_ultimate_freq(smu, SMU_UCLK, NULL, &max_freq);
 		if (ret)
 			return ret;
 		ret = smu_v11_0_set_hard_freq_limited_range(smu, SMU_UCLK, 0, max_freq);
@@ -1002,7 +1002,7 @@ static int sienna_cichlid_force_dpm_limit_value(struct smu_context *smu, bool hi
 
 	for (i = 0; i < ARRAY_SIZE(clks); i++) {
 		clk_type = clks[i];
-		ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq, false);
+		ret = smu_v11_0_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 
@@ -1029,7 +1029,7 @@ static int sienna_cichlid_unforce_dpm_levels(struct smu_context *smu)
 
 	for (i = 0; i < ARRAY_SIZE(clks); i++) {
 		clk_type = clks[i];
-		ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq, false);
+		ret = smu_v11_0_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
 		if (ret)
 			return ret;
 

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

@@ -1699,6 +1699,34 @@ int smu_v11_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type c
 {
 	int ret = 0, clk_id = 0;
 	uint32_t param = 0;
+	uint32_t clock_limit;
+
+	if (!smu_clk_dpm_is_enabled(smu, clk_type)) {
+		switch (clk_type) {
+		case SMU_MCLK:
+		case SMU_UCLK:
+			clock_limit = smu->smu_table.boot_values.uclk;
+			break;
+		case SMU_GFXCLK:
+		case SMU_SCLK:
+			clock_limit = smu->smu_table.boot_values.gfxclk;
+			break;
+		case SMU_SOCCLK:
+			clock_limit = smu->smu_table.boot_values.socclk;
+			break;
+		default:
+			clock_limit = 0;
+			break;
+		}
+
+		/* clock in Mhz unit */
+		if (min)
+			*min = clock_limit / 100;
+		if (max)
+			*max = clock_limit / 100;
+
+		return 0;
+	}
 
 	clk_id = smu_clk_get_index(smu, clk_type);
 	if (clk_id < 0) {

drivers/gpu/drm/amd/powerplay/smu_v12_0.c

@@ -321,6 +321,34 @@ int smu_v12_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type c
 {
 	int ret = 0;
 	uint32_t mclk_mask, soc_mask;
+	uint32_t clock_limit;
+
+	if (!smu_clk_dpm_is_enabled(smu, clk_type)) {
+		switch (clk_type) {
+		case SMU_MCLK:
+		case SMU_UCLK:
+			clock_limit = smu->smu_table.boot_values.uclk;
+			break;
+		case SMU_GFXCLK:
+		case SMU_SCLK:
+			clock_limit = smu->smu_table.boot_values.gfxclk;
+			break;
+		case SMU_SOCCLK:
+			clock_limit = smu->smu_table.boot_values.socclk;
+			break;
+		default:
+			clock_limit = 0;
+			break;
+		}
+
+		/* clock in Mhz unit */
+		if (min)
+			*min = clock_limit / 100;
+		if (max)
+			*max = clock_limit / 100;
+
+		return 0;
+	}
 
 	if (max) {
 		ret = smu_get_profiling_clk_mask(smu, AMD_DPM_FORCED_LEVEL_PROFILE_PEAK,