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	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>
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						5f38ac54e6
					
				
					 7 changed files with 94 additions and 15 deletions
				
			
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			@ -3962,13 +3962,23 @@ int amdgpu_device_init(struct amdgpu_device *adev,
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				}
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			}
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		} else {
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			tmp = amdgpu_reset_method;
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			/* It should do a default reset when loading or reloading the driver,
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			 * regardless of the module parameter reset_method.
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			 */
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			amdgpu_reset_method = AMD_RESET_METHOD_NONE;
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			r = amdgpu_asic_reset(adev);
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			amdgpu_reset_method = tmp;
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			switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
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			case IP_VERSION(13, 0, 0):
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			case IP_VERSION(13, 0, 7):
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			case IP_VERSION(13, 0, 10):
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				r = psp_gpu_reset(adev);
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				break;
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			default:
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				tmp = amdgpu_reset_method;
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				/* It should do a default reset when loading or reloading the driver,
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				 * regardless of the module parameter reset_method.
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				 */
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				amdgpu_reset_method = AMD_RESET_METHOD_NONE;
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				r = amdgpu_asic_reset(adev);
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				amdgpu_reset_method = tmp;
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				break;
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			}
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			if (r) {
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				dev_err(adev->dev, "asic reset on init failed\n");
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				goto failed;
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			@ -733,7 +733,7 @@ static int smu_early_init(void *handle)
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	smu->adev = adev;
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	smu->pm_enabled = !!amdgpu_dpm;
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	smu->is_apu = false;
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	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
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	smu->smu_baco.state = SMU_BACO_STATE_NONE;
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	smu->smu_baco.platform_support = false;
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	smu->user_dpm_profile.fan_mode = -1;
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			@ -1742,10 +1742,31 @@ static int smu_smc_hw_cleanup(struct smu_context *smu)
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	return 0;
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}
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static int smu_reset_mp1_state(struct smu_context *smu)
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{
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	struct amdgpu_device *adev = smu->adev;
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	int ret = 0;
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	if ((!adev->in_runpm) && (!adev->in_suspend) &&
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		(!amdgpu_in_reset(adev)))
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		switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
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		case IP_VERSION(13, 0, 0):
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		case IP_VERSION(13, 0, 7):
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		case IP_VERSION(13, 0, 10):
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			ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
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			break;
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		default:
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			break;
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		}
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	return ret;
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}
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static int smu_hw_fini(void *handle)
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{
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	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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	struct smu_context *smu = adev->powerplay.pp_handle;
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	int ret;
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	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
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		return 0;
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			@ -1763,7 +1784,15 @@ static int smu_hw_fini(void *handle)
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	adev->pm.dpm_enabled = false;
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	return smu_smc_hw_cleanup(smu);
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	ret = smu_smc_hw_cleanup(smu);
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	if (ret)
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		return ret;
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	ret = smu_reset_mp1_state(smu);
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	if (ret)
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		return ret;
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	return 0;
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}
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static void smu_late_fini(void *handle)
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			@ -419,6 +419,7 @@ enum smu_reset_mode {
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enum smu_baco_state {
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	SMU_BACO_STATE_ENTER = 0,
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	SMU_BACO_STATE_EXIT,
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	SMU_BACO_STATE_NONE,
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};
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struct smu_baco_context {
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			@ -299,5 +299,7 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
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				     uint8_t pcie_gen_cap,
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				     uint8_t pcie_width_cap);
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int smu_v13_0_disable_pmfw_state(struct smu_context *smu);
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#endif
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#endif
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			@ -2477,3 +2477,16 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
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	return 0;
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}
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int smu_v13_0_disable_pmfw_state(struct smu_context *smu)
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{
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	int ret;
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	struct amdgpu_device *adev = smu->adev;
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	WREG32_PCIE(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff), 0);
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	ret = RREG32_PCIE(MP1_Public |
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					   (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
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	return ret == 0 ? 0 : -EINVAL;
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}
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			@ -2602,14 +2602,20 @@ static int smu_v13_0_0_baco_enter(struct smu_context *smu)
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static int smu_v13_0_0_baco_exit(struct smu_context *smu)
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{
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	struct amdgpu_device *adev = smu->adev;
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	int ret;
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	if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
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		/* Wait for PMFW handling for the Dstate change */
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		usleep_range(10000, 11000);
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		return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
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		ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
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	} else {
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		return smu_v13_0_baco_exit(smu);
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		ret = smu_v13_0_baco_exit(smu);
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	}
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	if (!ret)
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		adev->gfx.is_poweron = false;
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	return ret;
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}
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static bool smu_v13_0_0_is_mode1_reset_supported(struct smu_context *smu)
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			@ -2794,7 +2800,13 @@ static int smu_v13_0_0_set_mp1_state(struct smu_context *smu,
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	switch (mp1_state) {
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	case PP_MP1_STATE_UNLOAD:
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		ret = smu_cmn_set_mp1_state(smu, mp1_state);
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		ret = smu_cmn_send_smc_msg_with_param(smu,
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											  SMU_MSG_PrepareMp1ForUnload,
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											  0x55, NULL);
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		if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
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			ret = smu_v13_0_disable_pmfw_state(smu);
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		break;
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	default:
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		/* Ignore others */
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			@ -2498,7 +2498,13 @@ static int smu_v13_0_7_set_mp1_state(struct smu_context *smu,
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	switch (mp1_state) {
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	case PP_MP1_STATE_UNLOAD:
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		ret = smu_cmn_set_mp1_state(smu, mp1_state);
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		ret = smu_cmn_send_smc_msg_with_param(smu,
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											  SMU_MSG_PrepareMp1ForUnload,
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											  0x55, NULL);
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		if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
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			ret = smu_v13_0_disable_pmfw_state(smu);
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		break;
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	default:
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		/* Ignore others */
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			@ -2524,14 +2530,20 @@ static int smu_v13_0_7_baco_enter(struct smu_context *smu)
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static int smu_v13_0_7_baco_exit(struct smu_context *smu)
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{
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	struct amdgpu_device *adev = smu->adev;
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	int ret;
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	if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
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		/* Wait for PMFW handling for the Dstate change */
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		usleep_range(10000, 11000);
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		return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
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		ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
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	} else {
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		return smu_v13_0_baco_exit(smu);
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		ret = smu_v13_0_baco_exit(smu);
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	}
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	if (!ret)
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		adev->gfx.is_poweron = false;
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	return ret;
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}
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static bool smu_v13_0_7_is_mode1_reset_supported(struct smu_context *smu)
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