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drm/amdgpu: Update RAS XGMI error inject sequence 

Disable XGMI link power down prior to issuing a XGMI RAS error

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
John Clements 2020-05-13 20:23:51 +08:00 committed by Alex Deucher
parent 5e7067b24f
commit 5c23e9e05e
1 changed files with 29 additions and 1 deletions
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30
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -811,6 +811,32 @@ int amdgpu_ras_error_query(struct amdgpu_device *adev,
return 0;
}
/* Trigger XGMI/WAFL error */
int amdgpu_ras_error_inject_xgmi(struct amdgpu_device *adev,
struct ta_ras_trigger_error_input *block_info)
{
int ret;
if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
dev_warn(adev->dev, "Failed to disallow df cstate");
if (amdgpu_dpm_allow_xgmi_power_down(adev, false))
dev_warn(adev->dev, "Failed to disallow XGMI power down");
ret = psp_ras_trigger_error(&adev->psp, block_info);
if (amdgpu_ras_intr_triggered())
return ret;
if (amdgpu_dpm_allow_xgmi_power_down(adev, true))
dev_warn(adev->dev, "Failed to allow XGMI power down");
if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
dev_warn(adev->dev, "Failed to allow df cstate");
return ret;
}
/* wrapper of psp_ras_trigger_error */
int amdgpu_ras_error_inject(struct amdgpu_device *adev,
struct ras_inject_if *info)
@ -844,10 +870,12 @@ int amdgpu_ras_error_inject(struct amdgpu_device *adev,
break;
case AMDGPU_RAS_BLOCK__UMC:
case AMDGPU_RAS_BLOCK__MMHUB:
case AMDGPU_RAS_BLOCK__XGMI_WAFL:
case AMDGPU_RAS_BLOCK__PCIE_BIF:
ret = psp_ras_trigger_error(&adev->psp, &block_info);
break;
case AMDGPU_RAS_BLOCK__XGMI_WAFL:
ret = amdgpu_ras_error_inject_xgmi(adev, &block_info);
break;
default:
dev_info(adev->dev, "%s error injection is not supported yet\n",
ras_block_str(info->head.block));