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drm/amdgpu: update RAS sequence to parse TA flags

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RAS TA shall notify driver with flags of error specifics

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 2020-04-30 17:12:26 +08:00 committed by Alex Deucher
parent a0d254820f
commit 439657970c
1 changed files with 28 additions and 1 deletions
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29
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
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@ -746,13 +746,40 @@ static int psp_ras_unload(struct psp_context *psp)
int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
{
struct ta_ras_shared_memory *ras_cmd;
int ret;
ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
/*
* TODO: bypass the loading in sriov for now
*/
if (amdgpu_sriov_vf(psp->adev))
return 0;
return psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
ret = psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
if (ras_cmd->if_version > RAS_TA_HOST_IF_VER)
{
DRM_WARN("RAS: Unsupported Interface");
return -EINVAL;
}
if (amdgpu_ras_intr_triggered())
return ret;
if (!ret) {
if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
dev_warn(psp->adev->dev, "ECC switch disabled\n");
ras_cmd->ras_status = TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE;
}
else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag)
dev_warn(psp->adev->dev,
"RAS internal register access blocked\n");
}
return ret;
}
int psp_ras_enable_features(struct psp_context *psp,