drm/amd/powerplay: enable pp one vf mode for vega10

Originally, due to the restriction from PSP and SMU, VF has
to send message to hypervisor driver to handle powerplay
change which is complicated and redundant. Currently, SMU
and PSP can support VF to directly handle powerplay
change by itself. Therefore, the old code about the handshake
between VF and PF to handle powerplay will be removed and VF
will use new the registers below to handshake with SMU.
mmMP1_SMN_C2PMSG_101: register to handle SMU message
mmMP1_SMN_C2PMSG_102: register to handle SMU parameter
mmMP1_SMN_C2PMSG_103: register to handle SMU response

v2: remove module parameter pp_one_vf
v3: fix the parens
v4: forbid vf to change smu feature
v5: use hwmon_attributes_visible to skip sepicified hwmon atrribute
v6: change skip condition at vega10_copy_table_to_smc
Signed-off-by: Yintian Tao <yttao@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1877,6 +1877,9 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
 		}
 	}
 
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_init_data_exchange(adev);
+
 	r = amdgpu_ib_pool_init(adev);
 	if (r) {
 		dev_err(adev->dev, "IB initialization failed (%d).\n", r);
@@ -1918,11 +1921,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
 	amdgpu_amdkfd_device_init(adev);
 
 init_failed:
-	if (amdgpu_sriov_vf(adev)) {
-		if (!r)
-			amdgpu_virt_init_data_exchange(adev);
+	if (amdgpu_sriov_vf(adev))
 		amdgpu_virt_release_full_gpu(adev, true);
-	}
 
 	return r;
 }
@@ -2822,7 +2822,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	mutex_init(&adev->virt.vf_errors.lock);
 	hash_init(adev->mn_hash);
 	mutex_init(&adev->lock_reset);
-	mutex_init(&adev->virt.dpm_mutex);
 	mutex_init(&adev->psp.mutex);
 
 	r = amdgpu_device_check_arguments(adev);
@@ -3041,9 +3040,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 
 	amdgpu_fbdev_init(adev);
 
-	if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev))
-		amdgpu_pm_virt_sysfs_init(adev);
-
 	r = amdgpu_pm_sysfs_init(adev);
 	if (r) {
 		adev->pm_sysfs_en = false;
@@ -3188,8 +3184,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
 	iounmap(adev->rmmio);
 	adev->rmmio = NULL;
 	amdgpu_device_doorbell_fini(adev);
-	if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev))
-		amdgpu_pm_virt_sysfs_fini(adev);
 
 	amdgpu_debugfs_regs_cleanup(adev);
 	device_remove_file(adev->dev, &dev_attr_pcie_replay_count);
@@ -3670,6 +3664,7 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
 	if (r)
 		goto error;
 
+	amdgpu_virt_init_data_exchange(adev);
 	/* we need recover gart prior to run SMC/CP/SDMA resume */
 	amdgpu_gtt_mgr_recover(&adev->mman.bdev.man[TTM_PL_TT]);
 
@@ -3687,7 +3682,6 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
 	amdgpu_amdkfd_post_reset(adev);
 
 error:
-	amdgpu_virt_init_data_exchange(adev);
 	amdgpu_virt_release_full_gpu(adev, true);
 	if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
 		amdgpu_inc_vram_lost(adev);

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

@@ -703,10 +703,6 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		if (adev->pm.dpm_enabled) {
 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
-		} else if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev) &&
-			   adev->virt.ops->get_pp_clk) {
-			dev_info.max_engine_clock = amdgpu_virt_get_sclk(adev, false) * 10;
-			dev_info.max_memory_clock = amdgpu_virt_get_mclk(adev, false) * 10;
 		} else {
 			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
 			dev_info.max_memory_clock = adev->clock.default_mclk * 10;

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

@@ -379,54 +379,3 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
 		}
 	}
 }
-
-static uint32_t parse_clk(char *buf, bool min)
-{
-        char *ptr = buf;
-        uint32_t clk = 0;
-
-        do {
-                ptr = strchr(ptr, ':');
-                if (!ptr)
-                        break;
-                ptr+=2;
-		if (kstrtou32(ptr, 10, &clk))
-			return 0;
-        } while (!min);
-
-        return clk * 100;
-}
-
-uint32_t amdgpu_virt_get_sclk(struct amdgpu_device *adev, bool lowest)
-{
-	char *buf = NULL;
-	uint32_t clk = 0;
-
-	buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	adev->virt.ops->get_pp_clk(adev, PP_SCLK, buf);
-	clk = parse_clk(buf, lowest);
-
-	kfree(buf);
-
-	return clk;
-}
-
-uint32_t amdgpu_virt_get_mclk(struct amdgpu_device *adev, bool lowest)
-{
-	char *buf = NULL;
-	uint32_t clk = 0;
-
-	buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	adev->virt.ops->get_pp_clk(adev, PP_MCLK, buf);
-	clk = parse_clk(buf, lowest);
-
-	kfree(buf);
-
-	return clk;
-}

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h

@@ -57,8 +57,6 @@ struct amdgpu_virt_ops {
 	int (*reset_gpu)(struct amdgpu_device *adev);
 	int (*wait_reset)(struct amdgpu_device *adev);
 	void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3);
-	int (*get_pp_clk)(struct amdgpu_device *adev, u32 type, char *buf);
-	int (*force_dpm_level)(struct amdgpu_device *adev, u32 level);
 };
 
 /*
@@ -85,8 +83,8 @@ enum AMDGIM_FEATURE_FLAG {
 	AMDGIM_FEATURE_GIM_LOAD_UCODES   = 0x2,
 	/* VRAM LOST by GIM */
 	AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
-	/* HW PERF SIM in GIM */
-	AMDGIM_FEATURE_HW_PERF_SIMULATION = (1 << 3),
+	/* PP ONE VF MODE in GIM */
+	AMDGIM_FEATURE_PP_ONE_VF = (1 << 4),
 };
 
 struct amd_sriov_msg_pf2vf_info_header {
@@ -257,8 +255,6 @@ struct amdgpu_virt {
 	struct amdgpu_vf_error_buffer   vf_errors;
 	struct amdgpu_virt_fw_reserve	fw_reserve;
 	uint32_t gim_feature;
-	/* protect DPM events to GIM */
-	struct mutex                    dpm_mutex;
 	uint32_t reg_access_mode;
 };
 
@@ -286,8 +282,8 @@ static inline bool is_virtual_machine(void)
 #endif
 }
 
-#define amdgim_is_hwperf(adev) \
-	((adev)->virt.gim_feature & AMDGIM_FEATURE_HW_PERF_SIMULATION)
+#define amdgpu_sriov_is_pp_one_vf(adev) \
+	((adev)->virt.gim_feature & AMDGIM_FEATURE_PP_ONE_VF)
 
 bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
 void amdgpu_virt_init_setting(struct amdgpu_device *adev);
@@ -306,6 +302,4 @@ int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
 					unsigned int key,
 					unsigned int chksum);
 void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
-uint32_t amdgpu_virt_get_sclk(struct amdgpu_device *adev, bool lowest);
-uint32_t amdgpu_virt_get_mclk(struct amdgpu_device *adev, bool lowest);
 #endif

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

@@ -158,82 +158,6 @@ static void xgpu_ai_mailbox_trans_msg (struct amdgpu_device *adev,
 	xgpu_ai_mailbox_set_valid(adev, false);
 }
 
-static int xgpu_ai_get_pp_clk(struct amdgpu_device *adev, u32 type, char *buf)
-{
-        int r = 0;
-        u32 req, val, size;
-
-        if (!amdgim_is_hwperf(adev) || buf == NULL)
-                return -EBADRQC;
-
-        switch(type) {
-        case PP_SCLK:
-                req = IDH_IRQ_GET_PP_SCLK;
-                break;
-        case PP_MCLK:
-                req = IDH_IRQ_GET_PP_MCLK;
-                break;
-        default:
-                return -EBADRQC;
-        }
-
-        mutex_lock(&adev->virt.dpm_mutex);
-
-        xgpu_ai_mailbox_trans_msg(adev, req, 0, 0, 0);
-
-        r = xgpu_ai_poll_msg(adev, IDH_SUCCESS);
-        if (!r && adev->fw_vram_usage.va != NULL) {
-                val = RREG32_NO_KIQ(
-                        SOC15_REG_OFFSET(NBIO, 0,
-                                         mmBIF_BX_PF0_MAILBOX_MSGBUF_RCV_DW1));
-                size = strnlen((((char *)adev->virt.fw_reserve.p_pf2vf) +
-                                val), PAGE_SIZE);
-
-                if (size < PAGE_SIZE)
-                        strcpy(buf,((char *)adev->virt.fw_reserve.p_pf2vf + val));
-                else
-                        size = 0;
-
-                r = size;
-                goto out;
-        }
-
-        r = xgpu_ai_poll_msg(adev, IDH_FAIL);
-        if(r)
-                pr_info("%s DPM request failed",
-                        (type == PP_SCLK)? "SCLK" : "MCLK");
-
-out:
-        mutex_unlock(&adev->virt.dpm_mutex);
-        return r;
-}
-
-static int xgpu_ai_force_dpm_level(struct amdgpu_device *adev, u32 level)
-{
-        int r = 0;
-        u32 req = IDH_IRQ_FORCE_DPM_LEVEL;
-
-        if (!amdgim_is_hwperf(adev))
-                return -EBADRQC;
-
-        mutex_lock(&adev->virt.dpm_mutex);
-        xgpu_ai_mailbox_trans_msg(adev, req, level, 0, 0);
-
-        r = xgpu_ai_poll_msg(adev, IDH_SUCCESS);
-        if (!r)
-                goto out;
-
-        r = xgpu_ai_poll_msg(adev, IDH_FAIL);
-        if (!r)
-                pr_info("DPM request failed");
-        else
-                pr_info("Mailbox is broken");
-
-out:
-        mutex_unlock(&adev->virt.dpm_mutex);
-        return r;
-}
-
 static int xgpu_ai_send_access_requests(struct amdgpu_device *adev,
 					enum idh_request req)
 {
@@ -455,6 +379,4 @@ const struct amdgpu_virt_ops xgpu_ai_virt_ops = {
 	.reset_gpu = xgpu_ai_request_reset,
 	.wait_reset = NULL,
 	.trans_msg = xgpu_ai_mailbox_trans_msg,
-	.get_pp_clk = xgpu_ai_get_pp_clk,
-	.force_dpm_level = xgpu_ai_force_dpm_level,
 };

drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h

@@ -35,10 +35,6 @@ enum idh_request {
 	IDH_REL_GPU_FINI_ACCESS,
 	IDH_REQ_GPU_RESET_ACCESS,
 
-	IDH_IRQ_FORCE_DPM_LEVEL = 10,
-	IDH_IRQ_GET_PP_SCLK,
-	IDH_IRQ_GET_PP_MCLK,
-
 	IDH_LOG_VF_ERROR       = 200,
 };
 

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -775,10 +775,10 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
 		}
 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
-		if (!amdgpu_sriov_vf(adev)) {
-			if (is_support_sw_smu(adev))
+		if (is_support_sw_smu(adev)) {
+			if (!amdgpu_sriov_vf(adev))
 				amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
-			else
+		} else {
 			amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
 		}
 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))

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

@@ -48,7 +48,6 @@ static int amd_powerplay_create(struct amdgpu_device *adev)
 
 	hwmgr->adev = adev;
 	hwmgr->not_vf = !amdgpu_sriov_vf(adev);
-	hwmgr->pm_en = (amdgpu_dpm && hwmgr->not_vf) ? true : false;
 	hwmgr->device = amdgpu_cgs_create_device(adev);
 	mutex_init(&hwmgr->smu_lock);
 	hwmgr->chip_family = adev->family;
@@ -276,6 +275,9 @@ static int pp_dpm_load_fw(void *handle)
 {
 	struct pp_hwmgr *hwmgr = handle;
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (!hwmgr || !hwmgr->smumgr_funcs || !hwmgr->smumgr_funcs->start_smu)
 		return -EINVAL;
 

drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c

@@ -81,8 +81,8 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
 	adev = hwmgr->adev;
 
 	/* Skip for suspend/resume case */
-	if (smum_is_dpm_running(hwmgr) && !amdgpu_passthrough(adev)
-		&& adev->in_suspend) {
+	if (!hwmgr->pp_one_vf && smum_is_dpm_running(hwmgr)
+	    && !amdgpu_passthrough(adev) && adev->in_suspend) {
 		pr_info("dpm has been enabled\n");
 		return 0;
 	}
@@ -200,6 +200,9 @@ int phm_stop_thermal_controller(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (hwmgr->hwmgr_func->stop_thermal_controller == NULL)
 		return -EINVAL;
 
@@ -237,6 +240,9 @@ int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
 		TEMP_RANGE_MAX};
 	struct amdgpu_device *adev = hwmgr->adev;
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (hwmgr->hwmgr_func->get_thermal_temperature_range)
 		hwmgr->hwmgr_func->get_thermal_temperature_range(
 				hwmgr, &range);
@@ -263,6 +269,8 @@ int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
 bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
+	if (hwmgr->pp_one_vf)
+		return false;
 
 	if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL)
 		return false;
@@ -482,6 +490,9 @@ int phm_disable_smc_firmware_ctf(struct pp_hwmgr *hwmgr)
 {
 	PHM_FUNC_CHECK(hwmgr);
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (hwmgr->hwmgr_func->disable_smc_firmware_ctf == NULL)
 		return -EINVAL;
 

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

@@ -221,6 +221,9 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
 {
 	int ret = 0;
 
+	hwmgr->pp_one_vf = amdgpu_sriov_is_pp_one_vf((struct amdgpu_device *)hwmgr->adev);
+	hwmgr->pm_en = (amdgpu_dpm && (hwmgr->not_vf || hwmgr->pp_one_vf))
+			? true : false;
 	if (!hwmgr->pm_en)
 		return 0;
 
@@ -279,6 +282,9 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
 
 int hwmgr_hw_fini(struct pp_hwmgr *hwmgr)
 {
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (!hwmgr || !hwmgr->pm_en)
 		return 0;
 
@@ -299,6 +305,9 @@ int hwmgr_suspend(struct pp_hwmgr *hwmgr)
 {
 	int ret = 0;
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (!hwmgr || !hwmgr->pm_en)
 		return 0;
 
@@ -318,6 +327,9 @@ int hwmgr_resume(struct pp_hwmgr *hwmgr)
 {
 	int ret = 0;
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (!hwmgr)
 		return -EINVAL;
 
@@ -365,6 +377,8 @@ int hwmgr_handle_task(struct pp_hwmgr *hwmgr, enum amd_pp_task task_id,
 
 	switch (task_id) {
 	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
+		if (!hwmgr->not_vf)
+			return ret;
 		ret = phm_pre_display_configuration_changed(hwmgr);
 		if (ret)
 			return ret;
@@ -381,6 +395,8 @@ int hwmgr_handle_task(struct pp_hwmgr *hwmgr, enum amd_pp_task task_id,
 		enum PP_StateUILabel requested_ui_label;
 		struct pp_power_state *requested_ps = NULL;
 
+		if (!hwmgr->not_vf)
+			return ret;
 		if (user_state == NULL) {
 			ret = -EINVAL;
 			break;

drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c

@@ -262,6 +262,7 @@ int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip_display_set
 	uint32_t index;
 	long workload;
 
+	if (hwmgr->not_vf) {
 		if (!skip_display_settings)
 			phm_display_configuration_changed(hwmgr);
 
@@ -276,6 +277,7 @@ int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip_display_set
 
 		if (!skip_display_settings)
 			phm_notify_smc_display_config_after_ps_adjustment(hwmgr);
+	}
 
 	if (!phm_force_dpm_levels(hwmgr, hwmgr->request_dpm_level))
 		hwmgr->dpm_level = hwmgr->request_dpm_level;

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

@@ -912,6 +912,9 @@ static int vega10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 	hwmgr->platform_descriptor.clockStep.memoryClock = 500;
 
 	data->total_active_cus = adev->gfx.cu_info.number;
+	if (!hwmgr->not_vf)
+		return result;
+
 	/* Setup default Overdrive Fan control settings */
 	data->odn_fan_table.target_fan_speed =
 			hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM;
@@ -979,6 +982,9 @@ static int vega10_setup_dpm_led_config(struct pp_hwmgr *hwmgr)
 
 static int vega10_setup_asic_task(struct pp_hwmgr *hwmgr)
 {
+	if (!hwmgr->not_vf)
+		return 0;
+
 	PP_ASSERT_WITH_CODE(!vega10_init_sclk_threshold(hwmgr),
 			"Failed to init sclk threshold!",
 			return -EINVAL);
@@ -2503,6 +2509,9 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr)
 			"Failed to setup default DPM tables!",
 			return result);
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	/* initialize ODN table */
 	if (hwmgr->od_enabled) {
 		if (odn_table->max_vddc) {
@@ -2826,6 +2835,8 @@ static int vega10_stop_dpm(struct pp_hwmgr *hwmgr, uint32_t bitmap)
 	struct vega10_hwmgr *data = hwmgr->backend;
 	uint32_t i, feature_mask = 0;
 
+	if (!hwmgr->not_vf)
+		return 0;
 
 	if(data->smu_features[GNLD_LED_DISPLAY].supported == true){
 		PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr,
@@ -2932,6 +2943,7 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 	struct vega10_hwmgr *data = hwmgr->backend;
 	int tmp_result, result = 0;
 
+	if (hwmgr->not_vf) {
 		vega10_enable_disable_PCC_limit_feature(hwmgr, true);
 
 		smum_send_msg_to_smc_with_parameter(hwmgr,
@@ -2941,12 +2953,16 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 		PP_ASSERT_WITH_CODE(!tmp_result,
 				    "Failed to construct voltage tables!",
 				    result = tmp_result);
+	}
 
+	if (hwmgr->not_vf || hwmgr->pp_one_vf) {
 		tmp_result = vega10_init_smc_table(hwmgr);
 		PP_ASSERT_WITH_CODE(!tmp_result,
 				    "Failed to initialize SMC table!",
 				    result = tmp_result);
+	}
 
+	if (hwmgr->not_vf) {
 		if (PP_CAP(PHM_PlatformCaps_ThermalController)) {
 			tmp_result = vega10_enable_thermal_protection(hwmgr);
 			PP_ASSERT_WITH_CODE(!tmp_result,
@@ -2963,21 +2979,27 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 		PP_ASSERT_WITH_CODE(!tmp_result,
 				    "Failed to enable deep sleep master switch!",
 				    result = tmp_result);
+	}
 
+	if (hwmgr->not_vf) {
 		tmp_result = vega10_start_dpm(hwmgr, SMC_DPM_FEATURES);
 		PP_ASSERT_WITH_CODE(!tmp_result,
 				    "Failed to start DPM!", result = tmp_result);
+	}
 
+	if (hwmgr->not_vf) {
 		/* enable didt, do not abort if failed didt */
 		tmp_result = vega10_enable_didt_config(hwmgr);
 		PP_ASSERT(!tmp_result,
 			  "Failed to enable didt config!");
+	}
 
 	tmp_result = vega10_enable_power_containment(hwmgr);
 	PP_ASSERT_WITH_CODE(!tmp_result,
 			    "Failed to enable power containment!",
 			    result = tmp_result);
 
+	if (hwmgr->not_vf) {
 		tmp_result = vega10_power_control_set_level(hwmgr);
 		PP_ASSERT_WITH_CODE(!tmp_result,
 				    "Failed to power control set level!",
@@ -2987,6 +3009,7 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
 		PP_ASSERT_WITH_CODE(!tmp_result,
 				    "Failed to enable ULV!",
 				    result = tmp_result);
+	}
 
 	return result;
 }
@@ -3080,11 +3103,22 @@ static int vega10_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr,
 	performance_level->soc_clock = socclk_dep_table->entries
 				[state_entry->ucSocClockIndexHigh].ulClk;
 	if (gfxclk_dep_table->ucRevId == 0) {
+		/* under vega10 pp one vf mode, the gfx clk dpm need be lower
+		 * to level-4 due to the limited 110w-power
+		 */
+		if (hwmgr->pp_one_vf && (state_entry->ucGfxClockIndexHigh > 0))
+			performance_level->gfx_clock =
+				gfxclk_dep_table->entries[4].ulClk;
+		else
 			performance_level->gfx_clock = gfxclk_dep_table->entries
 				[state_entry->ucGfxClockIndexHigh].ulClk;
 	} else if (gfxclk_dep_table->ucRevId == 1) {
 		patom_record_V2 = (ATOM_Vega10_GFXCLK_Dependency_Record_V2 *)gfxclk_dep_table->entries;
-		performance_level->gfx_clock = patom_record_V2[state_entry->ucGfxClockIndexHigh].ulClk;
+		if (hwmgr->pp_one_vf && (state_entry->ucGfxClockIndexHigh > 0))
+			performance_level->gfx_clock = patom_record_V2[4].ulClk;
+		else
+			performance_level->gfx_clock =
+				patom_record_V2[state_entry->ucGfxClockIndexHigh].ulClk;
 	}
 
 	performance_level->mem_clock = mclk_dep_table->entries
@@ -3495,6 +3529,7 @@ static int vega10_upload_dpm_bootup_level(struct pp_hwmgr *hwmgr)
 			smum_send_msg_to_smc_with_parameter(hwmgr,
 				PPSMC_MSG_SetSoftMinGfxclkByIndex,
 				data->smc_state_table.gfx_boot_level);
+
 			data->dpm_table.gfx_table.dpm_state.soft_min_level =
 					data->smc_state_table.gfx_boot_level;
 		}
@@ -3518,6 +3553,9 @@ static int vega10_upload_dpm_bootup_level(struct pp_hwmgr *hwmgr)
 		}
 	}
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (!data->registry_data.socclk_dpm_key_disabled) {
 		if (data->smc_state_table.soc_boot_level !=
 				data->dpm_table.soc_table.dpm_state.soft_min_level) {
@@ -3560,6 +3598,9 @@ static int vega10_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
 		}
 	}
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (!data->registry_data.socclk_dpm_key_disabled) {
 		if (data->smc_state_table.soc_max_level !=
 			data->dpm_table.soc_table.dpm_state.soft_max_level) {
@@ -4054,15 +4095,25 @@ static int vega10_get_profiling_clk_mask(struct pp_hwmgr *hwmgr, enum amd_dpm_fo
 	} else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) {
 		*mclk_mask = 0;
 	} else if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) {
+		/* under vega10  pp one vf mode, the gfx clk dpm need be lower
+		 * to level-4 due to the limited power
+		 */
+		if (hwmgr->pp_one_vf)
+			*sclk_mask = 4;
+		else
 			*sclk_mask = table_info->vdd_dep_on_sclk->count - 1;
 		*soc_mask = table_info->vdd_dep_on_socclk->count - 1;
 		*mclk_mask = table_info->vdd_dep_on_mclk->count - 1;
 	}
+
 	return 0;
 }
 
 static void vega10_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
 {
+	if (!hwmgr->not_vf)
+		return;
+
 	switch (mode) {
 	case AMD_FAN_CTRL_NONE:
 		vega10_fan_ctrl_set_fan_speed_percent(hwmgr, 100);
@@ -4176,6 +4227,9 @@ static int vega10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 		break;
 	}
 
+	if (!hwmgr->not_vf)
+		return ret;
+
 	if (!ret) {
 		if (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK && hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)
 			vega10_set_fan_control_mode(hwmgr, AMD_FAN_CTRL_NONE);
@@ -4479,7 +4533,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 	struct vega10_pcie_table *pcie_table = &(data->dpm_table.pcie_table);
 	struct vega10_odn_clock_voltage_dependency_table *podn_vdd_dep = NULL;
 
-	int i, now, size = 0;
+	int i, now, size = 0, count = 0;
 
 	switch (type) {
 	case PP_SCLK:
@@ -4489,7 +4543,12 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
 		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex);
 		now = smum_get_argument(hwmgr);
 
-		for (i = 0; i < sclk_table->count; i++)
+		if (hwmgr->pp_one_vf &&
+		    (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK))
+			count = 5;
+		else
+			count = sclk_table->count;
+		for (i = 0; i < count; i++)
 			size += sprintf(buf + size, "%d: %uMhz %s\n",
 					i, sclk_table->dpm_levels[i].value / 100,
 					(i == now) ? "*" : "");
@@ -4700,6 +4759,9 @@ static int vega10_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
 {
 	int tmp_result, result = 0;
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (PP_CAP(PHM_PlatformCaps_ThermalController))
 		vega10_disable_thermal_protection(hwmgr);
 

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c

@@ -1343,6 +1343,9 @@ int vega10_enable_power_containment(struct pp_hwmgr *hwmgr)
 	hwmgr->default_power_limit = hwmgr->power_limit =
 			(uint32_t)(tdp_table->usMaximumPowerDeliveryLimit);
 
+	if (!hwmgr->not_vf)
+		return 0;
+
 	if (PP_CAP(PHM_PlatformCaps_PowerContainment)) {
 		if (data->smu_features[GNLD_PPT].supported)
 			PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr,

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

@@ -741,6 +741,7 @@ struct pp_hwmgr {
 	uint32_t smu_version;
 	bool not_vf;
 	bool pm_en;
+	bool pp_one_vf;
 	struct mutex smu_lock;
 
 	uint32_t pp_table_version;

drivers/gpu/drm/amd/powerplay/smumgr/smu9_smumgr.c

@@ -61,6 +61,20 @@ static uint32_t smu9_wait_for_response(struct pp_hwmgr *hwmgr)
 	uint32_t reg;
 	uint32_t ret;
 
+	/* Due to the L1 policy problem under SRIOV, we have to use
+	 * mmMP1_SMN_C2PMSG_103 as the driver response register
+	 */
+	if (hwmgr->pp_one_vf) {
+		reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_103);
+
+		ret = phm_wait_for_register_unequal(hwmgr, reg,
+				0, MP1_C2PMSG_103__CONTENT_MASK);
+
+		if (ret)
+			pr_err("No response from smu\n");
+
+		return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103);
+	} else {
 		reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90);
 
 		ret = phm_wait_for_register_unequal(hwmgr, reg,
@@ -68,8 +82,8 @@ static uint32_t smu9_wait_for_response(struct pp_hwmgr *hwmgr)
 
 		if (ret)
 			pr_err("No response from smu\n");
-
 		return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
+	}
 }
 
 /*
@@ -83,7 +97,11 @@ static int smu9_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
 {
 	struct amdgpu_device *adev = hwmgr->adev;
 
+	if (hwmgr->pp_one_vf) {
+		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_101, msg);
+	} else {
 		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
+	}
 
 	return 0;
 }
@@ -101,6 +119,9 @@ int smu9_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
 
 	smu9_wait_for_response(hwmgr);
 
+	if (hwmgr->pp_one_vf)
+		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103, 0);
+	else
 		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
 
 	smu9_send_msg_to_smc_without_waiting(hwmgr, msg);
@@ -127,9 +148,17 @@ int smu9_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
 
 	smu9_wait_for_response(hwmgr);
 
+	/* Due to the L1 policy problem under SRIOV, we have to use
+	 * mmMP1_SMN_C2PMSG_101 as the driver message register and
+	 * mmMP1_SMN_C2PMSG_102 as the driver parameter register.
+	 */
+	if (hwmgr->pp_one_vf) {
+		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103, 0);
+		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_102, parameter);
+	} else {
 		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
-
 		WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, parameter);
+	}
 
 	smu9_send_msg_to_smc_without_waiting(hwmgr, msg);
 
@@ -144,5 +173,8 @@ uint32_t smu9_get_argument(struct pp_hwmgr *hwmgr)
 {
 	struct amdgpu_device *adev = hwmgr->adev;
 
+	if (hwmgr->pp_one_vf)
+		return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_102);
+	else
 		return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
 }

drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c

@@ -71,6 +71,12 @@ static int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
 {
 	struct vega10_smumgr *priv = hwmgr->smu_backend;
 
+	/* under sriov, vbios or hypervisor driver
+	 * has already copy table to smc so here only skip it
+	 */
+	if (!hwmgr->not_vf)
+		return 0;
+
 	PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
 			"Invalid SMU Table ID!", return -EINVAL);
 	PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
@@ -100,6 +106,14 @@ int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
 	int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
 			PPSMC_MSG_DisableSmuFeatures;
 
+	/* VF has no permission to change smu feature due
+	 * to security concern even under pp one vf mode
+	 * it still can't do it. For vega10, the smu in
+	 * vbios will enable the appropriate features.
+	 * */
+	if (!hwmgr->not_vf)
+		return 0;
+
 	return smum_send_msg_to_smc_with_parameter(hwmgr,
 			msg, feature_mask);
 }