drm/amd/powerplay: remove smu callback funciton get_mclk(get_sclk)

remove smu callback: get_mclk, get_sclk.
because the function smu_get_dpm_freq_range has the same function.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -907,18 +907,36 @@ amdgpu_get_vce_clock_state(void *handle, u32 idx)
 
 int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low)
 {
-	if (is_support_sw_smu(adev))
-		return smu_get_sclk(&adev->smu, low);
-	else
+	uint32_t clk_freq;
+	int ret = 0;
+	if (is_support_sw_smu(adev)) {
+		ret = smu_get_dpm_freq_range(&adev->smu, SMU_GFXCLK,
+					     low ? &clk_freq : NULL,
+					     !low ? &clk_freq : NULL);
+		if (ret)
+			return 0;
+		return clk_freq * 100;
+
+	} else {
 		return (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (low));
+	}
 }
 
 int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low)
 {
-	if (is_support_sw_smu(adev))
-		return smu_get_mclk(&adev->smu, low);
-	else
+	uint32_t clk_freq;
+	int ret = 0;
+	if (is_support_sw_smu(adev)) {
+		ret = smu_get_dpm_freq_range(&adev->smu, SMU_UCLK,
+					     low ? &clk_freq : NULL,
+					     !low ? &clk_freq : NULL);
+		if (ret)
+			return 0;
+		return clk_freq * 100;
+
+	} else {
 		return (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (low));
+	}
 }
 
 int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block_type, bool gate)

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

@@ -135,30 +135,52 @@ int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
 	if (!min && !max)
 		return -EINVAL;
 
+	switch (clk_type) {
+	case SMU_UCLK:
+		if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
+			pr_warn("uclk dpm is not enabled\n");
+			return 0;
+		}
+		break;
+	case SMU_GFXCLK:
+		if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT)) {
+			pr_warn("gfxclk dpm is not enabled\n");
+			return 0;
+		}
+		break;
+	default:
+		break;
+	}
+
+	mutex_lock(&smu->mutex);
 	clk_id = smu_clk_get_index(smu, clk_type);
-	if (clk_id < 0)
-		return clk_id;
+	if (clk_id < 0) {
+		ret = -EINVAL;
+		goto failed;
+	}
 
 	param = (clk_id & 0xffff) << 16;
 
 	if (max) {
 		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMaxDpmFreq, param);
 		if (ret)
-			return ret;
+			goto failed;
 		ret = smu_read_smc_arg(smu, max);
 		if (ret)
-			return ret;
+			goto failed;
 	}
 
 	if (min) {
 		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMinDpmFreq, param);
 		if (ret)
-			return ret;
+			goto failed;
 		ret = smu_read_smc_arg(smu, min);
 		if (ret)
-			return ret;
+			goto failed;
 	}
 
+failed:
+	mutex_unlock(&smu->mutex);
 	return ret;
 }
 

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

@@ -679,8 +679,6 @@ struct smu_funcs
 	int (*update_od8_settings)(struct smu_context *smu,
 				   uint32_t index,
 				   uint32_t value);
-	uint32_t (*get_sclk)(struct smu_context *smu, bool low);
-	uint32_t (*get_mclk)(struct smu_context *smu, bool low);
 	int (*get_current_rpm)(struct smu_context *smu, uint32_t *speed);
 	uint32_t (*get_fan_control_mode)(struct smu_context *smu);
 	int (*set_fan_control_mode)(struct smu_context *smu, uint32_t mode);
@@ -881,10 +879,6 @@ struct smu_funcs
 	((smu)->ppt_funcs->dpm_set_uvd_enable ? (smu)->ppt_funcs->dpm_set_uvd_enable((smu), (enable)) : 0)
 #define smu_dpm_set_vce_enable(smu, enable) \
 	((smu)->ppt_funcs->dpm_set_vce_enable ? (smu)->ppt_funcs->dpm_set_vce_enable((smu), (enable)) : 0)
-#define smu_get_sclk(smu, low) \
-	((smu)->funcs->get_sclk ? (smu)->funcs->get_sclk((smu), (low)) : 0)
-#define smu_get_mclk(smu, low) \
-	((smu)->funcs->get_mclk ? (smu)->funcs->get_mclk((smu), (low)) : 0)
 #define smu_set_xgmi_pstate(smu, pstate) \
 		((smu)->funcs->set_xgmi_pstate ? (smu)->funcs->set_xgmi_pstate((smu), (pstate)) : 0)
 #define smu_set_ppfeature_status(smu, ppfeatures) \

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

@@ -1351,89 +1351,6 @@ static int smu_v11_0_gfx_off_control(struct smu_context *smu, bool enable)
 	return ret;
 }
 
-
-static int smu_v11_0_get_clock_ranges(struct smu_context *smu,
-				      uint32_t *clock,
-				      enum smu_clk_type clock_select,
-				      bool max)
-{
-	int ret;
-	*clock = 0;
-	if (max) {
-		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMaxDpmFreq,
-				smu_clk_get_index(smu, clock_select) << 16);
-		if (ret) {
-			pr_err("[GetClockRanges] Failed to get max clock from SMC!\n");
-			return ret;
-		}
-		smu_read_smc_arg(smu, clock);
-	} else {
-		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMinDpmFreq,
-				smu_clk_get_index(smu, clock_select) << 16);
-		if (ret) {
-			pr_err("[GetClockRanges] Failed to get min clock from SMC!\n");
-			return ret;
-		}
-		smu_read_smc_arg(smu, clock);
-	}
-
-	return 0;
-}
-
-static uint32_t smu_v11_0_dpm_get_sclk(struct smu_context *smu, bool low)
-{
-	uint32_t gfx_clk;
-	int ret;
-
-	if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT)) {
-		pr_err("[GetSclks]: gfxclk dpm not enabled!\n");
-		return -EPERM;
-	}
-
-	if (low) {
-		ret = smu_v11_0_get_clock_ranges(smu, &gfx_clk, SMU_GFXCLK, false);
-		if (ret) {
-			pr_err("[GetSclks]: fail to get min SMU_GFXCLK\n");
-			return ret;
-		}
-	} else {
-		ret = smu_v11_0_get_clock_ranges(smu, &gfx_clk, SMU_GFXCLK, true);
-		if (ret) {
-			pr_err("[GetSclks]: fail to get max SMU_GFXCLK\n");
-			return ret;
-		}
-	}
-
-	return (gfx_clk * 100);
-}
-
-static uint32_t smu_v11_0_dpm_get_mclk(struct smu_context *smu, bool low)
-{
-	uint32_t mem_clk;
-	int ret;
-
-	if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
-		pr_err("[GetMclks]: memclk dpm not enabled!\n");
-		return -EPERM;
-	}
-
-	if (low) {
-		ret = smu_v11_0_get_clock_ranges(smu, &mem_clk, SMU_UCLK, false);
-		if (ret) {
-			pr_err("[GetMclks]: fail to get min SMU_UCLK\n");
-			return ret;
-		}
-	} else {
-		ret = smu_v11_0_get_clock_ranges(smu, &mem_clk, SMU_GFXCLK, true);
-		if (ret) {
-			pr_err("[GetMclks]: fail to get max SMU_UCLK\n");
-			return ret;
-		}
-	}
-
-	return (mem_clk * 100);
-}
-
 static int smu_v11_0_set_od8_default_settings(struct smu_context *smu,
 					      bool initialize)
 {
@@ -1778,8 +1695,6 @@ static const struct smu_funcs smu_v11_0_funcs = {
 	.set_deep_sleep_dcefclk = smu_v11_0_set_deep_sleep_dcefclk,
 	.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,
 	.set_watermarks_for_clock_ranges = smu_v11_0_set_watermarks_for_clock_ranges,
-	.get_sclk = smu_v11_0_dpm_get_sclk,
-	.get_mclk = smu_v11_0_dpm_get_mclk,
 	.set_od8_default_settings = smu_v11_0_set_od8_default_settings,
 	.update_od8_settings = smu_v11_0_update_od8_settings,
 	.get_current_rpm = smu_v11_0_get_current_rpm,