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drm/amdgpu: trigger flr_work if reading pf2vf data failed

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if reading pf2vf data failed 30 times continuously, it means something is
wrong. Need to trigger flr_work to recover the issue.

also use dev_err to print the error message to get which device has
issue and add warning message if waiting IDH_FLR_NOTIFICATION_CMPL
timeout.

Signed-off-by: Zhigang Luo <Zhigang.Luo@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Zhigang Luo
2024-02-29 16:04:35 -05:00
committed by Alex Deucher
parent dc5c3d48e9
commit ab66c83284
5 changed files with 41 additions and 10 deletions
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15
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -143,6 +143,8 @@ const char *amdgpu_asic_name[] = {
"LAST",
};
static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev);
/**
* DOC: pcie_replay_count
*
@@ -4968,6 +4970,8 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
retry:
amdgpu_amdkfd_pre_reset(adev);
amdgpu_device_stop_pending_resets(adev);
if (from_hypervisor)
r = amdgpu_virt_request_full_gpu(adev, true);
else
@@ -5708,11 +5712,12 @@ retry: /* Rest of adevs pre asic reset from XGMI hive. */
tmp_adev->asic_reset_res = r;
}
/*
* Drop all pending non scheduler resets. Scheduler resets
* were already dropped during drm_sched_stop
*/
amdgpu_device_stop_pending_resets(tmp_adev);
if (!amdgpu_sriov_vf(tmp_adev))
/*
* Drop all pending non scheduler resets. Scheduler resets
* were already dropped during drm_sched_stop
*/
amdgpu_device_stop_pending_resets(tmp_adev);
}
/* Actual ASIC resets if needed.*/