drm/amd/pm: fix the high voltage and temperature issue

fix the high voltage and temperature issue after the driver is unloaded on smu 13.0.0,
smu 13.0.7 and smu 13.0.10
v2 - fix the code format and make sure it is used on the unload case only.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -3962,6 +3962,13 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 				}
 			}
 		} else {
+			switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
+			case IP_VERSION(13, 0, 0):
+			case IP_VERSION(13, 0, 7):
+			case IP_VERSION(13, 0, 10):
+				r = psp_gpu_reset(adev);
+				break;
+			default:
 				tmp = amdgpu_reset_method;
 				/* It should do a default reset when loading or reloading the driver,
 				 * regardless of the module parameter reset_method.
@@ -3969,6 +3976,9 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 				amdgpu_reset_method = AMD_RESET_METHOD_NONE;
 				r = amdgpu_asic_reset(adev);
 				amdgpu_reset_method = tmp;
+				break;
+			}
+
 			if (r) {
 				dev_err(adev->dev, "asic reset on init failed\n");
 				goto failed;

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

@@ -733,7 +733,7 @@ static int smu_early_init(void *handle)
 	smu->adev = adev;
 	smu->pm_enabled = !!amdgpu_dpm;
 	smu->is_apu = false;
-	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
+	smu->smu_baco.state = SMU_BACO_STATE_NONE;
 	smu->smu_baco.platform_support = false;
 	smu->user_dpm_profile.fan_mode = -1;
 
@@ -1742,10 +1742,31 @@ static int smu_smc_hw_cleanup(struct smu_context *smu)
 	return 0;
 }
 
+static int smu_reset_mp1_state(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+	int ret = 0;
+
+	if ((!adev->in_runpm) && (!adev->in_suspend) &&
+		(!amdgpu_in_reset(adev)))
+		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
+		case IP_VERSION(13, 0, 0):
+		case IP_VERSION(13, 0, 7):
+		case IP_VERSION(13, 0, 10):
+			ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
+			break;
+		default:
+			break;
+		}
+
+	return ret;
+}
+
 static int smu_hw_fini(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	struct smu_context *smu = adev->powerplay.pp_handle;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
@@ -1763,7 +1784,15 @@ static int smu_hw_fini(void *handle)
 
 	adev->pm.dpm_enabled = false;
 
-	return smu_smc_hw_cleanup(smu);
+	ret = smu_smc_hw_cleanup(smu);
+	if (ret)
+		return ret;
+
+	ret = smu_reset_mp1_state(smu);
+	if (ret)
+		return ret;
+
+	return 0;
 }
 
 static void smu_late_fini(void *handle)

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

@@ -419,6 +419,7 @@ enum smu_reset_mode {
 enum smu_baco_state {
 	SMU_BACO_STATE_ENTER = 0,
 	SMU_BACO_STATE_EXIT,
+	SMU_BACO_STATE_NONE,
 };
 
 struct smu_baco_context {

drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h

@@ -299,5 +299,7 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
 				     uint8_t pcie_gen_cap,
 				     uint8_t pcie_width_cap);
 
+int smu_v13_0_disable_pmfw_state(struct smu_context *smu);
+
 #endif
 #endif

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -2477,3 +2477,16 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
 
 	return 0;
 }
+
+int smu_v13_0_disable_pmfw_state(struct smu_context *smu)
+{
+	int ret;
+	struct amdgpu_device *adev = smu->adev;
+
+	WREG32_PCIE(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff), 0);
+
+	ret = RREG32_PCIE(MP1_Public |
+					   (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
+
+	return ret == 0 ? 0 : -EINVAL;
+}

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c

@@ -2602,14 +2602,20 @@ static int smu_v13_0_0_baco_enter(struct smu_context *smu)
 static int smu_v13_0_0_baco_exit(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
+	int ret;
 
 	if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
 		/* Wait for PMFW handling for the Dstate change */
 		usleep_range(10000, 11000);
-		return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
+		ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
 	} else {
-		return smu_v13_0_baco_exit(smu);
+		ret = smu_v13_0_baco_exit(smu);
 	}
+
+	if (!ret)
+		adev->gfx.is_poweron = false;
+
+	return ret;
 }
 
 static bool smu_v13_0_0_is_mode1_reset_supported(struct smu_context *smu)
@@ -2794,7 +2800,13 @@ static int smu_v13_0_0_set_mp1_state(struct smu_context *smu,
 
 	switch (mp1_state) {
 	case PP_MP1_STATE_UNLOAD:
-		ret = smu_cmn_set_mp1_state(smu, mp1_state);
+		ret = smu_cmn_send_smc_msg_with_param(smu,
+											  SMU_MSG_PrepareMp1ForUnload,
+											  0x55, NULL);
+
+		if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
+			ret = smu_v13_0_disable_pmfw_state(smu);
+
 		break;
 	default:
 		/* Ignore others */

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

@@ -2498,7 +2498,13 @@ static int smu_v13_0_7_set_mp1_state(struct smu_context *smu,
 
 	switch (mp1_state) {
 	case PP_MP1_STATE_UNLOAD:
-		ret = smu_cmn_set_mp1_state(smu, mp1_state);
+		ret = smu_cmn_send_smc_msg_with_param(smu,
+											  SMU_MSG_PrepareMp1ForUnload,
+											  0x55, NULL);
+
+		if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
+			ret = smu_v13_0_disable_pmfw_state(smu);
+
 		break;
 	default:
 		/* Ignore others */
@@ -2524,14 +2530,20 @@ static int smu_v13_0_7_baco_enter(struct smu_context *smu)
 static int smu_v13_0_7_baco_exit(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
+	int ret;
 
 	if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
 		/* Wait for PMFW handling for the Dstate change */
 		usleep_range(10000, 11000);
-		return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
+		ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
 	} else {
-		return smu_v13_0_baco_exit(smu);
+		ret = smu_v13_0_baco_exit(smu);
 	}
+
+	if (!ret)
+		adev->gfx.is_poweron = false;
+
+	return ret;
 }
 
 static bool smu_v13_0_7_is_mode1_reset_supported(struct smu_context *smu)