drm/amd/powerplay: cover the powerplay implementation details V3

This can save users much troubles. As they do not
actually need to care whether swSMU or traditional
powerplay routine should be used.

V2: apply the fixes to vi.c and cik.c also
V3: squash in oops fix
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_amdkfd.c

@@ -613,12 +613,6 @@ void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 
-	if (is_support_sw_smu(adev))
-		smu_switch_power_profile(&adev->smu,
-					 PP_SMC_POWER_PROFILE_COMPUTE,
-					 !idle);
-	else if (adev->powerplay.pp_funcs &&
-		 adev->powerplay.pp_funcs->switch_power_profile)
 	amdgpu_dpm_switch_power_profile(adev,
 					PP_SMC_POWER_PROFILE_COMPUTE,
 					!idle);

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

@@ -2345,14 +2345,7 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
 		adev->ip_blocks[i].status.hw = false;
 		/* handle putting the SMC in the appropriate state */
 		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
-			if (is_support_sw_smu(adev)) {
-				r = smu_set_mp1_state(&adev->smu, adev->mp1_state);
-			} else if (adev->powerplay.pp_funcs &&
-					   adev->powerplay.pp_funcs->set_mp1_state) {
-				r = adev->powerplay.pp_funcs->set_mp1_state(
-					adev->powerplay.pp_handle,
-					adev->mp1_state);
-			}
+			r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state);
 			if (r) {
 				DRM_ERROR("SMC failed to set mp1 state %d, %d\n",
 					  adev->mp1_state, r);
@@ -4359,56 +4352,22 @@ int amdgpu_device_baco_enter(struct drm_device *dev)
 	if (ras && ras->supported)
 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
 
-	if (is_support_sw_smu(adev)) {
-		struct smu_context *smu = &adev->smu;
-		int ret;
-
-		ret = smu_baco_enter(smu);
-		if (ret)
-			return ret;
-	} else {
-		void *pp_handle = adev->powerplay.pp_handle;
-		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
-		if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
-			return -ENOENT;
-
-		/* enter BACO state */
-		if (pp_funcs->set_asic_baco_state(pp_handle, 1))
-			return -EIO;
-	}
-
-	return 0;
+	return amdgpu_dpm_baco_enter(adev);
 }
 
 int amdgpu_device_baco_exit(struct drm_device *dev)
 {
 	struct amdgpu_device *adev = dev->dev_private;
 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+	int ret = 0;
 
 	if (!amdgpu_device_supports_baco(adev->ddev))
 		return -ENOTSUPP;
 
-	if (is_support_sw_smu(adev)) {
-		struct smu_context *smu = &adev->smu;
-		int ret;
-
-		ret = smu_baco_exit(smu);
+	ret = amdgpu_dpm_baco_exit(adev);
 	if (ret)
 		return ret;
 
-	} else {
-		void *pp_handle = adev->powerplay.pp_handle;
-		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
-		if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
-			return -ENOENT;
-
-		/* exit BACO state */
-		if (pp_funcs->set_asic_baco_state(pp_handle, 0))
-			return -EIO;
-	}
-
 	if (ras && ras->supported)
 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
 

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

@@ -983,3 +983,163 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block
 
 	return ret;
 }
+
+int amdgpu_dpm_baco_enter(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	struct smu_context *smu = &adev->smu;
+	int ret = 0;
+
+	if (is_support_sw_smu(adev)) {
+		ret = smu_baco_enter(smu);
+	} else {
+		if (!pp_funcs || !pp_funcs->set_asic_baco_state)
+			return -ENOENT;
+
+		/* enter BACO state */
+		ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
+	}
+
+	return ret;
+}
+
+int amdgpu_dpm_baco_exit(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	struct smu_context *smu = &adev->smu;
+	int ret = 0;
+
+	if (is_support_sw_smu(adev)) {
+		ret = smu_baco_exit(smu);
+	} else {
+		if (!pp_funcs || !pp_funcs->set_asic_baco_state)
+			return -ENOENT;
+
+		/* exit BACO state */
+		ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
+	}
+
+	return ret;
+}
+
+int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev,
+			     enum pp_mp1_state mp1_state)
+{
+	int ret = 0;
+
+	if (is_support_sw_smu(adev)) {
+		ret = smu_set_mp1_state(&adev->smu, mp1_state);
+	} else if (adev->powerplay.pp_funcs &&
+		   adev->powerplay.pp_funcs->set_mp1_state) {
+		ret = adev->powerplay.pp_funcs->set_mp1_state(
+				adev->powerplay.pp_handle,
+				mp1_state);
+	}
+
+	return ret;
+}
+
+bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	struct smu_context *smu = &adev->smu;
+	bool baco_cap;
+
+	if (is_support_sw_smu(adev)) {
+		return smu_baco_is_support(smu);
+	} else {
+		if (!pp_funcs || !pp_funcs->get_asic_baco_capability)
+			return false;
+
+		if (pp_funcs->get_asic_baco_capability(pp_handle, &baco_cap))
+			return false;
+
+		return baco_cap ? true : false;
+	}
+}
+
+int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	struct smu_context *smu = &adev->smu;
+
+	if (is_support_sw_smu(adev)) {
+		return smu_mode2_reset(smu);
+	} else {
+		if (!pp_funcs || !pp_funcs->asic_reset_mode_2)
+			return -ENOENT;
+
+		return pp_funcs->asic_reset_mode_2(pp_handle);
+	}
+}
+
+int amdgpu_dpm_baco_reset(struct amdgpu_device *adev)
+{
+	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+	void *pp_handle = adev->powerplay.pp_handle;
+	struct smu_context *smu = &adev->smu;
+	int ret = 0;
+
+	dev_info(adev->dev, "GPU BACO reset\n");
+
+	if (is_support_sw_smu(adev)) {
+		ret = smu_baco_enter(smu);
+		if (ret)
+			return ret;
+
+		ret = smu_baco_exit(smu);
+		if (ret)
+			return ret;
+	} else {
+		if (!pp_funcs
+		    || !pp_funcs->set_asic_baco_state)
+			return -ENOENT;
+
+		/* enter BACO state */
+		ret = pp_funcs->set_asic_baco_state(pp_handle, 1);
+		if (ret)
+			return ret;
+
+		/* exit BACO state */
+		ret = pp_funcs->set_asic_baco_state(pp_handle, 0);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
+				    enum PP_SMC_POWER_PROFILE type,
+				    bool en)
+{
+	int ret = 0;
+
+	if (is_support_sw_smu(adev))
+		ret = smu_switch_power_profile(&adev->smu, type, en);
+	else if (adev->powerplay.pp_funcs &&
+		 adev->powerplay.pp_funcs->switch_power_profile)
+		ret = adev->powerplay.pp_funcs->switch_power_profile(
+			adev->powerplay.pp_handle, type, en);
+
+	return ret;
+}
+
+int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
+			       uint32_t pstate)
+{
+	int ret = 0;
+
+	if (is_support_sw_smu_xgmi(adev))
+		ret = smu_set_xgmi_pstate(&adev->smu, pstate);
+	else if (adev->powerplay.pp_funcs &&
+		 adev->powerplay.pp_funcs->set_xgmi_pstate)
+		ret = adev->powerplay.pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle,
+								pstate);
+
+	return ret;
+}

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

@@ -341,10 +341,6 @@ enum amdgpu_pcie_gen {
 		((adev)->powerplay.pp_funcs->reset_power_profile_state(\
 			(adev)->powerplay.pp_handle, request))
 
-#define amdgpu_dpm_switch_power_profile(adev, type, en) \
-		((adev)->powerplay.pp_funcs->switch_power_profile(\
-			(adev)->powerplay.pp_handle, type, en))
-
 #define amdgpu_dpm_set_clockgating_by_smu(adev, msg_id) \
 		((adev)->powerplay.pp_funcs->set_clockgating_by_smu(\
 			(adev)->powerplay.pp_handle, msg_id))
@@ -517,4 +513,24 @@ extern int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low);
 
 extern int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low);
 
+int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev,
+			       uint32_t pstate);
+
+int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev,
+				    enum PP_SMC_POWER_PROFILE type,
+				    bool en);
+
+int amdgpu_dpm_baco_reset(struct amdgpu_device *adev);
+
+int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev);
+
+bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev);
+
+int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev,
+			     enum pp_mp1_state mp1_state);
+
+int amdgpu_dpm_baco_exit(struct amdgpu_device *adev);
+
+int amdgpu_dpm_baco_enter(struct amdgpu_device *adev);
+
 #endif

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

@@ -543,12 +543,6 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
 	if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
 		return;
 
-	if (!is_support_sw_smu(adev) &&
-	    (!adev->powerplay.pp_funcs ||
-	     !adev->powerplay.pp_funcs->set_powergating_by_smu))
-		return;
-
-
 	mutex_lock(&adev->gfx.gfx_off_mutex);
 
 	if (!enable)

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

@@ -291,13 +291,7 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
 
 	dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate);
 
-	if (is_support_sw_smu_xgmi(adev))
-		ret = smu_set_xgmi_pstate(&adev->smu, pstate);
-	else if (adev->powerplay.pp_funcs &&
-		 adev->powerplay.pp_funcs->set_xgmi_pstate)
-		ret = adev->powerplay.pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle,
-								pstate);
-
+	ret = amdgpu_dpm_set_xgmi_pstate(adev, pstate);
 	if (ret) {
 		dev_err(adev->dev,
 			"XGMI: Set pstate failure on device %llx, hive %llx, ret %d",

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

@@ -1312,19 +1312,13 @@ static int cik_asic_pci_config_reset(struct amdgpu_device *adev)
 
 static bool cik_asic_supports_baco(struct amdgpu_device *adev)
 {
-	bool baco_support;
-
 	switch (adev->asic_type) {
 	case CHIP_BONAIRE:
 	case CHIP_HAWAII:
-		smu7_asic_get_baco_capability(adev, &baco_support);
-		break;
+		return amdgpu_dpm_is_baco_supported(adev);
 	default:
-		baco_support = false;
-		break;
+		return false;
 	}
-
-	return baco_support;
 }
 
 static enum amd_reset_method
@@ -1366,7 +1360,7 @@ static int cik_asic_reset(struct amdgpu_device *adev)
 	if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
 		if (!adev->in_suspend)
 			amdgpu_inc_vram_lost(adev);
-		r = smu7_asic_baco_reset(adev);
+		r = amdgpu_dpm_baco_reset(adev);
 	} else {
 		r = cik_asic_pci_config_reset(adev);
 	}

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

@@ -31,7 +31,5 @@ void cik_srbm_select(struct amdgpu_device *adev,
 int cik_set_ip_blocks(struct amdgpu_device *adev);
 
 void legacy_doorbell_index_init(struct amdgpu_device *adev);
-int smu7_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap);
-int smu7_asic_baco_reset(struct amdgpu_device *adev);
 
 #endif

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

@@ -478,7 +478,7 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 		amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
-		    is_support_sw_smu(adev) && !amdgpu_sriov_vf(adev))
+		    !amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
@@ -489,7 +489,7 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
-		    is_support_sw_smu(adev) && !amdgpu_sriov_vf(adev))
+		    !amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
@@ -502,7 +502,7 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 		amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
-		    is_support_sw_smu(adev) && !amdgpu_sriov_vf(adev))
+		    !amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
@@ -513,7 +513,7 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
-		    is_support_sw_smu(adev) && !amdgpu_sriov_vf(adev))
+		    !amdgpu_sriov_vf(adev))
 			amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);

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

@@ -479,63 +479,19 @@ static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
 	return ret;
 }
 
-static int soc15_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap)
-{
-	if (is_support_sw_smu(adev)) {
-		struct smu_context *smu = &adev->smu;
-
-		*cap = smu_baco_is_support(smu);
-		return 0;
-	} else {
-		void *pp_handle = adev->powerplay.pp_handle;
-		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
-		if (!pp_funcs || !pp_funcs->get_asic_baco_capability) {
-			*cap = false;
-			return -ENOENT;
-		}
-
-		return pp_funcs->get_asic_baco_capability(pp_handle, cap);
-	}
-}
-
 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
 {
 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+	int ret = 0;
 
 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
 	if (ras && ras->supported)
 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
 
-	dev_info(adev->dev, "GPU BACO reset\n");
-
-	if (is_support_sw_smu(adev)) {
-		struct smu_context *smu = &adev->smu;
-		int ret;
-
-		ret = smu_baco_enter(smu);
+	ret = amdgpu_dpm_baco_reset(adev);
 	if (ret)
 		return ret;
 
-		ret = smu_baco_exit(smu);
-		if (ret)
-			return ret;
-	} else {
-		void *pp_handle = adev->powerplay.pp_handle;
-		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
-		if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
-			return -ENOENT;
-
-		/* enter BACO state */
-		if (pp_funcs->set_asic_baco_state(pp_handle, 1))
-			return -EIO;
-
-		/* exit BACO state */
-		if (pp_funcs->set_asic_baco_state(pp_handle, 0))
-			return -EIO;
-	}
-
 	/* re-enable doorbell interrupt after BACO exit */
 	if (ras && ras->supported)
 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
@@ -543,17 +499,6 @@ static int soc15_asic_baco_reset(struct amdgpu_device *adev)
 	return 0;
 }
 
-static int soc15_mode2_reset(struct amdgpu_device *adev)
-{
-	if (is_support_sw_smu(adev))
-		return smu_mode2_reset(&adev->smu);
-	if (!adev->powerplay.pp_funcs ||
-	    !adev->powerplay.pp_funcs->asic_reset_mode_2)
-		return -ENOENT;
-
-	return adev->powerplay.pp_funcs->asic_reset_mode_2(adev->powerplay.pp_handle);
-}
-
 static enum amd_reset_method
 soc15_asic_reset_method(struct amdgpu_device *adev)
 {
@@ -567,11 +512,11 @@ soc15_asic_reset_method(struct amdgpu_device *adev)
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
 	case CHIP_ARCTURUS:
-		soc15_asic_get_baco_capability(adev, &baco_reset);
+		baco_reset = amdgpu_dpm_is_baco_supported(adev);
 		break;
 	case CHIP_VEGA20:
 		if (adev->psp.sos_fw_version >= 0x80067)
-			soc15_asic_get_baco_capability(adev, &baco_reset);
+			baco_reset = amdgpu_dpm_is_baco_supported(adev);
 
 		/*
 		 * 1. PMFW version > 0x284300: all cases use baco
@@ -598,7 +543,7 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
 				amdgpu_inc_vram_lost(adev);
 			return soc15_asic_baco_reset(adev);
 		case AMD_RESET_METHOD_MODE2:
-			return soc15_mode2_reset(adev);
+			return amdgpu_dpm_mode2_reset(adev);
 		default:
 			if (!adev->in_suspend)
 				amdgpu_inc_vram_lost(adev);
@@ -608,25 +553,18 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
 
 static bool soc15_supports_baco(struct amdgpu_device *adev)
 {
-	bool baco_support;
-
 	switch (adev->asic_type) {
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
 	case CHIP_ARCTURUS:
-		soc15_asic_get_baco_capability(adev, &baco_support);
-		break;
+		return amdgpu_dpm_is_baco_supported(adev);
 	case CHIP_VEGA20:
 		if (adev->psp.sos_fw_version >= 0x80067)
-			soc15_asic_get_baco_capability(adev, &baco_support);
-		else
-			baco_support = false;
-		break;
+			return amdgpu_dpm_is_baco_supported(adev);
+		return false;
 	default:
 		return false;
 	}
-
-	return baco_support;
 }
 
 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
@@ -846,7 +784,6 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 		if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
 			amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
-		if (is_support_sw_smu(adev))
 		amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);

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

@@ -689,40 +689,6 @@ static int vi_gpu_pci_config_reset(struct amdgpu_device *adev)
 	return -EINVAL;
 }
 
-int smu7_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap)
-{
-	void *pp_handle = adev->powerplay.pp_handle;
-	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
-	if (!pp_funcs || !pp_funcs->get_asic_baco_capability) {
-		*cap = false;
-		return -ENOENT;
-	}
-
-	return pp_funcs->get_asic_baco_capability(pp_handle, cap);
-}
-
-int smu7_asic_baco_reset(struct amdgpu_device *adev)
-{
-	void *pp_handle = adev->powerplay.pp_handle;
-	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-
-	if (!pp_funcs ||!pp_funcs->get_asic_baco_state ||!pp_funcs->set_asic_baco_state)
-		return -ENOENT;
-
-	/* enter BACO state */
-	if (pp_funcs->set_asic_baco_state(pp_handle, 1))
-		return -EIO;
-
-	/* exit BACO state */
-	if (pp_funcs->set_asic_baco_state(pp_handle, 0))
-		return -EIO;
-
-	dev_info(adev->dev, "GPU BACO reset\n");
-
-	return 0;
-}
-
 /**
  * vi_asic_pci_config_reset - soft reset GPU
  *
@@ -747,8 +713,6 @@ static int vi_asic_pci_config_reset(struct amdgpu_device *adev)
 
 static bool vi_asic_supports_baco(struct amdgpu_device *adev)
 {
-	bool baco_support;
-
 	switch (adev->asic_type) {
 	case CHIP_FIJI:
 	case CHIP_TONGA:
@@ -756,14 +720,10 @@ static bool vi_asic_supports_baco(struct amdgpu_device *adev)
 	case CHIP_POLARIS11:
 	case CHIP_POLARIS12:
 	case CHIP_TOPAZ:
-		smu7_asic_get_baco_capability(adev, &baco_support);
-		break;
+		return amdgpu_dpm_is_baco_supported(adev);
 	default:
-		baco_support = false;
-		break;
+		return false;
 	}
-
-	return baco_support;
 }
 
 static enum amd_reset_method
@@ -778,7 +738,7 @@ vi_asic_reset_method(struct amdgpu_device *adev)
 	case CHIP_POLARIS11:
 	case CHIP_POLARIS12:
 	case CHIP_TOPAZ:
-		smu7_asic_get_baco_capability(adev, &baco_reset);
+		baco_reset = amdgpu_dpm_is_baco_supported(adev);
 		break;
 	default:
 		baco_reset = false;
@@ -807,7 +767,7 @@ static int vi_asic_reset(struct amdgpu_device *adev)
 	if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
 		if (!adev->in_suspend)
 			amdgpu_inc_vram_lost(adev);
-		r = smu7_asic_baco_reset(adev);
+		r = amdgpu_dpm_baco_reset(adev);
 	} else {
 		r = vi_asic_pci_config_reset(adev);
 	}

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

@@ -31,7 +31,5 @@ void vi_srbm_select(struct amdgpu_device *adev,
 int vi_set_ip_blocks(struct amdgpu_device *adev);
 
 void legacy_doorbell_index_init(struct amdgpu_device *adev);
-int smu7_asic_get_baco_capability(struct amdgpu_device *adev, bool *cap);
-int smu7_asic_baco_reset(struct amdgpu_device *adev);
 
 #endif